<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<div id="wrap">
<input type="button" id="btn" value="attachEvent" />
</div>
<script type="text/javascript">
window.onload = function() {
function iniEvent2() {
var btn = document.getElementById('btn');
btn.attachEvent('onclick', click1);
btn.attachEvent('onclick', click2);
btn.attachEvent('onclick', click3);
}
function click1() {
alert('1');
}
function click2() {
alert('2');
}
function click3() {
alert('3');
}
iniEvent2();
}
</script>
</body>
</html>
在IE下使用，一个按钮可以有很多个方法，下面的是除了IE下的使用，false是冒泡阶段
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<div id="wrap">
<input type="button" id="btn" value="attachEvent" />
</div>
<script type="text/javascript">
window.onload = function() {
function iniEvent2() {
var btn = document.getElementById('btn');
btn.addEventListener('click', click1, false);
btn.addEventListener('click', click2, false);
btn.addEventListener('click', click3, false);
}
function click1() {
alert('1');
}
function click2() {
alert('2');
}
function click3() {
alert('3');
}
iniEvent2();
}
</script>
</body>
</html>