console
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="http://www.softwhy.com/" />
<title>蚂蚁部落</title>
<style>
* {
margin: 0;
padding: 0;
}
#ant {
width:150px;
height:50px;
color:red;
text-align:center;
line-height:50px;
margin:0px auto;
}
</style>
<script>
window.onload = function () {
var odiv = document.getElementById("ant");
var count = 60;
odiv.innerHTML=count;
var timer = null;
timer = setInterval(function () {
if (count > 0) {
count = count - 1;
odiv.innerHTML = count;
}
else {
clearInterval(timer);
}
}, 1000);
}
</script>
</head>
<body>
<div id="ant"></div>
</body>
</html>