js 千分位(分转元,万转元...)
function price(a){ var num = Number(a); if(!num){//等于0 return num+'.00'; }else{//不等于0 num = Math.round((num)*100)/10000; num = num.toFixed(2); num+='';//转成字符串 var reg=num.indexOf('.') >-1 ? /(\d{1,3})(?=(?:\d{3})+\.)/g : /(\d{1,3})(?=(?:\d{3})+$)/g;//千分符的正则 console.log(num.indexOf('.')>-1) return num.replace(reg, '$1,')//千分位格式化 } }