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  • 10
    With above formula '2.00' returns 2. but I want it to be 2.00. Commented Apr 9, 2015 at 6:08
  • 8
    You can't have it both ways. If you want the output to be a number instead of a string, then you won't get trailing zeros. So you could use the above converted to a string: var twoPlacedFloat = (Math.round(2.002745 * 100) / 100).toFixed(2); Commented Apr 9, 2015 at 19:29
  • 10
    WIll the speed increase if I change 100's to 200's? Commented Aug 13, 2017 at 0:32
  • If the number of floating point operations stay the same the speed will be the same, so no Commented Aug 13, 2017 at 9:24
  • 1
    @ncubica It's about decimal place. If you take 100, then 2 digits after comma, if you take 10, then 1 digit after comma and so on. Commented Nov 28, 2017 at 7:04