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What is HTML id Attribute

Definition and Usage

The id attribute specifies a unique id for an HTML element (the value must be unique within the HTML document).

The id attribute is most used to point to a style in a style sheet, and by JavaScript (via the HTML DOM) to manipulate the element with the specific id.


Applies to

The id attribute is a Global Attribute, and can be used on any HTML element.

Element Attribute
All HTML elements id

Browser Support


How to Use the id attribute to manipulate text with JavaScript

See Example.
index.html
Example: HTML
<!DOCTYPE HTML>
<html>
<body>

<h1 id="myHeader">Hello World!</h1>
<button onclick="displayResult()">Change text</button>

<script>
function displayResult() {
  document.getElementById("myHeader").innerHTML = "Have a nice day!";
}
</script>

</body>
</html>

Output should be:

How to Use the id attribute to manipulate text with JavaScript




html id attribute

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Single Articles
How to Use the id attribute to manipulate text with JavaScriptHTML Attribute

Read Full:
HTML Attribute
Type:
Develop
Category:
Web Tutorial
Sub Category:
HTML Attribute
Uploaded:
6 days ago
Uploaded by:
Admin
Views:
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Reffered: https://www.w3schools.com/tags/att_id.asp

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