Lebab
Lebab modernizes your JS code. (The opposite of Babel!)
Lebab launched on May 16, 2016 with 6 votes. The site was still online in September 2026, 10 years on.
What it does
Turn your ES5 code into readable ES6. Lebab does the opposite of what Babel does. - lebab/lebab
Does a similar job
all alternatives →
6to5 – Turn ES6 code into vanilla ES5 with source maps and no runtime2014 · github.com · ▲48🐠 Babel is a compiler for writing next generation JavaScript. - babel/babel
Leporello.js – interactive functional programming IDE for JavaScript2023 · leporello.tech · ▲107Hi! Leporello.js is an interactive functional programming environment designed for pure functional subset of JavaScript. It executes code instantly as you type and displays results next to it. Leporello.js also features an omnipresent debugger. Just position your cursor on any line or select any expression, and immediately see its value. Leporello.js visualizes a dynamic call tree of your program. Thanks to the data immutability in functional programming, it allows you to navigate the call tree both forward and backward, offering a time-travel-like experience. Leporello.js offers the ability…
Sucrase, 20x faster smaller-scoped alternative to Babel2018 · github.com · ▲88Super-fast alternative to Babel for when you can target modern JS runtimes - alangpierce/sucrase

The closest thing JavaScript might have to a standard library2018 · github.com · ▲7✨ The fundamental numerical library for JavaScript and TypeScript. ✨ ⭐️ Star to support our work! - stdlib-js/stdlib
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