JavaScript Coding Problems

JavaScript programming challenges

64
Total Problems
29
Easy
29
Medium
6
Hard
Start Practicing
JS

Master DSA Topics - January, 2026

Practice problems across 75+ categories

JavaScript Coding Problems

Practice problems frequently asked at JavaScript 64 problems | 29 Easy | 29 Medium | 6 Hard

# Problem Difficulty Topics
1 Add Two Promises Easy
JavaScript
2 Allow One Function Call Easy
JavaScript
3 Apply Transform Over Each Element in Array Easy
JavaScript
4 Array of Objects to Matrix Hard
JavaScript
5 Array Prototype ForEach Easy
JavaScript
6 Array Prototype Last Easy
JavaScript
7 Array Reduce Transformation Easy
JavaScript
8 Array Upper Bound Easy
JavaScript
9 Array Wrapper Easy
JavaScript
10 Bind Function to Context Medium
JavaScript
11 Cache With Time Limit Medium
JavaScript
12 Calculator with Method Chaining Easy
JavaScript
13 Call Function with Custom Context Medium
JavaScript
14 Check if Object Instance of Class Medium
JavaScript
15 Chunk Array Easy
JavaScript
Showing 1-15 of 64
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public class MyFirstJavaProgram { Edit & Run

   /* This is my first java program.
    * This will print 'Hello, World!' as the output
    */

   public static void main(String []args) {
      System.out.println("Hello, World!"); // prints
   }
}

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