[100% Off] Javascript Certification Practice Tests: Es6+ &Amp; Core Concept
Master 100+ES6/ES7/ES2023 Interview Questions on Asynchronous JS, Closures, Promises, Scope, Hoisting and the Event
What you’ll learn
- Modern JavaScript Mastery: Deeply understand ES6
- ES7
- and ESNext features to bring your legacy skills up to date.
- Advanced Data Handling: Learn to manipulate data efficiently using Sets for uniqueness and Maps for complex key-value pairs.
- Browser Integration: Master the essential APIs that allow JavaScript to interact with the web browser
- including Storage and Fetch.
- Asynchronous Logic: Write non-blocking code using the modern Async/Await patterns and understand the Event Loop.
- Exam Readiness: Practice with 100+ realistic questions designed to simulate the difficulty of JavaScript certification exams.
Requirements
- Basic JavaScript Knowledge: You should understand the fundamentals of the language
- such as variables
- data types
- loops
- and basic function syntax.
- A Computer with Internet Access: You will need a PC
- Mac or Linux machine to access the practice tests on Udemy.
Description
Ready to stop reviewing basic syntax and start dominating technical interviews? This comprehensive practice test course is meticulously designed for JavaScript developers targeting senior-level roles, professional certification and advanced front-end or back-end development proficiency. It moves far beyond beginner tutorials, focusing exclusively on the complex, nuanced mechanics of the language that trip up even experienced engineers.
With 100+ highly-rated, expertly crafted questions, you will rigorously test your knowledge across the entire modern JavaScript ecosystem:
1. Asynchronous Mastery & The Event Loop
Achieve fluency in handling time and complexity with advanced asynchronous JavaScript. This section includes deep dives into the execution model, Event Loop architecture, subtle differences between Promises and traditional callbacks and effective error handling with Async/Await.
2. Execution Context & Scoping
Pinpoint your weaknesses in environment control and memory management. We provide thorough testing on Hoisting, the Temporal Dead Zone (TDZ), the critical distinction between var, let, and const, and the power of Closures. Crucially, you will master the four rules of this behavior: implicit, explicit (using call/apply), new binding, and lexical binding.
3. Advanced Core Fundamentals
Validate your understanding of foundational language features. Challenge yourself with advanced questions on Type Coercion (and why strict equality is paramount), intricate Data Structures (Map/Set), the Prototype chain, ES6 Classes and modern Modules (ESM).
Use these realistic, scenario-based tests to diagnose your weaknesses, validate your knowledge, and confidently showcase a deep, architectural understanding of JavaScript in any interview setting. Enroll now and solidify the core foundation required for modern, high-performance development.
