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?

    <p>class</p> Signup and view all the answers

    How can you destructure an array in JavaScript?

    <p>[ ]</p> Signup and view all the answers

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

    <p>Array Destructuring</p> Signup and view all the answers

    What is the purpose of 'let' in JavaScript?

    <p>Declaring a block-scoped variable</p> Signup and view all the answers

    In JavaScript, how is data passed between modules?

    <p>Through object literals</p> Signup and view all the answers

    What does the arrow function syntax in JavaScript help with?

    <p>Simplifying function expressions</p> Signup and view all the answers

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

    <p>Inheritance</p> Signup and view all the answers

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