function thousandBitSeparator(num){ var re=/\d{1,3}(?=(\d{3})+$)/g; var n1=num.toString().replace(/^(\d+)((\.\d+)?)$/,function(s,s1,s2){return s1.replace(re,"$&,")+s2;}); return n1; }
js添加千位分隔符
原文：https://www.cnblogs.com/xiufengd/p/9026110.html
