JSFiddle - React, Tailwind, and code Playground

by marsone

HTML

<p>The DOM is very useful!</p>
<p>This example demonstrates the <b>getElementsByTagName</b> method.</p>

CSS

.blue {
    color:black;
    background:red;
}
.highlight {
    background:yellow;
}

JavaScript

var myHTML=document.getElementsByTagName("p");
myHTML[0].innerHTML="Text of first paragraph:Hello World "+myHTML[0].innerHTML;