var num = 1.257123154315;num = num.toFixed(2);console.log(num);
保留小数点后四位
var num = 1.257123154315;num = num.toFixed(4);console.log(num);
时间:2022-12-04 01:46:37
var num = 1.257123154315;num = num.toFixed(2);console.log(num);
保留小数点后四位
var num = 1.257123154315;num = num.toFixed(4);console.log(num);