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Dev tools · May 29, 2024

100 JS Functions

Practice core JS concepts!

100 JS Functions launched on May 29, 2024 with 16 votes, #939 of 4,539 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 2 years on.

What it does

100 interactive JavaScript exercises that will help beginner and advanced developers to better understand the language.

Practice JavaScript with 100 free interactive exercises, from beginner to advanced. Write code in the browser, run the tests, and learn with video & code solutions.

100 interactive JavaScript exercises that will help beginner and advanced developers to better understand the language. Just wanted to say that I enjoyed all the advanced exercises and learned a lot about functional programming through them. The platform is amazing 💯 This is the best thing I came across for practicing JavaScript core concepts. Thanks a lot!! Javascript community needs such leetcod-ish website where devs can go and practice their JS concept. Thank you!! The exercises focus on real-world concepts, that you'll definitely encounter in your career. You will practice: I know you're curious how this all works, so here's our interactive IDE. We invite you to try one of our…from 100jsfunctions.com

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