dynamicJSLoad.js

window.onload = function() {

}

function removejscssfile(filename, filetype){
 var targetelement=(filetype=="js")? "script" : (filetype=="css")? "link" : "none" //determine element type to create nodelist from
 var targetattr=(filetype=="js")? "src" : (filetype=="css")? "href" : "none" //determine corresponding attribute to test for
 var allsuspects=document.getElementsByTagName(targetelement)
 for (var i=allsuspects.length; i>=0; i--){ //search backwards within nodelist for matching elements to remove
  if (allsuspects[i] && allsuspects[i].getAttribute(targetattr)!=null && allsuspects[i].getAttribute(targetattr).indexOf(filename)!=-1)
   allsuspects[i].parentNode.removeChild(allsuspects[i]) //remove element by calling parentNode.removeChild()
 }
}

function OnLoad(){

	var script = document.createElement('script');
	script.onload = function () {
    console.log("Script Loaded");
    loadFile();
	removejscssfile("js/load.js", "js");
	loadFile();
	};
	script.src = "js/load.js";

	document.head.appendChild(script); //or something of the likes

}