What is javascript-tooltip? Its a small tooltip library for javascript to help you get tooltip when you hover on text. its uses data attribute.

Learn how to optimize tooltips for better web performance, using CSS, content optimization, and loading and caching techniques. Improve your web application usability and speed.

There are a few ways to create a tooltip in HTML, the Web programming language, including using JavaScript or CSS to create one and using the "title" attribute on an HTML image.