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<head><script type="text/javascript"> function f1() { alert("input click"); } function f2() { alert("div click"); } function delevent() { // 清除事件 // removeEventListener(類型，處理，事件流) // 1具體參數與addEventListener一致 // 2事件處理，如果是匿名函數，不能清除 var input = document.getElementsByTagName("input")[0]; input.removeEventListener('click', f1, false); } $(function () { var dv = document.getElementsByTagName("div")[0]; var input = document.getElementsByTagName("input")[0]; dv.addEventListener('click', f2, false); // 第三個參數表示冒泡方式 input.addEventListener('click', f1, false); }); </script></head><body><div style="width: 200px;height: 300px;background-color: pink"><input type="text" /></div><input type="button" id="username" value="清除事件" onclick="delevent()"/></body>
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