JavaScript: Using Variables Part 2

4m 46s
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Variables are a fundamental programming concept and it is important for developer to understand how they operate in JavaScript. This three part series will look at how to declare, use, and scope JavaScript variables. Part 2 of 3

This video continues the discussion on variables in JavaScript and focuses on scoping rules. These are the rules that define the section or sections of code where variables are accessible to your code. It may also determine the lifespan of variable's content.