JavaScript rounding up to get 2nd decimal place 0

Question

How am I to get second decimal place 0?

For example:

15.296326 => 15.30
15.245152 => 15.20

I have tried toFixed() and Math.Floor but could not get the expected answer.

What rounding algorithm do you use? How is it possible to derive `15.50` out of `15.245152`? — VisioN, Mar 25 '13 at 11:55

score 3 · Accepted Answer · answered Mar 25 '13 at 11:57

3

function roundFloat(n) {
    return (Math.round(n * 10) / 10).toFixed(2);
}

roundFloat(15.296326);  // "15.30"
roundFloat(15.245152);  // "15.20"

answered Mar 25 '13 at 11:57

VisioN

1 Answers1