Introduction to JavaScript Deep/Shallow Copies and the Spread Operator

6m 23s

This practical lesson explores JavaScript deep/shallow copy mechanisms and how they are generated with the spread operator. Deep and shallow copies may occur when a JavaScript variable is assigned to another variable.

Learning Objectives

  • Learn how the shallow copy can occur in JavaScript.
  • Learn the meaning of deep copy.
  • Learn how spread operators can create deep or shallow copies of other data collections.

Intended Audience

This lesson is intended for anyone who wants to learn about what are JavaScript Deep/Shallow copies along with their interactions with the spread operator.


Anyone with an interest in using the deep/shallow copies in JavaScript or who wants to improve their knowledge of JavaScript in general.

About the Author
Farish Kashefinejad, opens in a new tab
Full-Stack Development Content Creator
Learning paths

Farish has worked in the EdTech industry for over six years. He is passionate about teaching valuable coding skills to help individuals and enterprises succeed.

Previously, Farish worked at 2U Inc in two concurrent roles. Farish worked as an adjunct instructor for 2U’s full-stack boot camps at UCLA and UCR. Farish also worked as a curriculum engineer for multiple full-stack boot camp programs. As a curriculum engineer, Farish’s role was to create activities, projects, and lesson plans taught in the boot camps used by over 50 University partners. Along with these duties, Farish also created nearly 80 videos for the full-stack blended online program.

Before 2U, Farish worked at Codecademy for over four years, both as a content creator and part of the curriculum experience team.

Farish is an avid powerlifter, sushi lover, and occasional Funko collector.

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