JavaScript global variables and local variables

Global variables:

• # Variables that can be used anywhere on the web page (inside and outside functions) are "global variables" variable".

• Variables defined outside the function are "global variables".

• Global variables" can be used outside the function or inside the function.

• "Global variables" are used when the web page is closed. Automatically disappear (release space)

##Local variables:

• can only be used in functions. Variables used internally are called "local variables".

## "Local variables" are defined inside the function and used inside the function. "Local variables" cannot be accessed outside the function.

• ##"Local variables" disappear after the function is executed.
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