DecimalConverter+num: Number+strNum: String+decimalNum: Number+formattedNum: String+toString() : String+toFixed() : String+Number() : Number 结论 通过上述步骤,你已经了解了如何使用 JavaScript 进行 Decimal 转换的基本流程。你学会了如何定义数字、将数字转换为字符串、使用Number()函数进行转换,并且通过t...
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:" + foma...
问将JavaScript字符串变量转换为decimal/moneyEN您还可以使用Number构造函数/函数(不需要基数，可用于整数和...
T "T" appears literally in the string, to indicate the beginning of the time element. HH is the number of complete hours that have passed since midnight as two decimal digits from 00 to 24. : ":" (colon) appears literally twice in the string. mm is the number of complete minutes sin...
decimal _decimal1 = Convert.ToDecimal(_null); // 可以转换为 0 double _double1 = Convert.ToDouble(_null); // 可以转换为 0 float _float = Convert.ToSingle(_null); // 可以转换为 0 string _string = Convert.ToString(_null); // 可以转换为 空字符串 ...
以下将为大家介绍JavaScript保留两位小数的三种实现方法。 目录 1、利用toFixed () 方法 2、利用Math.floor () 方法 3、利用正则表达式方法 1、利用toFixed () 方法 代码语言:javascript 代码运行次数:0 varnum=3.1415926;num=num.toFixed(2);console.log(num);// 输出结果:3.14 ...
functionc2To10(binaryStr =''){if(typeofbinaryStr !=='string'|| binaryStr ==='') {returnNaN}const[ binIntStr, binDecStr ] = binaryStr.split('.')letbinDecimal =0if(binDecStr) {binDecimal = [...binDecStr].reduce((res, val, index) =>{...
实例 function roundNumber(number, decimals) { const factor = 10 ** decimals; return Math.round(number * factor) / factor; } let num2 = 0.615; console.log(roundNumber(num2, 2)); // 输出 "0.62"JavaScript Number 对象JavaScript Math 对象 JavaScript String 对象 ...
function (name) { let sex; const pet = { // 在这个上下文中:setName(newName) 等价于 setName: function (newName) setName(newName) { name = newName; }, getName() { return name; }, getSex() { return sex; }, setSex(newSex) { if ( typeof newSex === "string" && (newSex...
String values in binary, hexadecimal or octal notation are also accepted if the appropriate prefix is included. x =newDecimal('0xff.f')// '255.9375'y =newDecimal('0b10101100')// '172'z = x.plus(y)// '427.9375'z.toBinary()// '0b110101011.1111'z.toBinary(13)// '0b1.101010111111...