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Digicreon / muJS

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Lightweight AJAX navigation library — 5KB alternative to Turbo and htmx

mujs.org ajax html-over-the-wire htmx-alternative hypermedia javascript
31
0
100% credibility
Found Mar 07, 2026 at 31 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
JavaScript
AI Summary

µJS is a lightweight script that intercepts link clicks and form submissions to load only parts of pages via fast background requests, creating smoother navigation on any website without frameworks or build steps.

How It Works

1
🕵️ Discover µJS

You hear about a simple trick to make your website feel super fast and smooth, without rebuilding everything.

2
📥 Add the script

You paste one tiny line of code at the bottom of your webpage, just like adding a photo to a page.

3
🔧 Wake it up

You add one quick command after the script, and now it's quietly making your site smarter.

4
🚀 Click and zoom

Watch in amazement as clicking links swaps content instantly, feeling like magic without waiting for full reloads.

5
🎨 Personalize updates

Sprinkle easy labels on links or forms to refresh just the right spots, like notifications or search results.

✅ Blazing fast site

Your website now glides smoothly like a top app, delighting visitors with speedy, seamless navigation.

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Star Growth

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AI-Generated Review

What is muJS?

muJS is a 5KB JavaScript library that turns static websites into fast, app-like experiences by intercepting link clicks and form submits to load content via AJAX. It swaps page fragments instead of full reloads, handling history, scroll restoration, and prefetching out of the box—no build step or backend changes needed. Drop in a script tag, call init(), and it works with any server like PHP or Python, making it a lightweight AJAX library alternative to heavier tools.

Why is it gaining traction?

At ~5KB gzipped with zero dependencies, muJS delivers Turbo and htmx features like patch updates for multiple page parts, SSE for real-time streams, and triggers for live search or polling, but stays dead simple. Developers hook on the prefetch-on-hover speed boost, progress bar, and modern perks like View Transitions or DOM morphing without framework lock-in. It's the github lightweight client for folks chasing betfair-level snappiness without bloat.

Who should use this?

Frontend devs maintaining PHP/Python sites who want SPA navigation without React or Vue overhead. Ideal for dashboards with forms, search inputs needing debounce, or notifications via SSE—think musicstore apps polling stock or musical berlin event lists updating live. Skip if you need complex state management.

Verdict

Try muJS for prototypes or lightweight sites; its docs are thorough and MIT-licensed, but 31 stars and 1.0% credibility signal early maturity—test thoroughly before production. Solid for 5KB gains if htmx feels heavy.

(198 words)

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