30秒学会 JavaScript 片段 – Number to decimal mark

Converts a number to a decimal mark formatted string.

• Use Number.prototype.toLocaleString() to convert the number to decimal mark format.

代码实现

const toDecimalMark = num => num.toLocaleString('en-US');

toDecimalMark(12305030388.9087); // '12,305,030,388.909'

翻译自：https://www.30secondsofcode.org/js/s/number-to-decimal-mark