<!DOCTYPE HTML>
<html>
<head>
<script type="text/javascript">
var num=0;
function numCount(){
document.getElementById('txt').value=num;
num=num+1;
setTimeout(numCount(),1000);
}
</script>
</head>
<body>
<form>
<input type="text" id="txt" />
<input type="button" value="Start" onClick="numCount()" />
</form>
</body>
</html>
Why do you want to add parentheses to the first parameter in the above code, and why do you add a double quotation mark in the seTimeout? What about setInterval?
via HopeVerse
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