以下是引用片段:
DEMOS
zero dollars advertising page
wrapping text around images
styled form
active focus
hover/click with no borders
styled form
removing active/focus borders
hover/click
shadow boxing
image map for detailed information
fun with background images
fade scrolling
em image sizes compared
BOXES
a coded list of spies
vertical menu
enlarging unordered list
link images
non-rectangular
jigsaw links
circular links
MOZILLA
drop down menu
cascading menu
content:
mozzie box
I can build a rainbow with transparent borders
a snooker cue using border art
target practise
two tone headings
shadow text
EXPLORER
the first example for Internet Explorer
weft fonts
vertically aligning text
OPACITY
a colour wheel using opaque colours
a menu using opacity
partial opacity
partial opacity II
HOVER/CLICK
styled form
removing active/focus borders
hover/click
Code
.menu {
font-family: verdana, sans-serif;
width:750px;
position:relative;
font-size:0.85em;
padding-bottom:250px;
}
.menu ul {
padding:0;
margin:0;
list-style-type: none;
}
.menu ul li {
float:left;
position:relative;
}
.menu ul li a, .menu ul li a:visited {
display:block;
text-decoration:none;
color:#000;
width:139px;
height:3em;
color:#000;
border:1px solid #fff;
border-width:1px 1px 0 0;
background:#dfc184;
padding-left:10px;
line-height:3em;
}
* html .menu ul li a, .menu ul li a:visited {
width:149px;
w\idth:139px;
}
.menu ul li ul {
display: none;
}
table {
margin:-1px;
border-collapse:collapse;
font-size:1em;
}
/* specific to non IE browsers */
.menu ul li:hover a {
color:#fff;
background:#bd8d5e;
}
.menu ul li:hover ul {
display:block;
position:absolute;
top:3em;
margin-top:1px;
left:0;
width:150px;
}
.menu ul li:hover ul li ul {
display: none;
}
.menu ul li:hover ul li a {
display:block;
background:#faeec7;
color:#000;
height:auto;
line-height:1.2em;
padding:5px 10px;
width:129px
}
.menu ul li:hover ul li a.drop {
background:#c9c9a7 url(http://www.cnblogs.com/graphics/drop.gif) bottom right no-repeat;
}
.menu ul li:hover ul li a:hover {
background:#c9c9a7;
color:#000;
}
.menu ul li:hover ul li:hover ul {
display:block;
position:absolute;
left:150px;
top:0;
width:150px;
}
.menu ul li:hover ul li:hover ul.left {
left:-150px;
}
.menu ul li a:hover {
color:#fff;
background:#bd8d5e;
}
.menu ul li a:hover ul {
display:block;
position:absolute;
top:3em;
left:0;
background:#fff;
margin-top:0;
marg\in-top:1px;
}
.menu ul li a:hover ul li a {
display:block;
background:#dbe4ab;
color:#000;
height:auto;
line-height:1.5em;
padding:5px 10px;
width:150px;
w\idth:129px;
}
.menu ul li a:hover ul li a.drop {
background:#c9c9a7 url(http://www.cnblogs.com/graphics/drop.gif) bottom right no-repeat;
}
.menu ul li a:hover ul li a ul {
visibility:hidden;
position:absolute;
height:0;
width:0;
}
.menu ul li a:hover ul li a:hover {
background:#c9c9a7; color:#000;
}
.menu ul li a:hover ul li a:hover ul {
visibility:visible;
position:absolute;
top:0;
color:#000;
left:150px;
}
.menu ul li a:hover ul li a:hover ul.left {
left:-150px;
}
DEMOS
zero dollars advertising page
wrapping text around images
styled form
active focus
hover/click with no borders
styled form
removing active/focus borders
hover/click
shadow boxing
image map for detailed information
fun with background images
fade scrolling
em image sizes compared
BOXES
a coded list of spies
vertical menu
enlarging unordered list
link images
non-rectangular
jigsaw links
circular links
MOZILLA
drop down menu
cascading menu
content:
mozzie box
I can build a rainbow with transparent borders
a snooker cue using border art
target practise
two tone headings
shadow text
EXPLORER
the first example for Internet Explorer
weft fonts
vertically aligning text
OPACITY
a colour wheel using opaque colours
a menu using opacity
partial opacity
partial opacity II
HOVER/CLICK
styled form
removing active/focus borders
hover/click
var now = new Date();
document.write("");
.menu {
font-family : verdana, sans-serif ;
width : 750px ;
position : relative ;
font-size : 0.85em ;
padding-bottom : 250px ;
}
.menu ul {
padding : 0 ;
margin : 0 ;
list-style-type : none ;
}
.menu ul li {
float : left ;
position : relative ;
}
.menu ul li a, .menu ul li a:visited {
display : block ;
text-decoration : none ;
color : #000 ;
width : 139px ;
height : 3em ;
color : #000 ;
border : 1px solid #fff ;
border-width : 1px 1px 0 0 ;
background : #dfc184 ;
padding-left : 10px ;
line-height : 3em ;
}
* html .menu ul li a, .menu ul li a:visited {
width : 149px ;
w\idth : 139px ;
}
.menu ul li ul {
display : none ;
}
table {
margin : -1px ;
border-collapse : collapse ;
font-size : 1em ;
}
/* specific to non IE browsers */
.menu ul li:hover a {
color : #fff ;
background : #bd8d5e ;
}
.menu ul li:hover ul {
display : block ;
position : absolute ;
top : 3em ;
margin-top : 1px ;
left : 0 ;
width : 150px ;
}
.menu ul li:hover ul li ul {
display : none ;
}
.menu ul li:hover ul li a {
display : block ;
background : #faeec7 ;
color : #000 ;
height : auto ;
line-height : 1.2em ;
padding : 5px 10px ;
width : 129px
}
.menu ul li:hover ul li a.drop {
background : #c9c9a7 url(http://www.cnblogs.com/graphics/drop.gif) bottom right no-repeat ;
}
.menu ul li:hover ul li a:hover {
background : #c9c9a7 ;
color : #000 ;
}
.menu ul li:hover ul li:hover ul {
display : block ;
position : absolute ;
left : 150px ;
top : 0 ;
width : 150px ;
}
.menu ul li:hover ul li:hover ul.left {
left : -150px ;
}
.menu ul li a:hover {
color : #fff ;
background : #bd8d5e ;
}
.menu ul li a:hover ul {
display : block ;
position : absolute ;
top : 3em ;
left : 0 ;
background : #fff ;
margin-top : 0 ;
marg\in-top : 1px ;
}
.menu ul li a:hover ul li a {
display : block ;
background : #dbe4ab ;
color : #000 ;
height : auto ;
line-height : 1.5em ;
padding : 5px 10px ;
width : 150px ;
w\idth : 129px ;
}
.menu ul li a:hover ul li a.drop {
background : #c9c9a7 url(http://www.cnblogs.com/graphics/drop.gif) bottom right no-repeat ;
}
.menu ul li a:hover ul li a ul {
visibility : hidden ;
position : absolute ;
height : 0 ;
width : 0 ;
}
.menu ul li a:hover ul li a:hover {
background : #c9c9a7 ; color : #000 ;
}
.menu ul li a:hover ul li a:hover ul {
visibility : visible ;
position : absolute ;
top : 0 ;
color : #000 ;
left : 150px ;
}
.menu ul li a:hover ul li a:hover ul.left {
left : -150px ;
}

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.

WebdevelopmentreliesonHTML,CSS,andJavaScript:1)HTMLstructurescontent,2)CSSstylesit,and3)JavaScriptaddsinteractivity,formingthebasisofmodernwebexperiences.

The 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.

HTMLisaspecifictypeofcodefocusedonstructuringwebcontent,while"code"broadlyincludeslanguageslikeJavaScriptandPythonforfunctionality.1)HTMLdefineswebpagestructureusingtags.2)"Code"encompassesawiderrangeoflanguagesforlogicandinteract

HTML, 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.


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