how to call global variable inside another scope Javascript

Question

How do i get the value of the global variable inside a scope . If i have the same name variable present in same scope .

<script>
var number =2;

var fun= function(numbs){
    console.log(number);
    //here it displays 2

    var number =numbs;
    console.log(number);
    //here it  displays 3


    console.log(number);
    //how do i get value of global variable here
}

fun(3);
</script>

IMHO it is poor form to use the same variable name in different scopes and try to reference the parent(s) scope(s). use var numbers = numbs; instead! — Douglas Denhartog
– Douglas Denhartog, Commented Jun 19, 2014 at 15:51
Did you run this before posting? The first line (// here it displays 2) actually displays undefined due to variable hoisting. — Raymond Chen
– Raymond Chen, Commented Jul 26, 2014 at 13:52

Smeegs · Accepted Answer · 2014-06-19 15:32:15Z

6

you should be able to call

window.number

A global variable is really just a property of the window object.

answered Jun 19, 2014 at 15:32

Smeegs

9,2346 gold badges46 silver badges79 bronze badges

Sign up to request clarification or add additional context in comments.

Comments

Denys Séguret · Accepted Answer · 2014-06-19 15:39:39Z

1

Simply :

console.log(window.number);

From the MDN :

Global variables

Global variables are in fact properties of the global object. In web pages the global object is window, so you can set and access global variables using the window.variable syntax.

But you shouldn't have to do this. If you need to go around shadowing, you have a design problem and you should probably fix it.

edited Jun 19, 2014 at 15:39

answered Jun 19, 2014 at 15:32

Denys Séguret

384k90 gold badges813 silver badges780 bronze badges

Collectives™ on Stack Overflow

how to call global variable inside another scope Javascript

2 Answers 2

Comments

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Related