replace(reg,'$1'); num = toDecimal2(num) return num }; 元转分 - 解决精度问题 yuan:要转换的钱,单位元; digit:转换倍数 export const regYuanToFen = (yuan:number,digit:number) =>{ var m=0, s1=yuan.toString(), s2=digit.toString(); try{m+=s1.split(".")[1].length}catch(e){...
alert("保留2位小数:"+ toDecimal(3.14159267)); alert("强制保留2位小数:"+ toDecimal2(3.14159267)); alert("保留2位小数:"+ toDecimal(3.14559267)); alert("强制保留2位小数:"+ toDecimal2(3.15159267)); alert("保留2位小数:"+ fomatFloat(3.14559267, 2)); alert("保留1位小数:"+ fomatFloat(3....
强制保留 2 位小数,如:2,会在 2 后面补上 00. 即 2.00 exportconsttoDecimal2=x=>{letf=parseFloat(x);if(isNaN(f)){returnfalse;}letf=Math.round(x*100)/100;lets=f.toString();letrs=s.indexOf('.');if(rs<0){rs=s.length;s+='.';}while(s.length<=rs+2){s+='0';}returns;} ...
var num=3.446242342;num=num.toFixed(2);如果不希望四舍五入，则：var num=3.446242342;num=parseInt(num*100)/100;
function keepTwoDecimal(num) { var result = parseFloat(num); if (isNaN(result)) { alert('传递参数错误,请检查!'); return false; } result = Math.round(num * 100) / 100; return result; } //四舍五入保留2位小数(不够位数,则用0替补) ...
* @param {number} decimalDigit 小数点后最多位数,默认为2 * @return {string} 加上单位后的数字 */functionaddWan(integer,number,mutiple,decimalDigit){vardigit=getDigit(integer);if(digit>3){varremainder=digit%8;if(remainder>=5){// ‘十万’、‘百万’、‘千万’显示为‘万’remainder=4;}ret...
[0-9]*/,'$1');//只保留2位小数if(t=='-'){obj.value='-'+obj.value;}}// 输入框正则校验,只能输入正负整数、正负小数、0export functionhandleIntegerDecimal2(event,num,intNum){//整数部分保留默认10位intNum=intNum||10;letdigit=num||2;//小数位数,默认小数点后两位letobj=event.target;...
1) //round "original" to two decimals var result=Math.round(original*100)/100; //returns 28.45 2) // round "original" to 1 decimal var result=Math.round(original*10)/10; //returns 28.5 第⼆种，js1.5以上可以利⽤toFixed(x) ，可指定数字截取⼩数点后 x位 3) //round "...
Work with large numbers on the client side. Round them off to any required precision.. Latest version: 2.2.0, last published: 2 months ago. Start using js-big-decimal in your project by running `npm i js-big-decimal`. There are 83 other projects in the n
let [integerPart, decimalPart] = num.toString().split('.'); let result = ''; // 处理整数部分 let integerStr = ''; let zeroFlag = false; for (let i = integerPart.length - 1; i >= 0; i--) { let digit = integerPart[i]; ...