JSFiddle - React, Tailwind, and code Playground

by spliter

HTML

<div class="item">
   <span class="count"></span>
   Text that needs to be wrapped.
</div>

<div class="item">
   <span class="count"></span>
   Text that needs to be wrapped.
</div>

<div class="item">
   <span class="count"></span>
   Text that needs to be wrapped.
</div>

CSS

.item {color: Black}
.new {color: Red}

JavaScript

var markers = document.querySelectorAll('.count'),
    l = markers.length,
    i, txt;

for (i = l - 1; i >= 0; i--) {
    txt = markers[i].nextSibling;
    $(txt).wrap('<span class="new" />');
}