DOM refresh on long running function

Question

I have a button which runs a long running function when it\'s clicked. Now, while the function is running, I want to change the button text, but I\'m having problems in some

Answer 1

SOLVED IT!! No setTimeout()!!!

Tested in Chrome 27.0.1453, Firefox 21.0, Internet 9.0.8112

$("#btn").on("mousedown",function(){
$('#btn').html('working');}).on('mouseup', longFunc);

function longFunc(){
  //Do your long running work here...
   for (i = 1; i<1003332300; i++) {}
  //And on finish....  
   $('#btn').html('done');
}

DEMO HERE!