JSFiddle - React, Tailwind, and code Playground

HTML

<div class=somediv>
   <div class="jn Gs">Linus Torvalds</div>
   <div class="jn Gs">I'm sexy and I know it</div>
   <div class="jn Gs">Lorem ipsum</div>


</div>

JavaScript

var divs = document.getElementsByTagName('div');

for (var i=0, len=divs.length; i<len; i++){
    var current = divs[i];
    if (current.className == 'jn Gs') {
        switch (current.firstChild.nodeValue) {
            case 'Linus Torvalds':
                current.firstChild.nodeValue = 'The ' + current.firstChild.nodeValue;
                break;
            case "I'm sexy and I know it":
                 current.firstChild.nodeValue += ' sure';
                 break;
            default:
                current.firstChild.nodeValue += ' WTF';
                 break;
         }
    }
}