[script] 소수점 자리수

http://www.w3schools.com/jsref/jsref_tofixed.asp

var num = new Number(13.3714); document.write(num.toFixed()+"<br />"); document.write(num.toFixed(1)+"<br />"); document.write(num.toFixed(3)+"<br />"); document.write(num.toFixed(10)); >> 13 13.4 13.371 13.3714000000