How to format a float in javascript?

Question

In JavaScript, when converting from a float to a string, how can I get just 2 digits after the decimal point? For example, 0.34 instead of 0.3445434.

Answer 1

var result = Math.round(original*100)/100;

The specifics, in case the code isn't self-explanatory.

edit: ...or just use toFixed, as proposed by Tim Büthe. Forgot that one, thanks (and an upvote) for reminder :)