請(qǐng)問(wèn)這樣子為什么不能觸發(fā)鼠標(biāo)事件？
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>鼠標(biāo)移開(kāi)事件 </title>
<script type="text/javascript">
? var name=document.getElementById("first");
? name.onmouseout=function(){
? ? ? alert("相信我，frighting");
? }
</script>
</head>
<body>
<form id="first">
? <a href="http://idcbgp.cn">點(diǎn)擊我</a>
</form>
</body>
</html>
2018-10-25
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>鼠標(biāo)移開(kāi)事件 </title>
<script type="text/javascript">
? function message(){
? ? alert("不要移開(kāi)，點(diǎn)擊后進(jìn)行慕課網(wǎng)!"); }
</script>
</head>
<body>
<form>
? <a href="http://idcbgp.cn" onmouseout="message()">點(diǎn)擊我</a>
</form>
</body>
</html>
2018-07-04
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>鼠標(biāo)移開(kāi)事件 </title>
<script type="text/javascript">
window.onload = function() {
var name = document.getElementById("first");
name.onmouseout = function () {
alert("相信我，frighting");
}
}
</script>
</head>
<body>
<form id="first">
<a href="http://idcbgp.cn">點(diǎn)擊我</a>
</form>
</body>
</html>
2018-06-28
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