The HTML DOM Style tabSize property returns and modify the length of the space used for the tab character in an HTML document.
Syntax
Following is the syntax −
1. Returning tabSize
object.tabSize
2. Modifying tabSize
object.tabSize = “value”
Here value can be −
| Value | Explanation |
|---|---|
| initial | It set this property value to its default value. |
| inherit | It inherits this property value from its parent element. |
| length | It specifies the length of a tab character. |
| number | It specifies the number of space-characters that should be displayed for each tab-character in an HTML document. |
Let us see an example of HTML DOM Style tabSize Property −
Example
<!DOCTYPE html>
<html>
<style>
body {
color: #000;
height: 100vh;
}
.btn {
background: #db133a;
border: none;
height: 2rem;
border-radius: 2px;
width: 40%;
display: block;
color: #fff;
outline: none;
cursor: pointer;
margin: 1rem 0;
}
.square {
width: 100px;
height: 100px;
background: #db133a6b;
position: relative;
}
.show {
font-size: 1.2rem;
margin: 1rem 0;
}
</style>
<body>
<h1>DOM Style tabSize Property Demo</h1>
<pre>I'mpreelement.</pre>
<button onclick="set()" class="btn">Change tabSize</button>
<script>
function set() {
document.querySelector('pre').style.tabSize = "20";
}
</script>
</body>
</html>Output

Click on “Change tabSize” button to change the tabSize of pre element.
