try_dom_event_altkey 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
<script>
function isKeyPressed(event){
    if (event.altKey==1){
        alert(" ALT 键被按下!");
    }else{
        alert(" ALT 键没被按下!");
    }
}
</script>
</head>
<body onmousedown="isKeyPressed(event)">
<p>点击该段落，尝试按下或者不按下shift 键的效果。</p>
</body>
</html>
 
 
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运行结果
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