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Part 2: Promises, Callbacks, Async & Strict Mode (54 - 103)

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JavaScript Internals (521 Qs)•Part 2: Promises, Callbacks, Async & Strict Mode (54 - 103)

What are global variables

Global variables are those that are available throughout the length of the code without any scope. The var keyword is used to declare a local variable but if you omit it then it will become global variable

javascript
msg = "Hello"; // var is missing, it becomes global variable
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