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()     } }   removejscssfile("froogaloop2.min.js", "js") //remove all occurences of "somescript.js" on page /*removejscssfile("somestyle.css", "css") //remove all occurences "somestyle.css" on page*/