JSFiddle - React, Tailwind, and code Playground

by Chintan Upadhayay

HTML

<h1 style="color:green;">  
            GeeksForGeeks  
        </h1>
    <p id="GFG_UP" 
       style="font-size: 15px; 
              font-weight: bold;">
    </p>
    <button onclick="GFG_Fun()">
        click here
    </button>
    <p id="GFG_DOWN" 
       style="color:green;
              font-size: 20px; 
              font-weight: bold;">
    </p>

CSS

div {
    height: 400px;
}

JavaScript

var up = document.getElementById('GFG_UP');
        var url = 'https://www.youtube.com/playlist?list=PLLasX02E8BPBm1xNMRdvP6GtA6otQUqp0';
        up.innerHTML = "URL = " + url;
        var down = document.getElementById('GFG_DOWN');
  
        function GFG_Fun() {
            VID_REGEX =
/(?:youtube(?:-nocookie)?\.com\/(?:[^\/\n\s]+\/\S+\/|(?:v|e(?:mbed)?)\/|\S*?[?&]v=)|youtu\.be\/)([a-zA-Z0-9_-]{11})/;
            down.innerHTML = "ID = "
            + url.match(VID_REGEX)[1];
        }