The scope is set of objects,
variables and function and the JavaScript can have global scope variable and
local scope variable.
The global scope is a window object
and its used out of function and within the functions.
The local scope is a function object
and its used within the functions.
The example for global scope variable
var gblVar
= "Anil
Singh";
function getDetail()
{
console.log(gblVar);
}
and other example for global
function demoTest()
{
x = 15;
};
console.log(x); //out put is 15
The example for local scope variable
function getDetail()
{
var gblVar = "Anil Singh";
console.log(gblVar);
}
and other example for local
function demoText()
{
var x
= 15;
};
console.log(x); //undefined