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LeetCode VS JSFiddle

Compare LeetCode VS JSFiddle and see what are their differences

LeetCode logo LeetCode

Practice and level up your development skills and prepare for technical interviews.

JSFiddle logo JSFiddle

Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.
  • LeetCode Landing page
    Landing page //
    2022-02-01
  • JSFiddle Landing page
    Landing page //
    2022-07-11

LeetCode features and specs

  • Comprehensive Problem Library
    LeetCode offers an extensive collection of problems ranging from easy to extremely difficult, covering a wide range of topics and difficulty levels.
  • Active Community
    LeetCode has a vibrant and active community of users who contribute solutions, discuss problems, and provide insights, which can be very helpful for learning and debugging.
  • Interview Preparation
    Many of the problems on LeetCode are modeled after questions that have been asked in technical interviews, making it a popular choice for job seekers to practice and prepare.
  • Company-specific Questions
    LeetCode provides a list of problems that are frequently asked by specific companies during interviews, which can help users focus their preparation.
  • Detailed Explanations
    Many problems come with detailed explanations and multiple approaches to solving them, helping users understand different methodologies and improve their coding skills.
  • Contest and Challenges
    LeetCode regularly hosts coding contests and challenges, which provide users with opportunities to compete against others and improve their skills under time constraints.

Possible disadvantages of LeetCode

  • Paid Subscription
    While LeetCode offers many resources for free, a premium subscription is required to access some advanced features, company-specific questions, additional test cases, and certain problem solutions.
  • Steep Learning Curve
    For beginners, the wide range of problem difficulties and the complexity of some problems can be intimidating and may require a significant amount of time and effort to get up to speed.
  • Limited Technology Coverage
    LeetCode mainly focuses on algorithm and data structure problems and doesn't cover other technical aspects like system design, databases, or front-end development as comprehensively.
  • Variable Quality of Community Solutions
    While the community is active, the quality of user-contributed solutions and explanations can vary significantly, and some may not follow best practices or be optimal.
  • Platform Performance Issues
    Some users report occasional performance issues such as slow loading times or glitches during peak usage times, which can be frustrating during practice or contests.
  • Overemphasis on Coding
    LeetCode's focus is predominantly on coding problems, which might lead some users to neglect other important skills required for technical interviews, such as communication and problem-solving in real-world scenarios.

JSFiddle features and specs

  • Easy Sharing and Collaboration
    JSFiddle allows users to share and collaborate on code snippets effortlessly by generating unique URLs for each project.
  • Real-Time Editing
    Changes made to HTML, CSS, and JavaScript are displayed in real-time, providing instant feedback and streamlining the development process.
  • Supports Multiple Frameworks
    JSFiddle supports various JavaScript frameworks and libraries such as jQuery, Vue.js, and React, allowing developers to experiment with different technologies.
  • Embed Feature
    Users can embed their fiddles directly into websites or blogs, enabling easy demonstration of code and concepts.
  • Version Control
    JSFiddle offers version control, allowing users to save different versions of their code and revert to previous versions if needed.

Possible disadvantages of JSFiddle

  • Limited Backend Support
    JSFiddle is primarily focused on frontend development and does not provide robust backend development capabilities.
  • Performance Issues
    With complex or resource-intensive projects, JSFiddle can experience performance lag, impacting the user experience.
  • Basic IDE Features
    Compared to full-fledged Integrated Development Environments (IDEs), JSFiddle lacks advanced features such as code linting, debugging tools, and extensive plugins.
  • File Management
    JSFiddle does not offer comprehensive file management, making it challenging to work on larger projects with multiple files.
  • Dependency Management
    Managing dependencies can be cumbersome, as JSFiddle does not provide built-in tools to handle package management seamlessly.

LeetCode videos

Is A LeetCode Premium Subscription Worth It?

More videos:

  • Tutorial - HOW TO USE LEETCODE EFFECTIVELY...
  • Review - Is LeetCode subscription worth $159?

JSFiddle videos

Dashboard JSFiddle Online JavaScript Editor jQuery, Angular, Backbone, Underscore, Knockout, Y

More videos:

  • Review - 1.3 Using JSFiddle to Create a Simple Web Page

Category Popularity

0-100% (relative to LeetCode and JSFiddle)
Online Education
100 100%
0% 0
Text Editors
0 0%
100% 100
Online Learning
100 100%
0% 0
Programming
39 39%
61% 61

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare LeetCode and JSFiddle

LeetCode Reviews

  1. Rohit Singh
    · Blogger at Blogger Cage ·
    best platform to help people practice solving coding problems

    LeetCode is the best platform to help people practice solving coding problems and prepare for technical interviews. The main users are software engineers. LeetCode has over 1,900 questions covering many different programming concepts.

    🏁 Competitors: HackerRank
    👍 Pros:    Faster and cheaper than others|Fast support|Nice interface
    👎 Cons:    Nothing, so far

Examining Top 22 Alternatives to LeetCode
LeetCode is a renowned online platform offering a compendium of coding challenges that enable software developers to sharpen their programming prowess, facilitating their preparation for technical interviews. This industry is populated by various other platforms offering similar value, propelling a competitive landscape focused on innovative solutions to coding practice and...
Source: www.inven.ai
LeetCode Alternatives: Top platforms for coding practice
What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship today!ApplyHackerRankCodeSignalAlgoExpertCodewarsGeeksforGeeksEdabitExercismTopCoderShould you use LeetCode for advanced interview prep?Get holistic interview prep with Formation
Source: formation.dev
Discover the Top Leetcode Alternatives
In the quest for coding excellence, developers often seek platforms that not only challenge their skills but also make the learning process engaging and fun. While Leetcode has been a staple in the coding community for practicing algorithms and preparing for interviews, several alternatives offer unique features catering to diverse learning styles. Let's dive into the best...
Source: codenquest.com
Best Alternatives to LeetCode For Data Science
LeetCode is the platform where people practice their coding skills and prepare for software engineering interviews. It is the primary educational platform meant for the advanced-beginner to an intermediate engineer looking to brush up on their technical concepts. So can LeetCode be used for data science interviews? LeetCode is to help software engineers to get jobs. It...
15 Best LeetCode Alternatives 2023
LeetCode comes with more than 2,000 questions for you to practice. Also, you will get to prepare for interviews on LeetCode. Organizations can also go to the platform to look for talent.

JSFiddle Reviews

8 Best Replit Alternatives & Competitors in 2022 (Free & Paid) - Software Discover
Test your javascript, CSS, HTML or coffeescript online with jsfiddle code editor. Jsfiddle – code playground.
12 Best Online IDE and Code Editors to Develop Web Applications
JSFiddle cannot be used to host code on your server. The code has to be on JSFiddle and is public all the time.
Source: geekflare.com
6 Coding Playgrounds For Web Developers
What is missing from JSFiddle is live previews. You have to basically refresh the page by clicking on the play button. And compared to other playgrounds, JSFiddle is probably the slowest. Another slightly frustrating quirk of JSFiddle is its run button, sometimes clicking on it doesn’t work, so you’ll have to click a couple more times before it actually runs the code (and...

Social recommendations and mentions

Based on our record, LeetCode should be more popular than JSFiddle. It has been mentiond 532 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

LeetCode mentions (532)

  • Static Arrays - DSA Notes 📝
    Welcome to my new series on the BIG topic, Data Structures & Algorithms. Follow along with me as I learn everything about DSA to grind Leetcode!💪 Here, you will find all my notes on the topic. Starting everything off with Arrays. 😀. - Source: dev.to / 10 days ago
  • 5 Cool Websites Every Engineer Should Know About 🚀
    LeetCode (https://leetcode.com) Best for: Algorithm practice and coding challenges. LeetCode is the go-to platform for sharpening your problem-solving skills. With a vast range of coding questions and contests, it’s the perfect place to prepare for technical interviews and improve your coding ability. - Source: dev.to / about 2 months ago
  • Interview Preparation Tips from an Ex-Meta Engineer
    There are plenty of resources online that can be used to learn about these concepts. Some popular ones are Leetcode, Khan Academy, Youtube. - Source: dev.to / 5 months ago
  • 6 Common Data Structures in Programming
    LeetCode - Solve coding problems using these structures. - Source: dev.to / 5 months ago
  • Mastering Engineering Manager Interviews: The 6 Resources I Use to Land My EM Jobs
    Coding Interview Practice Platform: LeetCode (Freemium) LeetCode is one of the most popular platforms for practicing coding problems. Start from the easy questions LeetCode to brush up on coding basics, and gradually move on to the medium questions. It's going to be overwhelming at first even for the easy questions, but we'll usually start to be able to keep up. Spend 10-20 minutes a day for this. We'll see the... - Source: dev.to / 6 months ago
View more

JSFiddle mentions (201)

  • Imagine telling 2010 devs that in 2025, collapsing a div would require $8M
    > This specific example, https://jsfiddle.net, is not a monopoly and has many suitable replacements (e.g. https://livecodes.io/, https://liveweave.com). The other two don't even have sidebars... They are suitable replacements in the same way that crickets are a suitable replacement for beef – It'll get the job done. But often the customer wants more, like the whole experience, and jsfiddle does have a... - Source: Hacker News / about 2 months ago
  • HTML Basics: A Beginner's Guide
    Open a code editor (or an online editor like CodePen or JSFiddle) and try this:. - Source: dev.to / 2 months ago
  • Embedding JSFiddle in dev.to Articles
    Save your work to get a unique URL like https://jsfiddle.net/yourusername/yourfiddleID/. - Source: dev.to / 3 months ago
  • 100+ Must-Have Web Development Resources
    JSFiddle: Customize the environment to test your HTML, CSS, and JavaScript code. - Source: dev.to / 7 months ago
  • Level Up Your Interview Game with Practice Problems
    But we got this, jumping into https://jsfiddle.net/ instantly and writing:. - Source: dev.to / 9 months ago
View more

What are some alternatives?

When comparing LeetCode and JSFiddle, you can also consider the following products

HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

CodePen - A front end web development playground.

Codewars - Achieve code mastery through challenge.

CodeSandbox - Online playground for React

Project Euler - Project Euler is a series of challenging mathematical/computer programming problems that will...

Pastebin.com - Pastebin.com is a website where you can store text for a certain period of time.