<!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=utf-8" />
<title>无标题文档</title>
</head>
<script language="javascript">
x = document.getElementById("testlink");
x.onclick = alert("Image");
</script>
<body>
<a href="#" id="testlink">测试</a>
</body>
</html>为什么打开这个文件就弹出警告框,而不是点击链接后弹出警告框
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title></head>
<body>
<a href="#" id="testlink">测试</a>
<script language="javascript">
x = document.getElementById("testlink")
x.onclick = function(){alert("Image");};
</script></body>
</html>