方法1:
var number = 123.4567 number.toString().replace(/^(\d+\.\d{2})\d*$/,"$1") //结果:123.45
方法2:
var number = 123.4567 number.toFixed(2); //结果:123.46 //IE 5.5以上
方法3:
var number=123.4567 Math.round(parseFloat(number) * 100) / 100 //结果:123.46
方法1:
var number = 123.4567 number.toString().replace(/^(\d+\.\d{2})\d*$/,"$1") //结果:123.45
方法2:
var number = 123.4567 number.toFixed(2); //结果:123.46 //IE 5.5以上
方法3:
var number=123.4567 Math.round(parseFloat(number) * 100) / 100 //结果:123.46