javascript 正则表达式
ECMAScript基础：numberObject.toFixed(2); 填充到两位小数var numberObject = new Number(9);numberObject.toFixed(2); outputs 9.00str
4小时前10
ECMAScript基础：numberObject.toFixed(2); 填充到两位小数var numberObject = new Number(9);numberObject.toFixed(2); outputs 9.00str