JSFiddle - React, Tailwind, and code Playground

by skram

HTML

<span class="jse_article_title">Title 1</span>
<span class="jse_article_title">Title 2</span>
<span class="jse_article_title">Title 3</span>
<span class="jse_article_title">Title 4</span>
<span class="jse_article_title">Title 5</span>

JavaScript

$('.jse_article_title').text(function () {
    return this.innerHTML.replace(/ /g, '_');
});