How to create Popup Box using HTML CSS and JavaScript?

Creating a popup box with HTML, CSS, and JavaScript improves user interaction on a website. A responsive popup appears when a button is clicked, featuring an HTML structure, CSS for styling, and JavaScript functions to manage visibility.

Approach

• Create the Popup structure using HTML tags, Some tags are used in this project like <h1>,<div>,<p>.
• Add the different styling properties using CSS to style your Popup structure, give padding, margins, and font size accordingly, and add some hover, and transition properties for look and feel.
• In JavaScript, first, get button elements through their id or class and then apply addEventListener on the Popup button as well as the Close button.
• "Click" event is used, popup box appears while clicking on the popup button.
• A popup box appears with "You have Subscribed" and a Close button.
• The close button is used to remove the popup box by changing the display property to none.

Example: This example implements a popup using above-mentioned approach.

Output: