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Advance JavaScript Concepts Quiz

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Questions and Answers

What is the correct way to declare a constant value in JavaScript?

final

let

const (correct)

var

Which operator is used for the spread syntax in JavaScript?

... (correct)

What does the '=> ' symbol represent in JavaScript?

Comparison operator

Assignment operator

Arrow function (correct)

Logical operator

Which keyword is used to create classes in JavaScript for object-oriented programming?

class Signup and view all the answers

How can you destructure an array in JavaScript?

[ ] Signup and view all the answers

Which feature in JavaScript is used to handle multiple elements or values into individual variables?

Array Destructuring Signup and view all the answers

What is the purpose of 'let' in JavaScript?

Declaring a block-scoped variable Signup and view all the answers

In JavaScript, how is data passed between modules?

Through object literals Signup and view all the answers

What does the arrow function syntax in JavaScript help with?

Simplifying function expressions Signup and view all the answers

Which concept in JavaScript allows for defining blueprints for objects and their behavior?

Inheritance Signup and view all the answers