JSFiddle - React, Tailwind, and code Playground

HTML

<input value="CplTXmbJj3g" type="text" id="txtVidID" />

<input type='button' id="btnMain" onclick="getViewsFromYT()" value="Get Video View Count" />

JavaScript

function getViewsFromYT() {
    var sURL = "https://gdata.youtube.com/feeds/api/videos/" + $("#txtVidID").val() + "?v=2&alt=json";
    $.getJSON( sURL, function( data ) {
        var sTitle = data.entry['media$group']['media$title']['$t'];
        var iCount = data.entry['yt$statistics'].viewCount;
        alert(iCount + " views for : " + sTitle);        
        
    });
}