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Oct 19, 2019 in JavaScript

Q: What are the valid scopes of a variable in JavaScript?

1 Answer

Oct 19, 2019

The scope of a variable is the region of your program in which it is defined. JavaScript variable will have only two scopes.

Global Variables − A global variable has global scope which means it is visible everywhere in your JavaScript code.

Local Variables − A local variable will be visible only within a function where it is defined. Function parameters are always local to that function.

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