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JavaScript ~ Advanced Test
The JavaScript Advanced Test evaluates a developer’s proficiency in complex JavaScript concepts, including closures, scope, asynchronous programming, prototypal inheritance, ES6+ features, performance optimization, and error handling. It assesses the ability to write efficient, scalable, and maintainable code while understanding key principles such as event loops, promises, and modern JavaScript syntax. This test is designed for experienced developers who want to validate their expertise and problem-solving skills in real-world scenarios.
Duration (Customizable)
45 min
Skills Covered
2
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About the JavaScript ~ Advanced Test
The JavaScript Advanced Test is designed to assess a developer’s deep understanding of JavaScript’s core principles and advanced functionalities. It goes beyond basic syntax and evaluates problem-solving skills, code optimization techniques, and the ability to write efficient, maintainable, and scalable JavaScript applications. This test covers key topics such as closures, lexical scope, and hoisting, which are essential for managing variable accessibility and memory efficiency.
A strong emphasis is placed on asynchronous programming, including concepts like the event loop, promises, async/await, and callback functions. Understanding how JavaScript handles asynchronous operations is crucial for working with APIs, handling user interactions, and optimizing performance. Another critical area is prototypal inheritance and object-oriented programming, which involves deep knowledge of how JavaScript’s prototype chain works, the differences between class-based and prototype-based inheritance, and how to structure reusable code.
Additionally, the test evaluates proficiency in modern ES6+ features, including destructuring, spread/rest operators, template literals, and modules. These features improve code readability, maintainability, and efficiency. Developers must also demonstrate knowledge of error handling and debugging techniques, using try...catch blocks, error objects, and debugging tools to identify and resolve issues effectively.
Performance optimization is another essential aspect of the test, requiring an understanding of best practices such as reducing memory leaks, improving execution speed, and optimizing DOM manipulation. Candidates may also be tested on functional programming concepts, event delegation, and security best practices to ensure secure and efficient applications.
This test is ideal for experienced developers who want to validate their expertise in JavaScript, whether for career advancement, technical assessments, or improving their problem-solving skills. Mastery of these concepts is crucial for developing complex web applications, working with modern frameworks, and handling real-world challenges in JavaScript development.
Covered Skills
Algorithmic Problem Solving
Coding
Test Details
Type
Programming skills
Languages
English
Duration
45 minutes
Difficulty
Advanced
Recommended Job Roles to Use the JavaScript ~ Advanced
The test is ideal for experienced developers, front-end and full-stack engineers, and those preparing for technical interviews. It assesses skills in modern JavaScript, including asynchronous programming, performance optimization, and scalable code architecture.
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Wide Range of Coding Challenges for Every Skill Level
15+ Programming Languages – from Python, Java, and C++ to JavaScript, PHP, and more.
200+ Ready-to-Use Coding Challenges – designed for beginner to advanced levels.
Custom Challenges – create your own questions to match your exact hiring needs.
Database & Frontend Skills Covered – test SQL, HTML/CSS, and JavaScript with real-world scenarios.
Better Candidate Experience with a Real-World Coding Editor
Real-World Coding Environment – Candidates code in an editor that feels like VS Code, complete with auto-suggestions and error highlights.
Smooth & Easy Navigation – No clunky interfaces or confusing layouts. Candidates can focus on problem-solving, not figuring out the platform.
Branded Assessments – Add your company logo, theme colors, and branding so every test feels like part of your hiring journey.
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Smarter Evaluation with Code Playback & Auto-Scoring
Customizable Test Cases – automatically evaluate code accuracy, efficiency, and edge cases.
Code Playback – replay a candidate's coding process step by step to understand their logic.
360° Candidate Reports – get real-time insights and downloadable reports with performance breakdowns.
Benchmarking & Skill Comparison – compare candidates against role-specific benchmarks or top performers.
AI-Powered Proctoring for Fair & Secure Assessments
Smart Candidate Monitoring – AI-based face detection, absentee tracking, and dual-screen detection.
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Code Safety Controls – copy-paste disabling and detection of pasted code to ensure original work.
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A Step-by-Step Process With Our Talent Assessment Software
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Set Up
Pick from our test library or build custom assessments for any job role.
Invite Candidates
Send assessments directly through your ATS or any other platform in a few clicks.
Track Performance
Use score cards or reports to review scores, code playback, and behavior logs.
Make Decisions
Collaborate with your team to compare results, spot skills gaps, and select candidates with confidence.
Advanced Proctoring Features
Comprehensive AI-powered monitoring and security features to maintain test integrity
AI-based Face Detection
Advanced AI detects and verifies candidate's face throughout the test, flagging multiple faces or absence to prevent impersonation.
Dual Screen Detection
Monitors and alerts when candidates use multiple screens or external monitors, marking violations for review.
Code Paste Detection
Tracks when candidates paste pre-written code instead of typing their own and flags the behavior for review.
Screen Recording
Captures screen activity and screenshots at intervals, allowing proctors to review unauthorized software use or suspicious behavior.
Webcam Monitoring
Takes camera shots at intervals to ensure continuous monitoring of identity and environment, preventing external help.
Tab Proctoring
Detects and flags when candidates switch between tabs or browsers to prevent searching for answers online.
Flag Suspicious Candidates
Automatically identifies candidates exhibiting unusual behavior like extended absences, dual monitors, or copy-paste attempts.
Copy-Paste Disabling
Disables copy-paste function during assessments to ensure originality and fairness in candidate responses.
Absentee Monitoring
Tracks assessment attempts and duration to help identify delays, missed attempts, and monitor participation.
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