The HTML DOM Style left property is used for setting the or returning a positioned element left position. To position an element, you have to set its position property to relative, absolute or fixed.
Following is the syntax for −
Setting the left property −
object.style.left = "auto|length|%|initial|inherit"
The above properties are explained as follows −
| Value | Description |
|---|---|
| auto | Thisis default position and sets the browser to left position. |
| length | Thisis for defining the left position in length units. It allowsnegative values. |
| % | Forsetting the left position of the child in % relative to the widthof the parent element. |
| initial | Forsetting this property to initial value. |
| inherit | Toinherit the parent property value |
Let us look at an example for the left property −
Example
<!DOCTYPE html>
<html>
<head>
<style>
#DIV1{
margin-top:70px;
position:absolute;
width:100px;
height:100px;
background-color:red;
}
</style>
<script>
var setLeft=50;
function changeLeft() {
document.getElementById("DIV1").style.left = setLeft+"px";
setLeft+=50;
}
</script>
</head>
<h1>Left property example</h1>
<body>
<div id="DIV1"></div>
<p>Change the left position for the below div by clicking the below button</p>
<button type="button" id="myBtn" onclick="changeLeft()">Left Position</button>
</body>
</html>Output
On clicking the “Left Position” button, the box will move to right by 50 px every time −
