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Home » Quiz » ES6 Quiz

The spread operator is used to ________ elements of an iterable into individual elements.

Difficulty level
  • Combine
  • Separate
  • Flatten
  • Merge
The spread operator (...) is used to separate the elements of an iterable, like an array, into individual elements. This is often used to spread elements into a new array or function arguments.
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ES6 Quiz
Quiz
How do arrow functions behave differently from traditional functions in terms of hoisting?
When designing a library for UI components, how would the use of ES6 classes and inheritance improve the code structure and reusability?

Related Quiz

  • Consider a library that needs to add unique identifiers to objects without risk of property clashes. How would Symbols be utilized in this case?
  • In what scenarios is it not recommended to use arrow functions in JavaScript?
  • Question 2: In a large-scale application, how does the use of absolute imports in ES6 modules affect maintainability and refactoring compared to relative imports?
  • In object methods, using arrow functions can lead to issues when relying on the this keyword, as it does not bind its own this, but inherits it from the ________ scope.
  • To re-export all named exports from a module, use export * from _________.

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