JSFiddle - React, Tailwind, and code Playground

HTML

<p>Husband/Wife</p>

CSS

p {
  font-size: 3em;
  background: skyblue;
}

JavaScript

var s = document.getElementsByTagName("p")[0].innerHTML;
s = s.replace("/","/<wbr>"); 
document.getElementsByTagName("p")[0].innerHTML = s;