function roundNumber(number,decimals) { var newString;// The new rounded number decimals = Number(decimals); if (decimals < 1) { newString = (Math.round(number)).toString(); }else { var numString = number.toString(); if (numString.lastIndexOf(".") == -1) {// If there is ...
1//浮点数保留两位小数2//1.功能:将浮点数四舍五入,取小数点后2位3functiontoDecimal(x){4varf=parseFloat(x);5if(isNaN(f)){6return;7}8f=Math.round(x*100)/100;9returnf;10}11console.log(toDecimal(3.1465926));// 3.1512console.log(typeoftoDecimal(3.1415926));//number 2、强制保留2位小...
数字显示两位小数点通常涉及到数字的格式化。在JavaScript中,Number 类型提供了 toFixed() 方法,它可以将数字转换为字符串,并保留指定的小数位数。 相关优势 易于理解:toFixed() 方法简单直观,容易上手。 格式化输出:可以确保数字总是以特定的小数位数显示,便于阅读和比较。 类型 toFixed() 方法:这是最常用的方法,...
对于小数点位数大于2位的,用上面的函数没问题,但是如果小于2位的,比如:changeTwoDecimal(3.1),将返回3.1,如果你一定需要3.10这样的格式,那么需要下面的这个函数: function changeTwoDecimal_f(x) { var f_x = parseFloat(x); if (isNaN(f_x)) { alert('function:changeTwoDecimal->parameter error'); retu...
0,则保留一位小数)2functionkeepTwoDecimal(num) {3varresult =parseFloat(num);4if(isNaN(result)) {5alert('传递参数错误,请检查!');6returnfalse;7}8result = Math.round(num * 100) / 100;9returnresult;10};11keepTwoDecimal(num);12console.log(num);//2.4413console.log(typeofnum);//number...
1. function roundNumber(number,decimals) { 2. var newString;// The new rounded number 3. decimals = Number(decimals);4. if (decimals < 1) { 5. newString = (Math.round(number)).toString();6. } else { 7. var numString = number.toString();8. if (numStr...
("123/45"); // A rational number represented as two decimals, separated by a slash new Fraction("123:45"); // A rational number represented as two decimals, separated by a colon new Fraction("4 123/45"); // A rational number represented as a whole number and a fraction new ...
While (s_x.length <= pos_decimal + 2) { S_x + = '0 '; } Return s_x; } Function: rounds a floating point number to two digits after the decimal point. If there are less than two digits, the value is 0. This function returns the string format. ...
Returns the string value of the decimal. console.log(n2.getValue());// "12345.6789" setValue() Allows setting the BigDecimal to a new value. varn=newbigDecimal('123');n.setValue('567');console.log(n.getValue());// 567 getPrettyValue(number, digits, separator) ...
removeNodeErrorCount: If connection fails, node'serrorCountincreases. WhenerrorCountis greater thanremoveNodeErrorCount, remove a node in thePoolCluster. (Default:5) restoreNodeTimeout: If connection fails, specifies the number of milliseconds before another connection attempt will be made. If set ...