코드 - html <div class="tagGroup">일이삼사오육칠팔구십</div> - script $('.tagGroup').each(function(){ var txt = $(this).text(); var len = txt.length; var per = Math.floor(len / 1); $(this).text(txt.slice(0, len-1) + ',' + txt.slice(len-1, len)); for(i = 0; i < per-2 ; i ++){ var txt = $(this).text(); var last = txt.length var com = txt.indexOf(','); var after = txt.slice(0, com); var len = after.length; $(this).text(after.slice(0, len - 1) + ',' + after.slice(len - 1, len) + txt.slice(com, last)); } var txt = $(this).text(); $(this).text(txt.replace(/,/g, '</span><span>')); var txt = $(this).text(); var len = txt.length; $(this).text('<span>' + txt.slice(0, len)); var txt = $(this).text(); var len = txt.length; $(this).text(txt.slice(0, len) + '</span>'); var txt = $(this).text(); $(this).append('<textarea>' + txt + '</textarea>'); $(this).html($(this).find('textarea').val()); });