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JS & DOM Reference

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Style left Property

Style Object

Definition and Usage

The left property sets or returns the left position of a positioned element.

This property specifies the left position of the element including padding, scrollbar, border and margin.

Tip: A positioned element is an element with the position property set to: relative, absolute, or fixed.

Syntax

Set the left property:

Object.style.left="auto|length|%|inherit"

Return the left property:

Object.style.left

Value	Description
auto	Lets the browser set the left position. This is default
length	Defines the left position in length units. Negative values are allowed
%	Sets the left position in % of the width of the parent element
inherit	The value of the left property is inherited from parent element

Browser Support

The left property is supported in all major browsers.

Note: The value "inherit" is not supported in IE7 and earlier. IE8 requires a !DOCTYPE. IE9 supports "inherit".

Example

Set the left position of the button:

<html>
<head>
<style type="text/css">
#b1
{
position:absolute;
}
</style>
<script>
function displayResult()
{
document.getElementById("b1").style.left="100px";
}
</script>
</head>
<body>

<input type="button" id="b1" onclick="displayResult()" value="Set left position to 100 px">

</body>
</html>

Try it yourself »

Style Object