JSFiddle - React, Tailwind, and code Playground

by Felipe Kautzmann

HTML

<p> first Paragraph </p>
<p> second Paragraph </p>
<p> thir Paragraph </p>

CSS

p:first-line
{
    background-color: #F43FFE;
}

JavaScript

var elem = $("p:first").text();

elem = elem.toLowerCase().replace(/\b[a-z]/g, function(letter) {
            return letter.toUpperCase();
        });

$( "p:first" ).text(elem);