js中事件捕捉的案例代码 ,事件类型 onclick 表示鼠标单击的时候触发; ondblclick 表示鼠标双击的时候触发; onmouseover 表示鼠标移入的时候触发; onmouseout 表示鼠标移出的时候触发;
案例 <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> <title>Document</title><style type="text/css"> *{margin:0;padding:0;list-style:none;} #myul{ width:500px; margin:100px auto; } #myul li{ width:500px; height:30px; line-height:30px; text-align:center; background:#ccc; border:1px solid #000; } </style> </head> <body> <ul id="myul"> <li id="li01">单击</li> <li id="li02">双击</li> <li id="li03">鼠标移入</li> <li id="li04">鼠标移出</li> <li>打酱油滴</li> </ul></body></html><script type="text/javascript"> var li01 = document.getElementById('li01'); li01.onclick = function(){ alert('单击事件被捕获'); } var li02 = document.getElementById('li02'); li02.ondblclick = function(){ alert('双击事件被捕获'); } var li03 = document.getElementById('li03'); li03.onmouseover = function(){ alert('鼠标移入被捕获'); } var li04 = document.getElementById('li04'); li04.onmouseout = function(){ alert('鼠标移出被捕获'); } </script>
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