Bring Bootstrap to life with our optional JavaScript plugins. Learn about each plugin, our data and programmatic API options, and more.

This tutorial follows Bootstrap 3, which was released in 2013. However, we also cover newer versions; Bootstrap 4 (released 2018) and Bootstrap 5 (released 2021).

Powerful, extensible, and feature-packed frontend toolkit. Build and customize with Sass, utilize prebuilt grid system and components, and bring projects to life with powerful JavaScript plugins.

You can use all Bootstrap plugins purely through the markup API without writing a single line of JavaScript. This is Bootstrap's first-class API and should be your first consideration when …

Bundle Include every Bootstrap JavaScript plugin and dependency with one of our two bundles. Both bootstrap.bundle.js and bootstrap.bundle.min.js include Popper for our tooltips and …

You can use all Bootstrap plugins purely through the markup API without writing a single line of JavaScript. This is Bootstrap's first-class API and should be your first consideration when …

Get started with Bootstrap, the world's most popular framework for building responsive, mobile-first sites, with jsDelivr and a template starter page.

Mar 17, 2025 · By understanding how to effectively integrate JavaScript with Bootstrap, you can elevate your web development projects and deliver an exceptional user experience. Start …

You can use all Bootstrap plugins purely through the markup API without writing a single line of JavaScript. This is Bootstrap's first class API and should be your first consideration when …

Install Bootstrap's source Sass and JavaScript files via npm, RubyGems, Composer, or Meteor. Package managed installs don't include documentation or our full build scripts.