Javascriptで数値の3桁区切りを実装 - Qiitafunction addFigure(str) { var num = new String(str).replace(/,/g, ""); while(num != (num = num.replace(/^(-?\d+)(\d{3})/, "$1,$2"))); return num; } Register as a new user and use Qiita more conveniently You get articles that match your needsYou can efficiently read back useful informationYou can use dark themeWhat you can do with signing up
