I have this simple jsfiddle code. And I am confused why I get these results:
for 21 I get 2
for 23 I get 1,999999999998
for 25 I get 2
for 28 I get 1,999999999998
for 18 I get 1
for 38 I get 3
What's up with 23 and 28 ?
Code:
var x = prompt(x);
x = x/10 - x%10 / 10;
alert(x);