Key Concepts

Review core concepts you need to learn to master this subject

Variables

var score = 0

A variable refers to a storage location in the computer’s memory that one can set aside to save, retrieve, and manipulate data.

Variables
Lesson 1 of 1

What you'll create

Portfolio projects that showcase your new skills

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How you'll master it

Stress-test your knowledge with quizzes that help commit syntax to memory

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