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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Arrays
How to Get the Length of an Array in JavaScript
Beginner
JavascriptArraysArray methods+2
How to Write Basic If-Else Statements in JavaScript for Comparison Operations
Beginner
JavascriptLogicComparison+1
Understanding Array Methods: Map, Filter, and Reduce with Conditional Multiplication in JavaScript
Easy
Writing Your First Function
Beginner
JavascriptFunctions
Add an Item to an Array Using the push Method
Beginner
JavascriptArraysPush+2
Check If Any Element Matches a Condition
Easy
JavascriptArraysSome+1
Remove the Last Element Using pop()
Easy
JavascriptArray methodsArray manipulation
Filter Elements in an Array
Easy
JavascriptArraysFilter+1
Understanding JavaScript Event Loop: Promise, setTimeout, and Microtask Execution Order in React
Hard
PromisesEvent loopAsync+4
Optimizing React Performance: Using useMemo for Efficient Data Processing and Filtering
Medium
ReactReact hooksUsememo+4