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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 Does Variable Reassignment Work in JavaScript: Number to String Conversion
Beginner
JavascriptVariablesTypes
Understanding JavaScript Arithmetic Operations: Step-by-Step Value Assignment and Multiplication
Beginner
JavascriptMathOperators+1
How to Concatenate Strings in JavaScript Using Different Methods
Beginner
JavascriptStringsConcatenation
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
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