<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>www.javaweb.top</title>
</head>
<body>
<select name="type" onchange="show_sub(this.options[this.options.selectedIndex].text)">
<option value="0">请选择主类别</option>
<option value="1">1111</option>
<option value="2">22222</option>
</select>
</body>
</html>
<script>
function show_sub(v){
alert(v);
}
</script>
