how works setTimeout inside a for loop? - JS

Asked Dec 05 '15 at 14:57

Active Dec 05 '15 at 15:00

Viewed 57 times

Why this

for(x = 0; x < 10; x++){
  
  var delay = x;
  
  setTimeout(
    function(){
     $('body').append(delay);
    }, delay)
  
}

Returns this: 9 9 9 9 9 9 9 9 9 9

instead of this : 0 1 2 3 4 5 6 7 8 9

asked Dec 05 '15 at 14:57

nais

The loop doesn't wait for the timeouts to trigger. – Itay Dec 05 '15 at 14:58
How can i get the second output? – nais Dec 05 '15 at 14:59
I would not call it duplicate however your ans is here: http://stackoverflow.com/questions/3583724/how-do-i-add-a-delay-in-a-javascript-loop – Raider Dec 05 '15 at 15:04

0 Answers0