As shown below:
Copy code code as follows:
<! Doctype HTML PUBLIC "-// W3C // DTD XHTML 1.0 Transitional // EN" http://www.w3.org/xhtml1/dtddml1-transitationAl.dtd ">
<html xmlns = "http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv = "content-type" content = "text /html; charset = utf-8" /> />
<Title> Non -Title Document </Title>
<script type = "text/javascript">
fuinction selchange () {
var sel = document.GetelementByid ('Sel');
alert (sel.options [sel.selectEx] .text) ;text);
alert (sel.options [sel.selectEx]. Value); Value);
}
</script>
</head>
<body>
<select ID = "SEL" onChange = "Selchange ()">
<option value = "zhangsan"> Zhang San </option>
<option value = "lisi"> Li Si </option>
<option value = "wangwu"> Wang Wu </option>
</select>
</body>
</html>