JSFiddle - React, Tailwind, and code Playground

HTML

<ul>


  <li class="test-class"><label>Address</label>: EXAMPLE ADDRESS HERE</li>
  <li class="test-class"><label>Address</label>: EXAMPLE ADDRESS HERE</li>
  <li class="test-class"><label>Address</label>: EXAMPLE ADDRESS HERE</li>
  <li class="test-class"><label>Address</label>: EXAMPLE ADDRESS HERE</li>

</ul>

JavaScript

document.querySelectorAll('.test-class')[0].textContent = document.querySelectorAll('.test-class')[0].textContent.replace(':', ' ');