JSFiddle - React, Tailwind, and code Playground

HTML

<div id="my-div">blah blah blah blah blah</div>

CSS

span { color: yellow; }

JavaScript

var words=$("#my-div").text().split(' ');
for(var i = 0; i < words.length; i++)
{
    words[i] = "<span>"+words[i]+"</span>";
}
var newHTML = words.join(" ");
$("#my-div").html(newHTML);