Software Alternatives & Startups

Codility VS Exploring ES6

Compare Codility VS Exploring ES6 and see what are their differences

Codility

Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.

Rating
0 reviews
Exploring ES6

Upgrade to the next version of JavaScript

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0 reviews
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Codility seems to be more popular. It has been mentioned 2 times since March 2021.

social mentions
2 vs 0
Hiring And Recruitment popularity
100% vs 0%
alternatives listed
240+ vs 17

Base details

Website, pricing, platforms and company facts side by side.

Codility
EES
Exploring ES6
Website codility.com leanpub.com
Pricing —
Platforms
Web Browser
—
Listed in

About Codility and Exploring ES6

In their own words, as submitted to SaaSHub.

Codility
EES
Exploring ES6

The Codility platform includes: CodeCheck - Design role-specific remote skills assessments to screen your technical candidates before moving them to the interview stage. CodeLive - Host technical remote or onsite interviews via our shared editor using a range of templates and whiteboards....

Read more about Codility

No description of Exploring ES6 yet.

Features and specs

What each product offers, as listed by its team.

Codility 7 features
EES
Exploring ES6 5 features
  • Automated Assessment
    Codility provides automated coding assessments that save time for both recruiters and candidates by quickly identifying technical abilities.
  • Standardized Testing
    Codility offers standardized tests, ensuring evaluations are consistent and unbiased across all candidates.
  • Diverse Question Bank
    The platform has a large repository of coding problems that cover a wide range of topics and difficulty levels, catering to various roles and expertise levels.
  • Real-Time Code Execution
    Codility allows for real-time code execution and validation, enabling candidates to see the results of their code immediately.
  • Customizable Tests
    Recruiters can create custom tests tailored to the specific needs of their company or position, making the assessments more relevant.
  • Detailed Reports
    Codility provides detailed reports and analytics on candidate performance, helping hiring managers to make data-driven decisions.
  • Integration Capabilities
    The platform integrates with various Applicant Tracking Systems (ATS) and other HR tools, streamlining the recruiting process.

Possible disadvantages

  • Cost
    Codility can be relatively expensive, especially for small companies or startups with limited recruitment budgets.
  • Learning Curve
    There might be a learning curve for both recruiters and candidates to get accustomed to the platform and its features.
  • Language Limitations
    While Codility supports multiple programming languages, some niche or less commonly used languages may not be available.
  • Potential Stress for Candidates
    Automated assessments can induce stress for candidates, which might not accurately reflect their true abilities in a real-world setting.
  • Internet Connection Dependency
    A stable internet connection is required to complete assessments, which can be a limitation in areas with unreliable internet access.
  • Limited Collaboration Features
    Codility's focus on individual assessments means it has limited support for evaluating collaborative or team-based coding skills.
  • Algorithm Focus
    The platform often emphasizes algorithmic problem-solving, which may not fully represent the day-to-day coding skills required for certain positions.
  • Comprehensive Coverage
    Exploring ES6 provides an exceptionally thorough and detailed exploration of ES6 (ECMAScript 2015) features, covering everything from arrow functions and template literals to generators, proxies, and modules, making it one of the most complete references available for the specification.
  • Free to Read Online
    The book is available to read for free online through Leanpub, making it highly accessible to developers of all backgrounds and financial situations who want to learn modern JavaScript.
  • In-Depth Explanations
    Dr. Axel Rauschmayer is known for his deep, technically precise explanations. The book goes beyond surface-level tutorials and explains the 'why' behind design decisions in ES6, helping readers gain a genuine understanding of the language mechanics.
  • Well-Structured Organization
    The book is organized into logical chapters that each focus on a specific ES6 feature or concept, making it easy to use both as a sequential learning resource and as a reference guide that you can jump into at any point.
  • Authoritative Source
    Written by Dr. Axel Rauschmayer, a highly respected JavaScript expert and blogger, the content is reliable, accurate, and well-researched, drawing directly from the ECMAScript specification itself.

Possible disadvantages

  • Overwhelming Detail
    The level of detail can be overwhelming for beginners or intermediate developers. The book sometimes dives into specification-level minutiae that may not be practical for everyday development, making it hard to distinguish essential knowledge from edge cases.
  • Dated Content
    Since the book focuses specifically on ES6 (2015), it does not cover subsequent ECMAScript updates (ES2016–ES2024) such as async/await, optional chaining, nullish coalescing, and other modern features that are now standard in JavaScript development.
  • Dense and Academic Writing Style
    The writing style can be quite academic and dense, which may make it less engaging or harder to follow compared to more conversational or example-driven JavaScript books. Some readers may find it dry.
  • Limited Practical Examples
    While the book excels at explaining concepts theoretically, it can sometimes lack real-world, practical project-based examples that show how ES6 features are used together in actual application development scenarios.
  • Length Can Be Intimidating
    The book is extremely long and extensive, which can be intimidating for readers who want a quick, concise introduction to ES6. It may take significant time commitment to work through the entire book.

Analysis

An editorial look at what each product does well and who it suits.

Codility
EES
Exploring ES6

No analysis of Codility yet.

Overall verdict

  • Exploring ES6 by Dr. Axel Rauschmayer is an excellent, in-depth resource for understanding modern JavaScript (ECMAScript 6/ES2015) with clear explanations and practical examples.

Why this product is good

  • Written by Dr. Axel Rauschmayer, a well-respected JavaScript expert and educator
  • Provides thorough, detailed coverage of ES6 features with accurate technical explanations
  • Available to read for free online, making it accessible to everyone
  • Includes practical code examples that clarify complex concepts
  • Well-organized structure that lets you jump to specific topics as needed
  • Explains not just how features work but the reasoning and design decisions behind them

Recommended for

  • JavaScript developers wanting to master modern ES6 features
  • Programmers transitioning from ES5 to ES6/ES2015
  • Developers who prefer a reference-style book they can consult topic-by-topic
  • Self-learners who want a free, comprehensive resource
  • Experienced coders seeking deep understanding rather than surface-level tutorials

Videos

Walkthroughs and reviews on video.

Codility 1 video + Add
EES
Exploring ES6 0 videos + Add

An Introduction to Codility: The Tech Hiring Platform for Engineering Teams

No Exploring ES6 videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Codility
EES
Exploring ES6
100% 100%
0% 0%
0% 0%
100% 100%
0% 0%
100% 100%

User comments

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Codility no reviews yet
EES
Exploring ES6 no reviews yet
  • Examining Top 22 Alternatives to LeetCode
    www.inven.ai · Jun 2024

    Codility is a platform that helps companies assess the coding skills of developers. They offer a range of online coding tests and assessments that enable employers to evaluate candidates' technical abilities.

We have no reviews of Exploring ES6 yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Codility 2 mentions
EES
Exploring ES6 0 mentions
  • How to Hire Mobile App Developers
    - Technical skills: have they got the walk to match the talk? Programming languages on a resume mean little if candidates are unable to demonstrate their hard coding skills. You can test these skills with technical skill tests, such as... - Source: dev.to / over 2 years ago
  • Best Websites Every Programmer Should Visit
    Codility : Verify and improve coding skills. - Source: dev.to / over 5 years ago

Tracking Exploring ES6 since Jun 2026.

Alternatives to Codility and Exploring ES6

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