var imageArray = document.createElement("select");
document.body.appendChild(imageArray);
imageArray.id = "imageArray";
imageArray.name = "imageArray";
imageArray.setAttribute("multiple", true);
imageArray.options.add(new Option("北京" ,"1"));//=========
imageArray.options.add(new Option("上海", "2"));//=========
for(var i=0;i <imageArray.options.length;i++){
imageArray.options[i].selected = true;
}
document.body.appendChild(imageArray);
imageArray.id = "imageArray";
imageArray.name = "imageArray";
imageArray.setAttribute("multiple", true);
imageArray.options.add(new Option("北京" ,"1"));//=========
imageArray.options.add(new Option("上海", "2"));//=========
for(var i=0;i <imageArray.options.length;i++){
imageArray.options[i].selected = true;
}
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<body>
</body>
<script type="text/javascript">
var imageArray = document.createElement("select");
imageArray.setAttribute("name", "images");
imageArray.id = "images";
imageArray.setAttribute("multiple", "true");
imageArray.options[0] = new Option("北京" ,"1");
imageArray.options[1] = new Option("上海", "2");
for(var i=0;i<imageArray.options.length;i++){
imageArray.options[i].selected = true;
}
document.body.appendChild(imageArray);
</script>
</html>
这是我的全部代码!!!!!
if(navigator.appName!="Netscape")
imageArray = document.createElement("<select multiple='multiple'></select>");
else
imageArray=document.createElement("select");
imageArray.setAttribute("name", "images");
imageArray.id = "images";
document.body.appendChild(imageArray);
imageArray.multiple="multiple";
imageArray.options.add( new Option("北京" ,"1"));
imageArray.options.add( new Option("上海", "2"));
for(var i=0;i <imageArray.options.length;i++){
imageArray.options[i].selected = true;
}
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title> 无标题文档 </title>
<script language="javascript" defer>
var imageArray = document.createElement("select");
document.body.appendChild(imageArray);
imageArray.id = "imageArray";
imageArray.name = "imageArray";
imageArray.setAttribute("multiple", true);
imageArray.options[0] = new Option("北京" ,"1");
imageArray.options[1] = new Option("上海", "2");
for(var i=0;i <imageArray.options.length;i++){
imageArray.options[i].selected = true;
}
</script>
</head>
<body >
</body>
</html>
可以多选