js金额四舍五入到角，显示到小数点后两位js金额四舍五入到角，显示到小数点后两位如13.45678 13.50!DOC
js金额四舍五入到角，显示到小数点后两位
js金额四舍五入到角，显示到小数点后两位
如13.45678 ==> 13.50
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title><script type="text/javascript">function cal(obj){var num = parseFloat(obj.value);var valueInt = Math.round(num*10)/10;//toFixed(2)表示精确到小数点后2位document.getElementById("t1").value = valueInt.toFixed(2);}</script></head><body><input type="text" onchange="cal(this)"></input><input id="t1" type="text"></input></body></html>