


DIV CSS hidden menu code placed on the left side of the web page_html/css_WEB-ITnose
Code introduction:
The DIV CSS hidden menu docked on the left side of the browser will automatically expand when the mouse is placed, and automatically hide when the mouse is removed. This is also a relatively common CSS The special effects are completely implemented with CSS code, without any JS code, and can be used in the website navigation of your website, so it is even more worthy of recommendation.
Code content:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>放在网页左侧的DIV+CSS隐藏菜单代码_网页代码站(www.webdm.cn)</title></head><style type="text/css"> body { background: #fff; font-family: "Lucida Grande", Helvetica, Arial, sans-serif; font-size: 12px;}.menu {position:absolute; z-index:100; margin-top:20px;}.menu ul {padding:0; margin:0; list-style-type: none; height:170px;}.menu ul li {width:35px; text-align:left;}* html .menu ul li {width:235px; margin-left:-16px; mar\gin-left:0;}.menu ul li a, .menu ul li a:visited {display:block; text-decoration:none; width:15px; padding:10px; background:transparent url(http://www.webdm.cn/images/20090920/tab1.gif) top right; height:80px; text-align:center; border-left:1px solid #000;}* html .menu ul li a, * html .menu ul li a:visited {width:35px; height:100px; w\idth:15px; he\ight:80px;}table {margin:0; padding:0; border:0; border-collapse:collapse;font-size:1em;}.menu ul li ul {visibility:hidden; position:absolute; width:190px; top:0; left:0;}.menu ul li:hover {position:relative;}.menu ul li:hover a {padding-left:200px;}.menu ul li a:hover {padding-left:201px; position:relative; z-index:200; border-left:0;}.menu ul li:hover ul,.menu ul li a:hover ul {visibility:visible; z-index:300;}/* / */.menu ul li:hover ul li a,.menu ul li a:hover ul li a {display:block; background:#d8e2e2 url(http://www.webdm.cn/images/20090920/fade.gif); color:#888; text-align:left; height:auto; padding:5px; border:1px solid #000; border-width:1px 1px 0 1px; width:190px; w\idth:180px;}.menu ul li:hover ul li a.last,.menu ul li a:hover ul li a.last {border-bottom:1px solid #000;}.menu ul li:hover ul li a:hover,.menu ul li a:hover ul li a:hover {background:#e8f2f2; color:#000;}.some_text {padding:0 20px 0 50px;}</style><body><div class="menu"><ul><li><a href="http://www.webdm.cn">D E M O S<!--[if IE 7]><!--></a><!--<![endif]--><table><tr><td><ul><li><a href="/" title="The zero dollar ads page">zero dollars advertising page</a></li><li><a href="/" title="Wrapping text around images">wrapping text around images</a></li><li><a href="/" title="Styling forms">styled form</a></li><li><a href="/" title="Removing active/focus borders">active focus</a></li><li><a href="/" title="Multi-position drop shadow">shadow boxing</a></li><li><a href="http://www.webdm.cn" title="Image Map for detailed information">image map for detailed information</a></li><li><a href="/" title="fun with background images">fun with background images</a></li><li><a href="/" title="fade-out scrolling">fade scrolling</a></li><li><a class="last" href="/" title="em size images compared">em image sizes compared</a></li></ul></td></tr></table><!--[if lte IE 6]></a><![endif]--></li><li><a href="index.html">B O X E S<!--[if IE 7]><!--></a><!--<![endif]--><table><tr><td><ul><li><a href="/" title="a coded list of spies">a coded list of spies</a></li><li><a href="/" title="a horizontal vertical menu">vertical menu</a></li><li><a href="http://www.webdm.cn" title="an enlarging unordered list">enlarging unordered list</a></li><li><a href="/" title="an unordered list with link images">link images</a></li><li><a href="/" title="non-rectangular links">non-rectangular</a></li><li><a href="/" title="jigsaw links">jigsaw links</a></li><li><a class="last" href="/" title="circular links">circular links</a></li></ul></td></tr></table><!--[if lte IE 6]></a><![endif]--></li></ul></div><div class="some_text"><br><p><a href="http://www.webdm.cn">网页代码站</a> - 最专业的代码下载网站 - 致力为中国站长提供有质量的代码!</p></div></body></html>
Code from: http://www.webdm.cn/webcode/ff1b5713-c2f8-493d-ba57-c7903dd3c201.html

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.

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.


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