Learn Prototype
Prototype Resources
Selected Reading
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Prototype getStyle() Method
This method returns the given CSS property value of element. Property can be specified in either of its CSS or camelized form.
Thus providing font-size and fontSize are equivalent.
Syntax:
element.getStyle( property );
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Return Value:
- Either CSS property value or NULL if it does not find a property set. Internet Explorer returns literal values while other browsers return computed values. Safari returns null for any non-inline property if the element is hidden.
Example:
<html>
<head>
<title>Prototype examples</title>
<script type="text/javascript"
src="/javascript/prototype.js">
</script>
<script>
function showResult(){
var str = $('grandfather').getStyle('margin-left');
alert("Element left margin is : " + str );
}
</script>
<style>
#grandfather {
font-size: 12px;
margin-left: 1em;
}
</style>
</head>
<body>
<p>Click the button to see the result.</p>
<div id="grandfather">This is grand father
<div id="father"> This is father.
<div id="kid">This is kid</div>
</div>
</div>
<br />
<input type="button" value="showResult"
onclick="showResult();"/>
</body>
</html>
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To understand it in better way you can Try it yourself.
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