html Div layer expansion and contraction special effects source code download_html/css

html Div layer expansion and contraction special effects source code download_html/css_WEB-ITnose

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Release： 2016-06-24 11:59:09

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Special effects source code for expansion and contraction of html Div layer

Original text: Source code download for special effects expansion and contraction of html Div layer

Source code download address: http: //www.zuidaima.com/share/1550463332338688.htm

<html><head><title>div展开收缩代码-www.zuidaima.com-最代码</title><style>* { margin:0; padding:0;}body { text-align:center; font:75% Verdana, Arial, Helvetica, sans-serif;}h1 { font:125% Arial, Helvetica, sans-serif; text-align:left; font-weight:bolder; background:#333;  padding:3px; display:block; color:#99CC00}.class1 { width:40%; background:#CCC; position:relative; margin:0 auto; padding:5px;}span { position:absolute; right:10px; top:8px; cursor: pointer; color:yellow;}p { text-align:left; line-height:20px; background:#333; padding:3px; margin-top:5px; color:#99CC00}#class1content, #class2content,#class3content  { height:50px;overflow:hidden;display:none;}</style><script>function $(element){return element = document.getElementById(element);}function $D(element){var d=$(element);var h=d.offsetHeight;var maxh=300;function dmove(){if(h>=maxh){d.style.height='300px';clearInterval(iIntervalId);}else{h+=50; //设置层展开的速度d.style.display='block';d.style.height=h+'px';}}iIntervalId=setInterval(dmove,2);}function $D2(element){var d=$(element);var h=d.offsetHeight;var maxh=300;function dmove(){if(h<=0){d.style.display='none';clearInterval(iIntervalId);}else{h-=50;//设置层收缩的速度d.style.height=h+'px';}}iIntervalId=setInterval(dmove,2);}function $use(targetid,objN){var d=$(targetid);var sb=$(objN);if (d.style.display=="block"){    $D2(targetid);       d.style.display="none";       sb.innerHTML="展开";  } else {    var p=document.getElementsByTagName("p");    var span=document.getElementsByTagName("span");     for(var i=0,l=p.length;i<l;i++){		if(p[i]!=d){    			 p[i].style.height=0;      			 p[i].style.display="none";       			span[i].innerHTML="展开";			}    }    $D(targetid);       d.style.display="block";       sb.innerHTML='收缩';   }}</script></head><body><div class="class1">       <h1>div展开收缩效果</h1>       <span id="stateBut" onClick="$use('class1content','stateBut')">展开</span>       <p id="class1content">something.........</p></div><div class="class1">       <h1>div展开收缩效果</h1>       <span id="stateBut1" onClick="$use('class2content','stateBut1')">展开</span>       <p id="class2content">something.........</p></div><div class="class1">       <h1>div展开收缩效果</h1>       <span id="stateBut2" onClick="$use('class3content','stateBut2')">展开</span>       <p id="class3content">wojiade</p></div></body></html>

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