Style left Property
Example
Set the left position of a <button> element:
document.getElementById("myBtn").style.left = "100px";Try it Yourself »
Description
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.
Tip: To set or return the right position of a positioned element, use the right property.
Browser Support
| Property | |||||
|---|---|---|---|---|---|
| left | Yes | Yes | Yes | Yes | Yes | 
Syntax
Return the left property:
 object.style.left
Set the left property:
 object.style.left = "auto|length|%|initial|inherit"
Property Values
| 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 | 
| initial | Sets this property to its default value. Read about initial | 
| inherit | Inherits this property from its parent element. Read about inherit | 
Technical Details
| Default Value: | auto | 
|---|---|
| Return Value: | A String, representing the left position of a positioned element | 
| CSS Version | CSS2 | 
More Examples
Example
Set the left position of a <div> element:
document.getElementById("myDIV").style.left = "100px";
Try it Yourself »
Example
Using negative values - Set the left position of a <div> element:
document.getElementById("myDIV").style.left = "-100px";
Try it Yourself »
Example
Return the left position of a <div> element:
 alert(document.getElementById("myDiv").style.left);
Try it Yourself »
Related Pages
CSS tutorial: CSS Positioning
CSS reference: left property
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