javascript 操作dom
ECMAScript基础：numberObject.toFixed(2); 填充到两位小数var numberObject = new Number(9);numberObject.toFixed(2); outputs 9.00st
4小时前00
ECMAScript基础：numberObject.toFixed(2); 填充到两位小数var numberObject = new Number(9);numberObject.toFixed(2); outputs 9.00st