我这么写,为啥几次都是41960?
<script type="text/javascript">
var num=0;
function startCount() {
document.getElementById('count').value=num;
num=num+1;
startCount();
}
setTimeout("startCount()",1000);
</script>
2017-02-22
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>计时器</title>
<script type="text/javascript">
var num=0;
function startCount() {
document.getElementById('count').value=num;
num=num+1;
setTimeout("startCount()",1000);
}
</script>
</head>
<body>
<form>
<input type="text" id="count" onload="startCount() "/>
</form>
</body>
</html>
而且为啥没反应?
举报