Как сделать глобальной переменную, которая находится в функции? #js

Question

#javascript

Как сделать глобальной переменную, которая находится в функции?

Answer 1

don't use the var keyword then it will leak the var from the function scope to the global scope.

edit: this is not recommended method if possible declare variables with var keyword.

https://code.sololearn.com/Wr989n0MDAHh/?ref=app

Answer 2

really odd.. works fine for me.

Answer 3

i didn't know assigning console to a var will fail on es5 your android may be 4.4.4 kitkat or lower i guess.
check now and speak...

Answer 4

web codes are processed on your mobile device not on server.

Answer 5

translation: How do I make a global variable that is in a function? #js

Answer 6

https://www.w3schools.com/js/js_scope.asp

Answer 7

@AxReal
using var keyword inside the function will make the var available just to the function scope and not global scope.
try my code declare the var hi in function you will understand.

Answer 8

lol

Answer 9

yes!

Answer 10

заюзай var.

var a = 1;

var сделает переменную доступной вне функции. //не уверен, что это ещё работает.

но лучше возвратить переменную.

var i = 1;
function test(){
var i = 2;
return i;
}
i = test();