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JS Drop-down Box Two-level association menu Effect Code implementation

Source: Internet
Author: User
Tags dreamweaver
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This article introduces the JS Drop-down box Two-level association menu Effect Code implementation, the need for friends can refer to the copy code code as follows:


<! 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>


<meta http-equiv= "Content-type" content= text/html;charset=gb2312 "/>"


<title> Dual Selection association menu </title>


</head>


<body>


<form name= "Doublecombo" >


<p>


<select name= "Example" size= "1" onchange= "redirect (This.options.selectedIndex)" >


<option> Special effects code </option>


<option> Web Language </option>


<option> Software Tutorials </option>


</select>


<select name= "Stage2" size= "1" >


<option value= "/texiao/shubiao" > Mouse class </option>


<option value= "/texiao/chuangkou" > Window class </option>


<option value= "/texiao/daohang" > Navigation class </option>


</select>


<input type= "button" name= "Test" value= "go!"


onclick= "Go ()" >


</p>


<script>


<!--


var groups=document.doublecombo.example.options.length


var group=new Array (groups)


for (i=0; i<groups; i++)


group[i]=new Array ()


group[0][0]=new Option ("Mouse Class", "/texiao/shubiao")


group[0][1]=new Option ("window class", "/texiao/chuangkou")


group[0][2]=new Option ("Navigation Class", "/texiao/daohang")


group[1][0]=new Option ("ASP", "/yuyan/asp")


group[1][1]=new Option ("PHP", "/yuyan/php")


Group[1][2]=new Option ("JSP", "/yuyan/jsp")


group[2][0]=new Option ("Dreamweaver", "/ruanjian/dreamweaver")


group[2][1]=new Option ("Fireworks", "/ruanjian/fireworks")


group[2][2]=new Option ("Flash", "/ruanjian/flash")


group[2][3]=new Option ("Photoshop", "/ruanjian/photoshop")


var temp=document.doublecombo.stage2


function Redirect (x) {


for (m=temp.options.length-1;m>0;m--)


Temp.options[m]=null


for (i=0;i<group[x].length;i++) {


temp.options[i]=new Option (group[x][i].text,group[x][i].value)


}


temp.options[0].selected=true


}


function Go () {


Location=temp.options[temp.selectedindex].value


}


//-->


</script>


</form>


</body>


</html></td>


</tr>


</table>


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Related Keywords:
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