Codewars is really good for learning basic patterns and useful methods and tricks when using JavaScript. Answer from HiiiiiiPower on reddit.com
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Programiz PRO
programiz.pro › community-challenges › javascript
JavaScript Coding Challenges | Programiz PRO
Sharpen your JavaScript skills with 500+ coding challenges and compete with other challengers to stay on the leaderboard. Available for all levels. Start Now.
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JSCHALLENGER
jschallenger.com
Free Javascript challenges online | JSchallenger
JSchallenger. Free Javascript challenges. Learn Javascript online by solving coding exercises. Javascript for all levels. Solve Javascript tasks from beginner to advanced levels.
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HackerNoon
hackernoon.com › top-three-coding-challenges-for-mid-level-javascript-developers
Top 3 Coding Challenges for Mid-level JavaScript developers | HackerNoon
November 11, 2021 - programming#javascript#interview#algorithms#data-structures#coding-challenge#javascript-coding-challenge#javascript-dates#es6
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GitHub
gist.github.com › fadjriaf › 59a9ea565bff047f16c558ffd637d6cc
Code Challenges: Intermediate JavaScript · GitHub
https://www.codecademy.com/paths/web-development/tracks/web-dev-js-arrays-loops-objects/modules/web-dev-intermediate-javascript-practice/lessons/intermediate-javascript-coding-challenge
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Codewars is really good for learning basic patterns and useful methods and tricks when using JavaScript.
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Certainly! There are several websites and apps that offer coding challenges for beginners. These platforms are a great way to practice and improve your coding skills. Here are some popular ones: **Codecademy:** Codecademy offers interactive coding lessons in various programming languages, and they have coding challenges to reinforce your learning. **LeetCode:** While known for its technical interview questions, LeetCode also has a wide range of coding challenges suitable for beginners. They provide explanations and solutions to help you learn. **HackerRank:** HackerRank offers coding challenges and competitions in a variety of domains, including algorithms, data structures, and artificial intelligence. They also provide tutorials and discussions. **Codewars:** Codewars provides coding challenges, referred to as "kata," that range from beginner to advanced levels. You can solve these challenges in your preferred programming language. **Exercism:** Exercism.io offers coding exercises in more than 50 programming languages. They focus on improving your coding skills through mentor-guided feedback. **FreeCodeCamp:** FreeCodeCamp offers a comprehensive curriculum for web development and coding. It includes coding challenges, projects, and interactive lessons. **Project Euler:** Project Euler focuses on mathematical and computational problems. It's a great platform to improve your problem-solving skills and mathematical thinking. **CodeSignal:** CodeSignal offers coding challenges and coding competitions, and they also provide a feature called "Certify," which can help you assess your coding skills and improve in specific areas. **TopCoder:** TopCoder is known for its competitive programming challenges, but it also has beginner-friendly problems in its practice section. **CodeCombat:** CodeCombat is a gamified platform that teaches coding through an interactive game. It's particularly appealing to beginners and young learners. **CodingBat:** CodingBat provides coding challenges in Java and Python, focusing on specific programming concepts like loops and strings. It's ideal for beginners in these languages. **CheckiO:** CheckiO offers coding challenges in Python. It's themed as a game where you solve coding puzzles and challenges in a Pythonic way. Remember that consistency and practice are key to becoming a proficient programmer. It's a good idea to try out a few of these platforms to see which one suits your learning style and goals the best. Many of these platforms also offer a community where you can seek help, discuss solutions, and learn from others.
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Codecademy
codecademy.com › home › 12 javascript code challenges for beginners
12 JavaScript Code Challenges for Beginners
June 28, 2024 - If you’re feeling comfortable with this, try the slightly more challenging bonus challenge below. Bonus intermediate challenge: Create a function that can return the sum of a particular column or row number in a table.
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Index.dev
index.dev › blog › javascript-coding-challenges
21 Tough JavaScript Challenges for Interviews [+ Solutions]
Discover 21 advanced JavaScript coding challenges covering data types, variables, functions, and more. Perfect for interview prep or leveling up your skills.
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Educative
educative.io › blog › level-up-javascript-coding-challenges
Level up your JavaScript skills with 10 coding challenges
Put your JavaScript skills to the test with 10 coding challenges, each with detailed explanations and strategies.
Find elsewhere
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Medium
medium.com › @mohamedsaidibrahim › 5-javascript-problems-to-level-up-your-intermediate-skills-part-1-5b6214563bb4
5 JavaScript Problems to Level Up Your Intermediate Skills (Part 1) | by Mohamed Said Ibrahim | Medium
December 7, 2024 - By working through these challenges, you’ll develop a deeper understanding of key JavaScript methods like map(), reduce(), and Promise.all(). These problems are common in real-world applications, so mastering them will prepare you for intermediate-level coding interviews or projects.
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Edabit
edabit.com › challenges › javascript
2500+ JavaScript Practice Challenges // Edabit
You are counting points for a basketball game, given the amount of 2-pointers scored and 3-pointers scored, find the final points for the team and return that value. Examples points(1, 1) ➞ 5 points(7, 5) ➞ 29 points(38, 8) ➞ 100 Notes N/A ... A student learning JavaScript was trying to make a function. His code should concatenate a passed string name with string "Edabit" and stores it in a variable called result.
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Microverse
microverse.org › home › blog › 10 advanced javascript code challenges
10 Advanced JavaScript Challenges
August 18, 2023 - Here are 10 Advanced JavaScript Challenges you can use to improve your coding skills when learning complicated JS code.
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DEV Community
dev.to › florinpop17 › javascript-coding-challenges-880
JavaScript Coding Challenges - DEV Community
April 26, 2019 - Collection of articles about different JavaScript Coding Challenges and their solutions. Tagged with javascript, coding, challenge.
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Codeguppy
codeguppy.com › site › download › 50_coding_challenges.pdf pdf
50 coding challenges
These coding challenges are intended for code newbies that want to practice JavaScript · • · The challenges are designed to be solved only with basic JavaScript language constructs · • · Although intended for beginners, advanced users can have fun too ·
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Codewars
codewars.com › collections › js-code-challenges
JS Code Challenges | Codewars
Start training on this collection. Each time you skip or complete a kata you will be taken to the next kata in the series. Once you cycle through the items in the collection you will revert back to your normal training routine · Challenges for testing JS competency
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GitHub
github.com › sadanandpai › javascript-code-challenges
GitHub - sadanandpai/javascript-code-challenges: A collection of JavaScript modern interview code challenges for beginners to experts
A collection of JavaScript modern interview code challenges for beginners to experts - sadanandpai/javascript-code-challenges
Starred by 4.4K users
Forked by 866 users
Languages   MDX 97.9% | TypeScript 1.2%
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Second Talent
secondtalent.com › home › interview guides › 30 javascript coding challenges for junior and senior developers
30 JavaScript Coding Challenges for Junior and Senior Developers [2025] | Second Talent
August 14, 2025 - JavaScript interviews with 30 coding challenges for junior, mid-level, and senior developers. Includes ES6+, async/await, closures, and advanced patterns with complete code examples.
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Code.org
forum.code.org › all courses: pedagogy and best practices
50 coding challenges for practicing JavaScript - All Courses: Pedagogy and Best Practices - Code.org Professional Learning Community
February 1, 2020 - Someone asked me once to give him small coding challenges to practice various JavaScript concepts. I wasn’t prepared back then… but now I have a small booklet of 50 coding challenges for beginners that may be useful to someone that is learning JavaScript Please feel free to use it in your ...
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JSCodebox
jscodebox.com
Free JavaScript Challenges online ‒ JSCodebox
Solve free JavaScript challenges online. Earn experience and share your solutions with other programmers. Free and without required login!
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Js.CheckiO
js.checkio.org
javascript coding challenges - Js.CheckiO
100 unique coding puzzles, 50000 javascript solutions. Improve your coding skills by playing games.