Last Minute Notes

JavaScript

Core JavaScript interview notes and patterns.

Start here for fundamentals, advanced patterns, and common interview questions.

Start with JavaScript Interview Notes
0 of 2 read
  1. 01
    JavaScript Interview Notes

    Complete JavaScript interview notes and explanations.

    Table of Contents1. JavaScript Overview2. JavaScript Engine & Runtime3. Execution Context4. Hoisting5. Scope & Scope Chain6. Closures7. Data Types8. Type Coercion9. Equality Operators10. this Keyword11. call, apply, bind+26 more
  2. 02
    Advanced JavaScript

    Patterns, pitfalls, and deeper JavaScript concepts.

    Deep Async, Event Loop, Tricky Outputs & Machine CodingTable of Contents1. Deep Async JavaScript & Event Loop (INTERNALS)1.1 JavaScript Is Single-Threaded — Then How Is Async Possible?1.2 Runtime Architecture (Mental Diagram)1.3 Event Loop Priority Order (CRITICAL)1.4 Microtasks vs Macrotasks1.5 Deep Event Loop Example (Most Asked)1.6 Nested Microtasks (Very Tricky)1.7 async / await Internals (IMPORTANT)1.8 await vs then (Same Priority)1.9 Blocking the Event Loop (Interview Trap)+20 more
Previous

Java Concurrency and JVM Internals

Next

JavaScript Interview Notes