1. represents keywords and product names
HTML5
Explanation: The actual function of the element is to make it bold. From a semantic point of view, it means marking a piece of text, but not particularly emphasizing its importance.
##HTML5
Explanation : The actual function of the element is the same as , which is to make it bold. From a semantic point of view, it means emphasizing an important text.
##3.
Force newline
Thisabc
at any text position will be wrapped. When the English word is too long, using
Explanation: The actual function of the element is to tilt. From a semantic point of view, it means to distinguish the surrounding content, which is not particularly emphasized or important.
#5, < ;em>To emphasize
HTML5
Explanation: < The actual function of the ;s> element is to strike through. From a semantic point of view, it means inaccurate deletion
##7. means deletion of text
HTML5 Element
Explanation: The actual function of the element is the same as , which is a strikethrough. From a semantic point of view, it means to delete text
HTML5
Explanation:
##9. Add a piece of textHTML5
Explanation: The element has the same function as . Adding an underline means adding a paragraph of text from a semantic point of view, which plays a role of emphasis.
##11, Add subscriptAdd superscript
5 sub>
5
Explanation: The actual functions of the and elements are subscripts and superscripts in mathematics
12. Indicates input and output
HTML5
HTML5> ;
HTML5
represents a computer code fragment, represents a variable in a coding language. <samp> represents the output of a program or computer: <kdb> represents the user's input. Since this is in the English category, lang='en' must be used to reflect the effect<p></p>
<p></p> <p>13. <abbr> represents an abbreviation </abbr></p>
<p></p>
<abbr>HTML5</abbr><p></p>Explanation: The <abbr> element has no practical effect, from a semantic point of view It is the abbreviation of a piece of text <p><br></p>
<p><br>14. <dfn> indicates the definition term</dfn></p>
<p></p> <dfn>HTML5</dfn> <p> </p>Explanation: The <dfn> element is a general slant. From a semantic point of view, it means a piece of text that explains a word or phrase.<p><br></p>
<p><br>##15. <q>Quoting content from elsewhere</q></p>
<p> <q>HTML5</q> </p>
<p>Explanation: The actual function of the <q> element is to add a pair of double quotes, from the semantics Seen above, it means quoting content from other parties. <br></q></p>
<p><br></p>
<p></p>##16. <cite>Citing titles of other works<p></p>
<cite>HTML5</cite> <p></p>Explanation: The actual function of the <cite> element is to make it bold. From a semantic point of view, it indicates the title of citing other works <p><br></p>
<p>##17, <ruby elements></ruby></p>
<ruby><p></p>
<p> 饕<rp>(</rp><rt>tao</rt>)</p>
<p> 餮<rp>(</rp>> ;<rt>tie</rt>)</p>
<p></p></ruby><p>Explanation: <ruby> is used for non-Western languages provide support. <rp><rt>It is used to help readers master the correct pronunciation of ideographic language characters, for example: </rt></rp></ruby></p>
<p> Hanyu Pinyin is above the text, but Muqiao FireFox does not support <br></p>
<p><br></p>
<p>18. <bdo>Set text direction</bdo></p>
<p><bdo dir="rt1">HTML5</bdo> </p>
<p>Explanation: <bdo> You must use the attribute dir to set it. There are two values in total, rtl from left to right, and ltr (from left to left). The general setting is ltr, and there is also a <bdi> element that also handles direction. Since it is a special effect in a special language and is not supported by mainstream browsers, ignore</bdi></bdo></p>
<p><br></p>
<p>19 and <mark>highlight text</mark></p>
<p><mark></mark></p>
<p>Explanation: The actual function of <mark> is to add a yellow background and black words. From a semantic point of view, it is context-related and prominent text. Used for notation </mark></p>
<p><br></p>
<p>20, <time> represents date and time<br></time></p>
<p><time>207-2-12</time> <br></p>
<p>Explanation: The <time> element has no practical effect and semantically represents date and time. </time></p>
<p><br></p>
<p>21, <span> represents General text<br></span></p>
<p><span>HTML5</span></p>
<p>Explanation: has no practical effect, semantically represents a piece of text, and is often used to set CSS and other operations</p>
<p><br></p>
<p><br></p>
<p>Example: </p><pre class='brush:php;toolbar:false;'><!DOCTYPE html>
<html lang=&#39;en&#39;>
<head>
<meta charset=&#39;utf-8&#39;>
<title>基本</title>
</head>
<body>
b元素,这是<b>HTML5</b>教程<br>
strong元素,这是<strong>HTML5</strong>教程<br>
wbr元素,这里填充一下:Thisisaasdfsdddddddddddddddddd<wbr>dddddddf<wbr>asdfasd is apple<br>
i元素,这是<i>HTML5</i>教程<br>
em元素,这是<em>HTML5</em>教程<br>
s元素,这是<s>HTML5</s>教程<br>
del元素,这是<del>HTML5</del>教程<br>
u元素,这是<u>HTML5</u>教程<br>
ins元素,这是<ins>HTML5</ins>教程<br>
small元素,这是<small>HTML5</small>教程<br>
sub元素,这是<sub>5</sub>教程<br>
sup元素,这是<sup>5</sup>教程<br>
code元素,这是<code>HTML5</code>教程<br>
var元素,这是<var>HTML5</var>教程<br>
samp元素,这是<samp>HTML5</samp>教程<br>
kdb元素,这是<kdb>HTML5</kdb>教程<br>
abbr元素,这是<abbr>HTML5</abbr>教程<br>
dfn元素,这是<dfn>HTML5</dfn>教程<br>
q元素,这是<q>HTML5</q>教程<br>
cite元素,这是<cite>HTML5</cite>教程<br>
ruby元素,
<ruby style="font-size: 50px;"> 饕<rp>(</rp><rt>tao</rt><rp>)</rp>餮<rp>(</rp><rt>tie</rt><rp>)</rp></ruby><br>
bdo元素,这是<bdo dir=&#39;rtl&#39;>HTML5</bdo>教程<br>
mark元素,这是<mark>HTML5</mark>教程<br>
time元素,这是<time>2017-2-12</time>教程<br>
span元素,这是<span>HTML5</span>教程<br>
</body>
</html></pre><p><img src="/static/imghwm/default1.png" data-src="https://img.php.cn//upload/image/923/270/519/1487058506806656.png?x-oss-process=image/resize,p_40" class="lazy" title="HTML5 text element parsing" alt="HTML5 text element parsing" style="max-width:90%" style="max-width:90%"></p>
<p>For more articles related to HTML5 text element analysis, please pay attention to PHP Chinese net! </p></cite></cite></dfn></abbr></kdb></samp>

The function of HTML is to define the structure and content of a web page, and its purpose is to provide a standardized way to display information. 1) HTML organizes various parts of the web page through tags and attributes, such as titles and paragraphs. 2) It supports the separation of content and performance and improves maintenance efficiency. 3) HTML is extensible, allowing custom tags to enhance SEO.

The future trends of HTML are semantics and web components, the future trends of CSS are CSS-in-JS and CSSHoudini, and the future trends of JavaScript are WebAssembly and Serverless. 1. HTML semantics improve accessibility and SEO effects, and Web components improve development efficiency, but attention should be paid to browser compatibility. 2. CSS-in-JS enhances style management flexibility but may increase file size. CSSHoudini allows direct operation of CSS rendering. 3.WebAssembly optimizes browser application performance but has a steep learning curve, and Serverless simplifies development but requires optimization of cold start problems.

The roles of HTML, CSS and JavaScript in web development are: 1. HTML defines the web page structure, 2. CSS controls the web page style, and 3. JavaScript adds dynamic behavior. Together, they build the framework, aesthetics and interactivity of modern websites.

The future of HTML is full of infinite possibilities. 1) New features and standards will include more semantic tags and the popularity of WebComponents. 2) The web design trend will continue to develop towards responsive and accessible design. 3) Performance optimization will improve the user experience through responsive image loading and lazy loading technologies.

The roles of HTML, CSS and JavaScript in web development are: HTML is responsible for content structure, CSS is responsible for style, and JavaScript is responsible for dynamic behavior. 1. HTML defines the web page structure and content through tags to ensure semantics. 2. CSS controls the web page style through selectors and attributes to make it beautiful and easy to read. 3. JavaScript controls web page behavior through scripts to achieve dynamic and interactive functions.

HTMLisnotaprogramminglanguage;itisamarkuplanguage.1)HTMLstructuresandformatswebcontentusingtags.2)ItworkswithCSSforstylingandJavaScriptforinteractivity,enhancingwebdevelopment.

HTML is the cornerstone of building web page structure. 1. HTML defines the content structure and semantics, and uses, etc. tags. 2. Provide semantic markers, such as, etc., to improve SEO effect. 3. To realize user interaction through tags, pay attention to form verification. 4. Use advanced elements such as, combined with JavaScript to achieve dynamic effects. 5. Common errors include unclosed labels and unquoted attribute values, and verification tools are required. 6. Optimization strategies include reducing HTTP requests, compressing HTML, using semantic tags, etc.

HTML 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.


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