Tuesday, June 29, 2010

jQuery: Description: Get the current computed height for the first element in the set of matched elements.

Example:
Show various heights. Note the values are from the iframe so might be smaller than you expected. The yellow highlight shows the iframe body.
<!DOCTYPE html>
<html>
<head>
<style>
body { background:yellow; }
button { font-size:12px; margin:2px; }
p { width:150px; border:1px red solid; }
div { color:red; font-weight:bold; }
</style>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
</head>
<body>
<button id="getp">Get Paragraph Height</button>
<button id="getd">Get Document Height</button>
<button id="getw">Get Window Height</button>

<div> </div>
<p>
Sample paragraph to test height
</p>
<script>
function showHeight(ele, h) {
$("div").text("The height for the " + ele + 
" is " + h + "px.");
}
$("#getp").click(function () { 
showHeight("paragraph", $("p").height()); 
});
$("#getd").click(function () { 
showHeight("document", $(document).height()); 
});
$("#getw").click(function () { 
showHeight("window", $(window).height()); 
});

</script>
</body>
</html>
Source: http://api.jquery.com/height/

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