htmx/www/content/_index.md

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</> htmx _{high power tools for HTML}

NEWS: htmx 2.0 has been released! It is not currently marked as latest in NPM so that people using the 1.x line are not accidentally upgraded. We will mark 2.0 as latest at some point in 2025.

introduction

htmx gives you access to AJAX, CSS Transitions, WebSockets and Server Sent Events directly in HTML, using attributes, so you can build modern user interfaces with the simplicity and power of hypertext

htmx is small (~14k min.gz'd), dependency-free, extendable & has reduced code base sizes by 67% when compared with react

motivation

• Why should only <a> & <form> be able to make HTTP requests?
• Why should only click & submit events trigger them?
• Why should only GET & POST methods be available?
• Why should you only be able to replace the entire screen?

By removing these constraints, htmx completes HTML as a hypertext

quick start

  <script src="https://unpkg.com/htmx.org@2.0.4"></script>
  <!-- have a button POST a click via AJAX -->
  <button hx-post="/clicked" hx-swap="outerHTML">
    Click Me
  </button>

The hx-post and hx-swap attributes on this button tell htmx:

"When a user clicks on this button, issue an AJAX request to /clicked, and replace the entire button with the HTML response"

htmx is the successor to intercooler.js

Read the docs introduction for a more in-depth... introduction.

Note that htmx 2.x has dropped IE support. If you require IE support you can use the 1.x code-line, which will be supported in perpetuity.

book

We are happy to announce the release of Hypermedia Systems, a book on how to build Hypermedia-Driven Applications using htmx & more:

sponsors

htmx development can be supported via GitHub Sponsors

Thank you to all our generous supporters, including:

Platinum Sponsor

Gold Sponsors

Silver Sponsors

ʕ •ᴥ•ʔ made in montana