Web Front-endHTML TutorialHTML basics (2) forms, image hotspots, web page partitioning and splicing
1. Form
1. Text input
Text box
Note: Setting the value above means setting the default value
Password box
Text area
Hidden field
2. Button
Submit button Click to go to the address of the submission server in the form
Note: The value set above represents the text displayed above during runtime.
Reset button
Ordinary button
Image button
Attachment:
Disabled makes the button invalid; enable makes it available.
3. Select input
Radio button group The value of name is used for grouping; the value value is invisible and is submitted to the program; checked, set default options.
Note: The radio button group cannot be canceled after being selected.
Checkbox group
Note: checked="checked" means it is checked as soon as it comes up, and the check box can be selected and cancelled.
File upload
The label element does not present any special effects to the user. However, it improves usability for mouse users. This control is triggered if you click on the text inside the label element. That is to say, when the user selects the label, the browser will automatically turn the focus to the form control related to the label.
& lt; label & gt; The fors of the label should be the same as the ID attribute of the relevant element.
Drop-down list box
& lt; option value = "value" selectd = "select" & gt; Content 2 & lt;/option & gt;-selected, set as the default
In summary, the HTML program displays:
The running result shows: Example analysis: Make mailbox interface program display The running result shows: 2. Picture hotspots Plan an area on the picture, you can make a hyperlink, and directly click on the picture area to complete the jump effect. Example: Design interface: When running the rectangular and circular areas, the mouse will turn into a small hand shape, indicating that there is a link. 3. Web page partitioning and splicing Dividing: In a web page, plan an area to display the content of another web page. Example: Splicing: Within a network page, multiple page windows are planned and displayed in the form of table splicing. (You can imagine the surveillance screen, with multiple screens displayed at the same time) Example: 
<span style="color: #008080;"> 1</span> <span style="color: #0000ff;"><span style="color: #ff00ff;">DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 2</span> <span style="color: #0000ff;"><span style="color: #800000;">html </span><span style="color: #ff0000;">xmlns</span><span style="color: #0000ff;">="http://www.w3.org/1999/xhtml"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 3</span> <span style="color: #0000ff;"><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 4</span> <span style="color: #0000ff;"><span style="color: #800000;">meta </span><span style="color: #ff0000;">http-equiv</span><span style="color: #0000ff;">="Content-Type"</span><span style="color: #ff0000;"> content</span><span style="color: #0000ff;">="text/html; charset=utf-8"</span> <span style="color: #0000ff;">/></span>
<span style="color: #008080;"> 5</span> <span style="color: #0000ff;"><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>无标题文档<span style="color: #0000ff;"></span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 6</span> <span style="color: #0000ff;"></span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 7</span>
<span style="color: #008080;"> 8</span> <span style="color: #0000ff;"><span style="color: #800000;">body </span><span style="color: #ff0000;">background</span><span style="color: #0000ff;">="22.jpg"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 9</span> <span style="color: #0000ff;"><span style="color: #800000;">form</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">10</span> 账号：<span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text"</span><span style="color: #ff0000;"> value</span><span style="color: #0000ff;">="12345"</span><span style="color: #ff0000;"> disabled</span><span style="color: #0000ff;">="disabled"</span> <span style="color: #0000ff;">/><span style="color: #800000;">br </span><span style="color: #0000ff;">/><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span>
<span style="color: #008080;">11</span> 密码：<span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="password"</span> <span style="color: #0000ff;">/><span style="color: #800000;">br </span><span style="color: #0000ff;">/><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span>
<span style="color: #008080;">12</span> 说说：<span style="color: #0000ff;"><span style="color: #800000;">textarea </span><span style="color: #ff0000;">cols</span><span style="color: #0000ff;">="140"</span><span style="color: #ff0000;"> rows</span><span style="color: #0000ff;">="8"</span><span style="color: #0000ff;">></span><span style="color: #800000;">textarea</span><span style="color: #0000ff;">><span style="color: #800000;">br </span><span style="color: #0000ff;">/><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span>
<span style="color: #008080;">13</span> 请问：中华人民共和国成立于那一年？<span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text"</span> <span style="color: #0000ff;">/></span>
<span style="color: #008080;">14</span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="submit"</span><span style="color: #ff0000;"> value</span><span style="color: #0000ff;">="提交"</span> <span style="color: #0000ff;">/></span>
<span style="color: #008080;">15</span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="hidden"</span><span style="color: #ff0000;"> value</span><span style="color: #0000ff;">="1949"</span> <span style="color: #0000ff;">/></span>
<span style="color: #008080;">16</span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="reset"</span> <span style="color: #0000ff;">/><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span>
<span style="color: #008080;">17</span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="button"</span><span style="color: #ff0000;"> value</span><span style="color: #0000ff;">="登录"</span> <span style="color: #0000ff;">/><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span>
<span style="color: #008080;">18</span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="image"</span><span style="color: #ff0000;"> src</span><span style="color: #0000ff;">="55.jpg"</span> <span style="color: #0000ff;">/><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span>
<span style="color: #008080;">19</span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="radio"</span><span style="color: #ff0000;"> name</span><span style="color: #0000ff;">="sex"</span> <span style="color: #0000ff;">/></span>男<span style="color: #0000ff;"><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span>
<span style="color: #008080;">20</span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="radio"</span><span style="color: #ff0000;"> name</span><span style="color: #0000ff;">="sex"</span> <span style="color: #0000ff;">/></span>女<span style="color: #0000ff;"><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span>
<span style="color: #008080;">21</span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="checkbox"</span><span style="color: #ff0000;"> checked</span><span style="color: #0000ff;">="checked"</span> <span style="color: #0000ff;">/></span>可乐<span style="color: #0000ff;"><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span>
<span style="color: #008080;">22</span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="checkbox"</span> <span style="color: #0000ff;">/></span>鸡腿<span style="color: #0000ff;"><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span>
<span style="color: #008080;">23</span> <span style="color: #0000ff;"><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="file"</span> <span style="color: #0000ff;">/><span style="color: #800000;">br </span><span style="color: #0000ff;">/><span style="color: #800000;">br </span><span style="color: #0000ff;">/></span>
<span style="color: #008080;">24</span> <span style="color: #0000ff;"><span style="color: #800000;">select </span><span style="color: #ff0000;">size</span><span style="color: #0000ff;">="1"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">25</span> <span style="color: #0000ff;"><span style="color: #800000;">option </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="11"</span><span style="color: #0000ff;">></span>可口可乐<span style="color: #0000ff;"></span><span style="color: #800000;">option</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">26</span> <span style="color: #0000ff;"><span style="color: #800000;">option </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="22"</span><span style="color: #0000ff;">></span>雪碧<span style="color: #0000ff;"></span><span style="color: #800000;">option</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">27</span> <span style="color: #0000ff;"><span style="color: #800000;">option </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="33"</span><span style="color: #ff0000;"> selected</span><span style="color: #0000ff;">="selected"</span><span style="color: #0000ff;">></span>芬达<span style="color: #0000ff;"></span><span style="color: #800000;">option</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">28</span> <span style="color: #0000ff;"></span><span style="color: #800000;">select</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">29</span> <span style="color: #0000ff;"></span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">30</span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">31</span> <span style="color: #0000ff;"></span><span style="color: #800000;">html</span><span style="color: #0000ff;">></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
<span style="color: #008080;"> 1</span> <span style="color: #0000ff;"><span style="color: #ff00ff;">DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 2</span> <span style="color: #0000ff;"><span style="color: #800000;">html </span><span style="color: #ff0000;">xmlns</span><span style="color: #0000ff;">="http://www.w3.org/1999/xhtml"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 3</span> <span style="color: #0000ff;"><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 4</span> <span style="color: #0000ff;"><span style="color: #800000;">meta </span><span style="color: #ff0000;">http-equiv</span><span style="color: #0000ff;">="Content-Type"</span><span style="color: #ff0000;"> content</span><span style="color: #0000ff;">="text/html; charset=utf-8"</span> <span style="color: #0000ff;">/></span>
<span style="color: #008080;"> 5</span> <span style="color: #0000ff;"><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>无标题文档<span style="color: #0000ff;"></span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 6</span> <span style="color: #0000ff;"></span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 7</span>
<span style="color: #008080;"> 8</span> <span style="color: #0000ff;"><span style="color: #800000;">body </span><span style="color: #ff0000;">background</span><span style="color: #0000ff;">="11.jpg"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 9</span> <span style="color: #0000ff;"><span style="color: #800000;">font </span><span style="color: #ff0000;">face</span><span style="color: #0000ff;">="华文隶书"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">10</span> <span style="color: #0000ff;"><span style="color: #800000;">table </span><span style="color: #ff0000;">align</span><span style="color: #0000ff;">="center"</span><span style="color: #ff0000;"> width</span><span style="color: #0000ff;">="600"</span><span style="color: #ff0000;"> height</span><span style="color: #0000ff;">="600"</span><span style="color: #ff0000;"> border</span><span style="color: #0000ff;">="1"</span><span style="color: #ff0000;"> cellpadding</span><span style="color: #0000ff;">="0"</span><span style="color: #ff0000;"> cellspacing</span><span style="color: #0000ff;">="0"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">11</span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">12</span> <span style="color: #0000ff;"><span style="color: #800000;">td </span><span style="color: #ff0000;">width</span><span style="color: #0000ff;">="150"</span><span style="color: #0000ff;">></span><span style="color: #ff0000;"> </span>邮箱：<span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">13</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">form</span><span style="color: #0000ff;">><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text"</span> <span style="color: #0000ff;">/></span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">14</span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">15</span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">16</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">17</span> <span style="color: #0000ff;"><span style="color: #800000;">td </span><span style="color: #ff0000;">valign</span><span style="color: #0000ff;">="middle"</span><span style="color: #0000ff;">><span style="color: #800000;">font </span><span style="color: #ff0000;">color</span><span style="color: #0000ff;">="#999999"</span><span style="color: #0000ff;">></span>需要通过邮箱激活账户，不支持sohu，21cn，sogou的邮箱<span style="color: #0000ff;"></span><span style="color: #800000;">font</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">18</span>
<span style="color: #008080;">19</span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">20</span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">21</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span><span style="color: #ff0000;"> </span>登录用户名：<span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">22</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">form</span><span style="color: #0000ff;">><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text"</span> <span style="color: #0000ff;">/></span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">23</span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">24</span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">25</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">26</span> <span style="color: #0000ff;"><span style="color: #800000;">td </span><span style="color: #ff0000;">valign</span><span style="color: #0000ff;">="middle"</span><span style="color: #0000ff;">><span style="color: #800000;">font </span><span style="color: #ff0000;">color</span><span style="color: #0000ff;">="#999999"</span><span style="color: #0000ff;">></span>仅在登录时使用，字符数不少于4个<span style="color: #0000ff;"></span><span style="color: #800000;">font</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">27</span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">28</span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">29</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span><span style="color: #ff0000;"> </span>显示名称：<span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">30</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">form</span><span style="color: #0000ff;">><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="text"</span> <span style="color: #0000ff;">/></span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">31</span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">32</span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">33</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">34</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">font </span><span style="color: #ff0000;">color</span><span style="color: #0000ff;">="#999999"</span><span style="color: #0000ff;">></span>即昵称，字符数不少于2个<span style="color: #0000ff;"></span><span style="color: #800000;">font</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">35</span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">36</span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">37</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span><span style="color: #ff0000;"> </span>密码：<span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">38</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">form</span><span style="color: #0000ff;">><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="password"</span> <span style="color: #0000ff;">/></span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">39</span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">40</span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">41</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span><span style="color: #ff0000;"> </span>确认密码：<span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">42</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">form</span><span style="color: #0000ff;">><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="password"</span> <span style="color: #0000ff;">/></span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">43</span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">44</span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">45</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">46</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">font </span><span style="color: #ff0000;">color</span><span style="color: #0000ff;">="#999999"</span><span style="color: #0000ff;">></span>至少8位，必须包含字母、数字、特殊字符<span style="color: #0000ff;"></span><span style="color: #800000;">font</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">47</span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">48</span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">49</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span><span style="color: #ff0000;"> </span>性别：<span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">50</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">form</span><span style="color: #0000ff;">><span style="color: #800000;">select </span><span style="color: #ff0000;">size</span><span style="color: #0000ff;">="1"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">51</span> <span style="color: #0000ff;"><span style="color: #800000;">option </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="1"</span><span style="color: #ff0000;"> selected</span><span style="color: #0000ff;">="selected"</span><span style="color: #0000ff;">></span>男<span style="color: #0000ff;"></span><span style="color: #800000;">option</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">52</span> <span style="color: #0000ff;"><span style="color: #800000;">option </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="2"</span><span style="color: #0000ff;">></span>女<span style="color: #0000ff;"></span><span style="color: #800000;">option</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">53</span> <span style="color: #0000ff;"></span><span style="color: #800000;">select</span><span style="color: #0000ff;">></span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">54</span> <span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">55</span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">56</span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">57</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span><span style="color: #ff0000;"> </span>喜好：<span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">58</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">form</span><span style="color: #0000ff;">><span style="color: #800000;">select </span><span style="color: #ff0000;">size</span><span style="color: #0000ff;">="1"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">59</span> <span style="color: #0000ff;"><span style="color: #800000;">option </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="1"</span><span style="color: #0000ff;">></span>打游戏<span style="color: #0000ff;"></span><span style="color: #800000;">option</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">60</span> <span style="color: #0000ff;"><span style="color: #800000;">option </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="2"</span><span style="color: #0000ff;">></span>打篮球<span style="color: #0000ff;"></span><span style="color: #800000;">option</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">61</span> <span style="color: #0000ff;"><span style="color: #800000;">option </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="3"</span><span style="color: #0000ff;">></span>看电影<span style="color: #0000ff;"></span><span style="color: #800000;">option</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">62</span> <span style="color: #0000ff;"><span style="color: #800000;">option </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="4"</span><span style="color: #ff0000;"> selected</span><span style="color: #0000ff;">="selected"</span><span style="color: #0000ff;">></span>听音乐<span style="color: #0000ff;"></span><span style="color: #800000;">option</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">63</span> <span style="color: #0000ff;"><span style="color: #800000;">option </span><span style="color: #ff0000;">value</span><span style="color: #0000ff;">="5"</span><span style="color: #0000ff;">></span>旅游<span style="color: #0000ff;"></span><span style="color: #800000;">option</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">64</span> <span style="color: #0000ff;"></span><span style="color: #800000;">select</span><span style="color: #0000ff;">></span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">65</span> <span style="color: #0000ff;"></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">66</span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">67</span> <span style="color: #0000ff;"><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">68</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">69</span> <span style="color: #0000ff;"><span style="color: #800000;">td</span><span style="color: #0000ff;">><span style="color: #800000;">form</span><span style="color: #0000ff;">><span style="color: #800000;">input </span><span style="color: #ff0000;">type</span><span style="color: #0000ff;">="submit"</span><span style="color: #ff0000;"> value</span><span style="color: #0000ff;">="注册"</span> <span style="color: #0000ff;">/></span><span style="color: #800000;">form</span><span style="color: #0000ff;">></span><span style="color: #800000;">td</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">70</span> <span style="color: #0000ff;"></span><span style="color: #800000;">tr</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">71</span>
<span style="color: #008080;">72</span> <span style="color: #0000ff;"></span><span style="color: #800000;">table</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">73</span> <span style="color: #0000ff;"></span><span style="color: #800000;">font</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">74</span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">75</span> <span style="color: #0000ff;"></span><span style="color: #800000;">html</span><span style="color: #0000ff;">></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span>
<span style="color: #008080;"> 1</span> <span style="color: #0000ff;"><span style="color: #ff00ff;">DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 2</span> <span style="color: #0000ff;"><span style="color: #800000;">html </span><span style="color: #ff0000;">xmlns</span><span style="color: #0000ff;">="http://www.w3.org/1999/xhtml"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 3</span> <span style="color: #0000ff;"><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 4</span> <span style="color: #0000ff;"><span style="color: #800000;">meta </span><span style="color: #ff0000;">http-equiv</span><span style="color: #0000ff;">="Content-Type"</span><span style="color: #ff0000;"> content</span><span style="color: #0000ff;">="text/html; charset=utf-8"</span> <span style="color: #0000ff;">/></span>
<span style="color: #008080;"> 5</span> <span style="color: #0000ff;"><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>无标题文档<span style="color: #0000ff;"></span><span style="color: #800000;">title</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 6</span> <span style="color: #0000ff;"></span><span style="color: #800000;">head</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 7</span>
<span style="color: #008080;"> 8</span> <span style="color: #0000ff;"><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #008080;"> 9</span> <span style="color: #0000ff;"><span style="color: #800000;">img </span><span style="color: #ff0000;">src</span><span style="color: #0000ff;">="a006.jpg"</span><span style="color: #ff0000;"> usemap</span><span style="color: #0000ff;">="ditu"</span> <span style="color: #0000ff;">/></span>
<span style="color: #008080;">10</span> <span style="color: #0000ff;"><span style="color: #800000;">map </span><span style="color: #ff0000;">name</span><span style="color: #0000ff;">="ditu"</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">11</span> <span style="color: #0000ff;"><span style="color: #800000;">area </span><span style="color: #ff0000;">shape</span><span style="color: #0000ff;">="rect"</span><span style="color: #ff0000;"> coords</span><span style="color: #0000ff;">="0,0,50,50"</span><span style="color: #ff0000;"> href</span><span style="color: #0000ff;">="http://www.baidu.com"</span> <span style="color: #0000ff;">/></span>
<span style="color: #008080;">12</span> <span style="color: #0000ff;"><span style="color: #800000;">area </span><span style="color: #ff0000;">shape</span><span style="color: #0000ff;">="circle"</span><span style="color: #ff0000;"> coords</span><span style="color: #0000ff;">="265,118,80"</span><span style="color: #ff0000;"> href</span><span style="color: #0000ff;">="http://qq.com"</span> <span style="color: #0000ff;">/></span>
<span style="color: #008080;">13</span> <span style="color: #0000ff;"></span><span style="color: #800000;">map</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">14</span> <span style="color: #0000ff;"></span><span style="color: #800000;">body</span><span style="color: #0000ff;">></span>
<span style="color: #008080;">15</span> <span style="color: #0000ff;"></span><span style="color: #800000;">html</span><span style="color: #0000ff;">></span></span></span></span></span></span></span></span></span></span></span>
From Text to Websites: The Power of HTMLApr 13, 2025 am 12:07 AMHTML is a language used to build web pages, defining web page structure and content through tags and attributes. 1) HTML organizes document structure through tags, such as,. 2) The browser parses HTML to build the DOM and renders the web page. 3) New features of HTML5, such as, enhance multimedia functions. 4) Common errors include unclosed labels and unquoted attribute values. 5) Optimization suggestions include using semantic tags and reducing file size.
Understanding HTML, CSS, and JavaScript: A Beginner's GuideApr 12, 2025 am 12:02 AMWebdevelopmentreliesonHTML,CSS,andJavaScript:1)HTMLstructurescontent,2)CSSstylesit,and3)JavaScriptaddsinteractivity,formingthebasisofmodernwebexperiences.
The Role of HTML: Structuring Web ContentApr 11, 2025 am 12:12 AMThe role of HTML is to define the structure and content of a web page through tags and attributes. 1. HTML organizes content through tags such as , making it easy to read and understand. 2. Use semantic tags such as, etc. to enhance accessibility and SEO. 3. Optimizing HTML code can improve web page loading speed and user experience.
HTML and Code: A Closer Look at the TerminologyApr 10, 2025 am 09:28 AMHTMLisaspecifictypeofcodefocusedonstructuringwebcontent,while"code"broadlyincludeslanguageslikeJavaScriptandPythonforfunctionality.1)HTMLdefineswebpagestructureusingtags.2)"Code"encompassesawiderrangeoflanguagesforlogicandinteract
HTML, CSS, and JavaScript: Essential Tools for Web DevelopersApr 09, 2025 am 12:12 AMHTML, CSS and JavaScript are the three pillars of web development. 1. HTML defines the web page structure and uses tags such as, etc. 2. CSS controls the web page style, using selectors and attributes such as color, font-size, etc. 3. JavaScript realizes dynamic effects and interaction, through event monitoring and DOM operations.
The Roles of HTML, CSS, and JavaScript: Core ResponsibilitiesApr 08, 2025 pm 07:05 PMHTML defines the web structure, CSS is responsible for style and layout, and JavaScript gives dynamic interaction. The three perform their duties in web development and jointly build a colorful website.
Is HTML easy to learn for beginners?Apr 07, 2025 am 12:11 AMHTML is suitable for beginners because it is simple and easy to learn and can quickly see results. 1) The learning curve of HTML is smooth and easy to get started. 2) Just master the basic tags to start creating web pages. 3) High flexibility and can be used in combination with CSS and JavaScript. 4) Rich learning resources and modern tools support the learning process.
What is an example of a starting tag in HTML?Apr 06, 2025 am 12:04 AMAnexampleofastartingtaginHTMLis,whichbeginsaparagraph.StartingtagsareessentialinHTMLastheyinitiateelements,definetheirtypes,andarecrucialforstructuringwebpagesandconstructingtheDOM.
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