JavaScript From Beginner to Expert | Lecture3: JavaScript Variables
A variable is a container for saving data.
In this video, you'll learn how to declare JavaScript variables using three JavaScript keywords: var, let and const.
Rules for naming variables:
1, A variable name must not contain spaces
2, A variable name must start with an alphabet, underscore or dollar sign ($)
3, A variable name must not be a JavaScript keyword
We also discuss the difference between var, let and const.
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