js千分位显示(含小数点)

function fomatMoney(s, n) {
n = n > 0 && n <= 20 ? n : 2;
s = parseFloat((s + '').replace(/[^\d\.-]/g, '')).toFixed(n) + '';
var l = s.split('.')[0].split('').reverse(),
r = s.split('.')[1];
var t = '';
for (var i = 0; i < l.length; i++) {
t += l[i] + ((i + 1) % 3 == 0 && (i + 1) != l.length ? ',' : '');
}
return t.split('').reverse().join('') + '.' + r;

}

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转载自www.cnblogs.com/daizhipeng/p/13176896.html