JSFiddle - React, Tailwind, and code Playground

by orjan

HTML

<div class="category-1 block"></div>
<div class="category-1 block"></div>
<div class="category-1 block"></div>
<div class="category-1 block"></div>
<div class="category-2 block"></div>
<div class="category-2 block"></div>
<div class="category-2 block"></div>
<div class="category-2 block"></div>
<div class="category-2 block"></div>

CSS

.block {
    width: 50px;
    height: 50px;
    background-color: red;
    margin: 10px;
}
.list {
    border: 1px solid #000;
}
.container-1 {
    background-color: yellow;
}
.container-2 {
    background-color: blue;
}

JavaScript

for (var i = 0, num = $('[class^="category"]').length; i < num; i++) {
    $('.category-' + i).wrapAll('<div class="list container-' + i + '" />');
}