<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>事件绑定函数</title>
<script>
function aaa(){
alert("aaa");
}
//事件绑定函数
function myAddEvent(obj,sEven,fn){
if (obj.attachEvent) {
//兼容IE
obj.attachEvent("on"+sEven,fn);
}else{
//兼容火狐，false为不捕获
obj.addEventListener(sEven,fn,false);
}
}
window.onload=function(){
var oBtn=document.getElementById("btn");
//调用事件绑定函数
myAddEvent(oBtn,"click",aaa);
}
</script>
</head>
<body>
<input type="button" value="点击弹出" id="btn">
</body>
</html>封装事件绑定函数
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转载自blog.csdn.net/zhangqling/article/details/85224430
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