JSFiddle - React, Tailwind, and code Playground
by alex_ball
HTML
<div class="view-content">
<div class="first">content</div>
<div class="first">content</div>
<div class="second">content</div>
<div class="third">content</div>
<div class="third">content</div>
</div>
<div class="out"></div>
JavaScript
var arr = $(".view-content div").map(function() { return $(this).attr('class'); }).get();
var results = $.unique(arr);
var i;
for(i = 0; i < results.length; i++){
$('.out').append('<div class="columns"></div>');
$('.'+results[i]).clone().appendTo('.columns:last');
}
alert($('.out').html());