Browser wrong javascript float calculation?

Question

If you put this in the browser address bar (firefox/IE8):

javascript:alert(40.34+56.87)

Why the result comes as 97.2100000000001
when its supposed to be 97.21

See [Is floating-point math broken?](http://stackoverflow.com/q/588004/1864610) — , Mar 19 '15 at 22:15

score -2 · Answer 1 · edited Mar 20 '15 at 00:29

-2

javascript:alert((40.34+56.87).toFixed(2))

edited Mar 20 '15 at 00:29

gustavohenke

answered Mar 19 '15 at 22:24

Andrew Schneider

1 Answers1