AJAX

getElementById is null

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Join Date: May 2008

Posts: 15

Reputation: samlabs821 is an unknown quantity at this point

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samlabs821 samlabs821 is offline

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getElementById is null

Oct 21st, 2009

Hi there .. I have error on my firebug it says:document.getElementById("category") is null
Could someone help me??
and i wanted to set the default drop down option

 Help with Code Tags 
 html Syntax (Toggle Plain Text) 
<html>
	<head>
	<script type="text/javascript">
		var i = 0;
		var someValue = '4';
		var mySelect = document.getElementById('category');
		while(i < mySelect.options.length) {
		    if(mySelect.options[i].value == someValue) {
				mySelect.options[i].selected = true;
			}
			i++;
		}
	</script>
	</head>
	<body>
			<select id="category"> 
				<option value="1" >Статика</option>
				<option value="4">Статика2</option>
				<option value="7">Статика3</option> 
			</select> 
	</body>
</html>
<html>
	<head>
	<script type="text/javascript">
		var i = 0;
		var someValue = '4';
		var mySelect = document.getElementById('category');
		while(i < mySelect.options.length) {
		    if(mySelect.options[i].value == someValue) {
				mySelect.options[i].selected = true;
			}
			i++;
		}
	</script>
	</head>
	<body>
			<select id="category"> 
				<option value="1" >Статика</option>
				<option value="4">Статика2</option>
				<option value="7">Статика3</option> 
			</select> 
	</body>
</html>