Dynamically loading a HTML5 video element with JavaScript

dynamicvideo.js

function loadVid(){
    
    	var videourl = 'urltoyourvideo here'; // set the url to your video file here
    	var videocontainer = '#videocontainer'; // set the ID of the container that you want to insert the video in
	var parameter = new Date().getMilliseconds();  //  generate variable based on current date/time
	
	var video = '<video width="1102" height="720" id="intro-video" autoplay loop src="' + videourl + '?t=' + parameter + '"></video>'; // setup the video element

	$(videocontainer).append(video); // insert the video element into its container
	
	videl = $(document).find('#intro-video')[0]; // find the newly inserterd video
			
	videl.load(); // load the video (it will autoplay because we've set it as a parameter of the video)
	
}

I think that you would to change the title of your code to "Dynamically loading a HTML5 video element with JQuery or similar library".
This is not pure javascript like this:

var node = document.getElementById(videocontainer);
node.appendChild(video);
var videl = document.getElementById('#intro-video');
videl.load();

No dependencies using your variables.