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CodeSignal via edX

Advanced Coding Interview Preparation with JavaScript

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Overview

Prepare for advanced coding interviews by applying efficient algorithms, data structures, and problem-decomposition techniques in JavaScript.

What you'll learn

  • Analyze the time and space efficiency of JavaScript solutions
  • Optimize brute-force and combinatorial problem-solving approaches
  • Apply Maps, Sets, heaps, sorted lists, and two-pointer techniques
  • Decompose complex coding tasks into manageable subproblems
  • Implement counting and aggregation solutions with JavaScript Maps
  • Traverse, manipulate, and transpose multidimensional arrays
  • Combine algorithmic components into cohesive interview-ready solutions

Skills you'll practise

Data StructuresProblem SolvingJavaScript (Programming Language)AlgorithmsBrute Force Attacks

Advantages and disadvantages

Advantages

  • University courses you can audit for free, with lectures, readings and practice quizzes.
  • A verified certificate from the university if you pay for it.
  • Self-paced: start any time.

Disadvantages

  • Graded assignments and the certificate need the paid track.
  • Audit access can expire a few weeks after the course ends.
  • Learning is free, but the certificate costs money.
  • Some parts (graded work, certificate) are paid.

Some points apply to every course of this kind; see how we rank.

Free to audit

  • Free: Choose "Audit this course" when you enrol: lectures, readings and practice are free.
  • Paid: Graded assignments and the verified certificate (Certificate $120). Audit access may end after the course closes.

Before you start

Beginner: Debugging and Troubleshooting (JavaScript) Intermediate: General Programming and Algorithms (JavaScript)

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