Limit the amount of number shown after a decimal place in javascript

Question

Hay, i have some floats like these

4.3455
2.768
3.67

and i want to display them like this

4.34
2.76
3.67

Answer 1

Warning! The currently accepted solution fails in some cases, e.g. with 4.27 it wrongly returns 4.26.

Here is a general solution that works always.

(Maybe I should put this as a comment, but at the time of this writing, I don't have the required reputation)