Learn Prototype
Prototype Resources
Selected Reading
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Prototype writeAttribute() Method
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This method adds, specifies or removes attributes passed as either a hash or a name/value pair.
Syntax:
element.writeAttribute(attribute[, value]);
OR
element.writeAttribute(attributes);
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Return Value:
Example:
<html>
<head>
<title>Prototype examples</title>
<script type="text/javascript"
src="/javascript/prototype.js">
</script>
<script>
function showResult()
{
$('test').writeAttribute("align", "right" );
}
</script>
</head>
<body>
<p id="test" align="center" >Formatted Paragraph</p>
<br />
<input type="button" value="Click" onclick="showResult();"/>
</body>
</html>
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To understand it in better way you can Try it yourself.
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