Coding Challenges
Explore our collection of coding challenges and practice questions. Filter by topic, difficulty, and more to find the perfect challenges for your learning journey.
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How to Prevent Unnecessary Re-renders in React Components Using React.memo
Easy
ReactReact hooksOptimization
How to Use Dynamic Import in JavaScript for Lazy Loading Modules
Easy
ModulesDynamic importsAsync
How to Find the First Element in JavaScript Array That Matches a Condition
Easy
ArraysMapFilter+3
React State Mutation: Why Direct State Updates Are Wrong and How to Fix Them
Easy
ReactStateImmutability
Understanding JavaScript Generator Function Output and Iterator Behavior
Medium
GeneratorsIteration
What does HTML stand for?
Beginner
HtmlWeb development
What is the purpose of HTML?
Beginner
HtmlWeb development
Which of the following is true about HTML?
Beginner
HtmlWeb development
Creating a button in HTML
Beginner
HtmlWeb development
JavaScript Array Methods: Understanding map, filter, and reduce with Conditional Operations
Easy
HTML Button Tag Recap
Beginner
HtmlTags
Which of the following HTML tags is used for the largest heading?
Beginner
HtmlWeb developmentTags
What is the purpose of the `<p>` tag in HTML?
Beginner
HtmlWeb developmentTags
What does the `<br />` tag do in HTML?
Beginner
HtmlWeb developmentTags
Which HTML tag should you use to add a line break without starting a new paragraph?
Beginner
Web developmentHtmlTags