JSFiddle - React, Tailwind, and code Playground

HTML

<span class="WorkingHours">
   M,W,Th,F 7:30 AM - 4:00 PM &lt;br /&gt;Tu 7:30 AM - 6:00 PM &lt;br /&gt;
</span>

JavaScript

$('.WorkingHours').text(function(i, text) {
    return text.replace(/<br \/>/g, " ")
});