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250+ DSA Interview Questions JavaScript Coding - FAANG Ready
100 students

250+ DSA Interview Questions JavaScript Coding - FAANG Ready

Master Every Pattern, Crack Every Interview — From Arrays to Dynamic Programming in JavaScript - Detailed Explanations
Created byJitendra Suryavanshi
Last updated 6/2026
English

What you'll learn

  • Arrays, Strings, Linked Lists, Stacks, Queues, Trees, Graphs, Heaps, Tries, Recursion, Backtracking, Dynamic Programming, Sorting, and Bit Manipulation.
  • Problems are organized by patterns, not randomly. You'll do all Sliding Window problems together, all Two Pointer problems together.
  • Each solution comes with a step-by-step explanation — not just code dumped on the screen.
  • We discuss multiple approaches for most problems — brute force first, then optimized. Because that's how real interviews go.
  • Every problem is solved in JavaScript — not Java, not Python. Real JS syntax, real JS methods, things you already know.
  • By the time you finish this course, you'll be able to look at any DSA problem and immediately identify which pattern to apply.

Coding Exercises

This course includes our updated coding exercises so you can practice your skills as you learn.

See a demo
Image of coding exercise example

Course content

14 sections • 16 lectures • 1h 2m total length

  • Introduction3:46
  • How to Solve Data Structures and Algorithms Problems Like a Top Candidate5:02
  • Understanding Arrays & Strings in JavaScript: The Foundation of Coding Interview2:43
  • Two Sum
  • Maximum Subarray
  • Best Time to Buy and Sell Stock
  • Contains Duplicate
  • Product of Array Except Self
  • 3Sum
  • Trapping Rain Water
  • Rotate Array
  • Merge Intervals
  • Find the Duplicate Number
  • Longest Consecutive Sequence
  • Sliding Window Maximum
  • Subarray Sum Equals K
  • Valid Anagram
  • Longest Substring Without Repeating Characters
  • Group Anagrams
  • Search in Rotated Sorted Array
  • Find Minimum in Rotated Sorted Array
  • Container With Most Water
  • First Missing Positive
  • Move Zeroes
  • 4Sum
  • Maximum Product Subarray
  • Jump Game
  • Jump Game II
  • Spiral Matrix
  • Set Matrix Zeroes
  • Rotate Image
  • Pascal's Triangle
  • Majority Element

Requirements

  • Basic Coding

Description

This course contains the use of artificial intelligence. DSA Interview Questions JavaScript Coding - FAANG Ready is a complete DSA interview preparation course with 250+ coding problems solved in JavaScript. Every single question you'll find here is the type that gets asked at companies like Google, Amazon, Microsoft, Meta, and top product startups.

We don't just throw problems at you. We teach you the thinking process behind every solution — why this approach, why not that one, what's the time complexity, what's the space complexity, and most importantly — how would you explain this in a real interview.

What makes this different from other DSA courses?

Honestly, most DSA courses either go too theoretical or just show you the answer without explaining the thought process. This course does neither.

Here's what you actually get:

  • Every problem is solved in JavaScript — not Java, not Python. Real JS syntax, real JS methods, things you already know.

  • Problems are organized by patterns, not randomly. You'll do all Sliding Window problems together, all Two Pointer problems together. This is how your brain builds pattern recognition.

  • We cover 14 topics — Arrays, Strings, Linked Lists, Stacks, Queues, Trees, Graphs, Heaps, Tries, Recursion, Backtracking, Dynamic Programming, Sorting, and Bit Manipulation.

  • Each solution comes with a step-by-step explanation — not just code dumped on the screen.

  • We discuss multiple approaches for most problems — brute force first, then optimized. Because that's how real interviews go.

By the time you finish this course, you'll be able to look at any DSA problem and immediately identify which pattern to apply. You'll walk into your next technical interview with actual confidence — not the fake kind where you hope the interviewer asks something you memorized, but the real kind where you know you can figure it out even if you've never seen that exact problem before.

You'll also have solved 250+ problems in JavaScript — which means your problem-solving muscle will be strong. Companies like Google and Amazon don't expect you to have seen every problem. They want to see how you think. This course trains exactly that.

Topics Covered:

  • Arrays & Strings

  • Linked Lists

  • Stacks & Queues

  • Trees & Binary Search Trees

  • Graphs (BFS, DFS, Topological Sort)

  • Dynamic Programming (Knapsack, LCS, LIS and more)

  • Recursion & Backtracking

  • Heaps & Priority Queues

  • Tries

  • Sorting & Searching (Binary Search patterns)

  • Greedy Algorithms

  • Bit Manipulation

  • Math & Number Theory

Who this course is for:

  • You know JavaScript basics but struggle with DSA problems
  • You've been applying for jobs but failing the coding round
  • You're a self-taught developer trying to break into product companies
  • You're a CS student preparing for campus placements
  • You want to move from a service-based company to a product company
  • You've tried other DSA courses but gave up because they were too boring or too hard

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