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Implement drop-down and collapse effects based on jQuery _ layout and Layer

Source: Internet
Author: User
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Click the button below to implement the drop-down effect, which is also called the expansion and collapse effect. The jQuery plug-in is used, if you are not familiar with jquery plug-ins, you can also use pure Js. But jquery is so popular now, it is worth learning.

<! DOCTYPE html> <pead> <meta charset = "UTF-8"/> <title> jQuery drop-down effect </title> <script type = "text/javascript" src =" http://demo.jb51.net/jslib/jquery/jquery1.3.2.js?1.1.15 "> Script <script type =" text/javascript "> $ (document ). ready (function () {$ (". btn-slide "). click (function () {$ ("# panel "). slideToggle ("slow"); $ (this ). toggleClass ("active"); return false ;}); script <style type = "text/css"> body {margin: 0 auto; padding: 0; width: 570px; font: 75%/120% Arial, Helvetica, sans-serif;} a: focus {outline: none ;}# panel {background: #69C7F7; height: 200px; display: none ;}. slide {margin: 0; padding: 0; border-top: solid 4px # F27613 ;}. btn-slide {background: # F27613 url ( http://files.jb51.net/file_images/article/201212/20121225165932118.gif ) No-repeat right-50px; text-align: center; width: 144px; height: 31px; padding: 10px 10px 0 0; margin: 0 auto; display: block; font: bold 120%/100% Arial, Helvetica, sans-serif; color: # fff; text-decoration: none ;}. active {background-position: right 12px ;}</style> </pead> <body> the demo cannot be refreshed. <p style = "display: block; "id =" panel "> <! -- You can put content here --> </p> <p class = "slide"> click to try </p> </body> </ptml>
[Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]

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