javascript scope?
 

what is java script scope?

JavaScript has two scopes: global and local. A variable that is declared outside a function definition is a global variable, and its value is accessible and modifiable throughout your program. A variable that is declared inside a function definition is local.

java scripts are known as a variable Scope that describes two scopes global and local variable.
A global variable declared outside function .
A local variable is declared inside a function.