JSFiddle - React, Tailwind, and code Playground

JavaScript

var $Video=$('<video id="Box_Video" controls></video>');
$('body').prepend($Video);

$Video[0].src="http://www.w3schools.com/html/movie.ogg";
$Video[0].load();
                    
$Video[0].addEventListener('loadedmetadata',function(){
	alert(this.videoWidth)
    alert(this.videoHeight)
},false);