js input document.createelement 怎么响应事件
1个回答
2015-02-02
展开全部
<!DOCTYPE HTML>
<html>
<head>
<meta charset=UTF-8>
<title>学了又学</title>
<style type="text/css">
</style>
<script type="text/javascript">
onload = function ()
{
for ( var i = 0; i < 2; i++)
{
funny ();
}
var selects = document.querySelectorAll ("select");
selects[0].onchange = function ()
{
selects[1].value = this.value;
}
}
var funny = function ()
{
var select = document.createElement ("select");
for ( var i = 0; i < 3; i++)
{
var opt = document.createElement ("option");
opt.value = i;
opt.innerHTML = i;
select.appendChild (opt);
}
document.body.appendChild (select);
}
</script>
</head>
<body>
</body>
</html>
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