JavaScript: ES6+ Features
ES6 (ECMAScript 2015) changed how JavaScript is written, introducing syntax and features that are now standard in virtually every modern codebase. This quiz tests your knowledge of the language features every JS developer relies on daily.
Questions cover arrow functions and lexical this, destructuring, the spread and rest operators, template literals, classes, and the fundamentals of promises and async/await.
If you've been writing JavaScript with const, arrow functions, and template strings without knowing exactly why — this quiz will fill in the gaps.
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Sample questions3 of 13 shown
Q1
What is the main advantage of arrow functions compared to regular functions?
Q2
Which ES6+ feature allows you to extract values from objects or arrays in a more concise way?
Q3
Which of the following are valid uses of the spread operator (...) in JavaScript?
What This Quiz Covers
- Arrow functions and lexical
thisbinding - Destructuring objects and arrays
- Spread and rest operators
- Template literals and string interpolation
- ES6 classes and constructors
- Promises and async/await basics
- Modules: import/export syntax
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