practice js problems

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JavaScript Basics

• Introduction to JavaScript
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JS Variables & Datatypes

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JS Perfomance & Debugging

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• Introduction to Object Oriented Programming in JavaScript
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• JavaScript Object Reference

JS Function

• Functions in JavaScript
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• JavaScript Function Call
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• How to create a Number object using JavaScript ?
• JavaScript Number Reference
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• JavaScript Math Reference
• JavaScript Map
• What is JavaScript Map and how to use it ?
• JavaScript Map Reference
• Sets in JavaScript
• How are elements ordered in a Set in JavaScript ?
• How to iterate over Set elements in JavaScript ?
• How to sort a set in JavaScript ?
• JavaScript Set Reference
• JavaScript Date
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• Introduction to ES6
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JavaScript Exercises

Javascript exercises, practice questions and solutions.

If you are a JavaScript learner, then Practice JavaScript Online (JavaScript Exercises) by solving JavaScript quizzes, track progress, and enhance coding skills with our engaging portal. These JavaScript practice questions are ideal for beginners and experienced developers. So, to test your skills, go through these JavaScript exercises with solutions.

A step-by-step JavaScript practice guide for beginner to advanced level.

Benefits of Practice JavaScript

• Interactive Quizzes: Engage in hands-on JavaScript quizzes.
• Progress Tracking: Monitor your learning journey.
• Skill Enhancement: Sharpen coding skills effectively.
• Flexible Learning: Practice at your own pace.
• Immediate Feedback: Receive instant results and feedback.
• Convenient Accessibility: Accessible online, anytime.
• Real-world Application: Apply JavaScript concepts practically.
• Comprehensive Learning: Cover a range of JavaScript topics.

How to Start Practice ?

Embark on your JavaScript learning journey with our online practice portal. Start by selecting quizzes tailored to your skill level. Engage in hands-on coding exercises, receive real-time feedback, and monitor your progress. With our user-friendly platform, mastering JavaScript becomes an enjoyable and personalized experience. Elevate your coding expertise today.

JavaScript Best Practice Guide

Dive into JavaScript excellence with our Best Practice Guide. Explore coding standards, optimization techniques, and industry-recommended approaches. Elevate your skills through insightful tips, real-world examples, and interactive challenges. Unlock the secrets of efficient and maintainable JavaScript coding, ensuring your projects stand out with clarity and performance.

Why Practice JavaScript Online ?

Elevate your JavaScript online test experience with categorized fill-in-the-blank questions. This structured format guides your learning, providing targeted challenges for hands-on improvement. Engage in focused practice as it reinforce coding concepts, receive instant feedback, and enhance your skills incrementally. Moreover, by combining theoretical understanding with practical application, you’ll enjoy a comprehensive and effective approach to mastering JavaScript and as a result optimizing your performance in real-world scenarios.

JavaScript online practice Rules

• Be Honest: Complete challenges independently, refrain from plagiarism or seeking unauthorized help.
• Manage Time: Adhere to assessment time limits, simulating real-world scenarios.
• Code Quality : Prioritize clean, efficient, and well-documented code.
• Follow Guidelines : Adhere to platform-specific instructions, including input/output formats and code submission procedures.
• No Cheating: Avoid external resources during assessments, unless explicitly allowed.
• Utilize Feedback: Learn from automated or mentor/community feedback.
• Participate Actively: Engage in forums, discussions, and share insights with fellow learners.
• Continuous Improvement: Use assessments to identify and improve areas of weakness for ongoing growth.

Features of Practice Portal

• Instant Mistake Correction: Receive immediate feedback on errors to facilitate quick learning.
• Unlimited Tries: Allow learners to attempt questions multiple times for mastery.
• Time Display for Each Category: Show elapsed time for each set of 5-6 fill-in-the-blank questions to manage time effectively.
• Table View of Scenarios: Provide a comprehensive table view displaying all categories, their status (completed or pending), and corresponding scores.
• Performance Analytics: Track progress with detailed analytics, highlighting strengths and areas for improvement.
• Interactive Code Editor: Offer a responsive code editor for an immersive hands-on experience.
• Hints and Solutions: Include hints for guidance and solutions to foster self-learning.
• Community Integration: Facilitate collaboration through forums and discussions for peer learning.
• Adaptive Difficulty: Adjust difficulty levels based on user performance for personalized challenges.
• Gamification Elements: Incorporate scoring, achievements, or badges to make learning engaging.

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JS Tutorial

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You can test your JavaScript skills with W3Schools' Exercises.

We have gathered a variety of JavaScript exercises (with answers) for each JavaScript Chapter.

Try to solve an exercise by editing some code, or show the answer to see what you've done wrong.

Count Your Score

You will get 1 point for each correct answer. Your score and total score will always be displayed.

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If you don't know JavaScript, we suggest that you read our JavaScript Tutorial from scratch.

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List of Problems

This page contains the list of all programming problems in no particular order. If you have solved a problem, its row turns green. Click on any problem to start coding!