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
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Anil Singh is an author, tech blogger, and software programmer. Book writing, tech blogging is something do extra and Anil love doing it. For more detail, kindly refer to this link..
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