使用JavaScript以印度格式显示数字
我在印度编号系统中显示以下代码。
 var x=125465778; var res= x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
正在获取此输出:125,465,778。
我需要这样的输出:12,54,65,778。
请帮我解决这个问题。
回答:
对于整数:
    var x=12345678;    x=x.toString();
    var lastThree = x.substring(x.length-3);
    var otherNumbers = x.substring(0,x.length-3);
    if(otherNumbers != '')
        lastThree = ',' + lastThree;
    var res = otherNumbers.replace(/\B(?=(\d{2})+(?!\d))/g, ",") + lastThree;
    alert(res);
对于浮点数:
    var x=12345652457.557;    x=x.toString();
    var afterPoint = '';
    if(x.indexOf('.') > 0)
       afterPoint = x.substring(x.indexOf('.'),x.length);
    x = Math.floor(x);
    x=x.toString();
    var lastThree = x.substring(x.length-3);
    var otherNumbers = x.substring(0,x.length-3);
    if(otherNumbers != '')
        lastThree = ',' + lastThree;
    var res = otherNumbers.replace(/\B(?=(\d{2})+(?!\d))/g, ",") + lastThree + afterPoint;
    alert(res);
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