JSFiddle - React, Tailwind, and code Playground

by Nikolay Petrov

HTML

<div id="content">
hello what hell hello
</div>

CSS

span {
  background:red;
}

JavaScript

(function() {

		var search = 'hell';
    var container = document.getElementById('content');
    var content = container.innerHTML;
    var highlighted = content.replace(search,'<span>'+search+'</span>');
    
    return (container.innerHTML = highlighted) !== content;
    
})();