JavaScript – Change the Opacity of Paragraph

To change the opacity of a paragraph using JavaScript, get the reference to the paragraph element, and assign the specific opacity value to the property.

Opacity value ranges from 0 to 1. For example, 0.2, 0.3, 0.8, 0.45, etc., are some of the values that can be assigned to opacity property.


<!DOCTYPE html>
<html lang="en">
<meta charset="utf-8">
    <p id="myPara">Change the Opacity of Paragraph in JavaScript</p>
    <button type="button" onclick="changeStyle()">Click Me</button>
    function changeStyle(){
        var element = document.getElementById("myPara"); = "0.2";
Try Online


In this JavaScript Tutorial, we learned how to change the opacity of a paragraph using JavaScript.