The HTML DOM Style height property is used for setting or returning the height of an element.
Following is the syntax for −
Setting the height property −
object.style.height = "auto|length|%|initial|inherit"
The above properties are explained as follows −
| Value | Description |
|---|---|
| Auto | Thisis the default value and the height set by the browser. |
| Length | Forsetting the browser height in length units. |
| % | Setsthe child element height in relative percentage to its parentelement. |
| initial | Forsetting this property to initial value. |
| inherit | Toinherit the parent property value |
Let us look at an example for the height property −
Example
<!DOCTYPE html>
<html>
<head>
<style>
#demo1 {
width:100px;
height:100px;
background-color:lightpink;
}
#demo2 {
margin-top:4px;
width:100px;
height:100px;
background-color:coral;
}
</style>
<script>
function changeHeight() {
document.getElementById("demo1").style.height="200px";
document.getElementById("Sample").innerHTML="The height for the first div has been increased by 100px";
}
</script>
</head>
<body>
<div id="demo1" >DIV1</div>
<div id="demo2" >DIV2</div>
<p>Change the font height for the text inside above divs by clicking the below button</p>
<button onclick="changeHeight()">Change Height</button>
<p id="Sample"></p>
</body>
</html>Output
On clicking the “Change Height” button −
