Clean up classes before exiting them

public/src/js/titlescreen.js

@@ -1,53 +1,24 @@
-function Titlescreen(){
-    
-    var _this = this;
-	$("body").css("font-family", "TnT");
-	
-	this.positionning = function(){
-		
-		var width =  0.70*$(window).width();
-		var logoW = (width>=654) ? 654 : width;
-		var logoH = logoW/2.18;
-		
-		$("#logo-big-cont").width(logoW);
-		$("#logo-big-cont").height(logoH);
-		$("#logo-big-cont").css("left", $(window).width()/2-($("#logo-big-cont").width()/2));
-		$("#logo-big-cont").css("top", $(window).height()/2-($("#logo-big-cont").height()/2));
-		
+class Titlescreen{
+	constructor(){
+		loader.changePage("titlescreen")
+		this.titleScreen = document.getElementById("title-screen")
+		pageEvents.keyOnce(this, 13, "down").then(this.goNext.bind(this))
+		pageEvents.once(this.titleScreen, "click").then(this.goNext.bind(this))
+		assets.sounds["title"].play()
 	}
-    
-    this.run = function(){
-        
-        $(document).keypress(function(e){
-            if(e.keyCode==13 && $("#screen").find("#title-screen").html())
-                _this.goNext();
-        });
-
-		$("#screen").find("#title-screen").click(function(){
-			_this.goNext();
-		});
-		
-		
-		_this.positionning();
-		$("#screen").find("#title-screen").show();
-		$(window).resize(_this.positionning);		
-
-		assets.sounds["title"].play();
-
-    }
-    
-    this.goNext = function(){
-    	assets.sounds["title"].pause();
-    	assets.sounds["title"].currentTime = 0;
-
-		assets.sounds["don"].play();
-        if (localStorage.getItem('tutorial') !== 'true') {
-        	new Tutorial();
-        } else {
-        	new SongSelect();
-        };
-    }
-    
-	$("#screen").load("/src/views/titlescreen.html", _this.run);
-	
-}
+	goNext(){
+		this.clean()
+		assets.sounds["don"].play()
+		if(localStorage.getItem("tutorial") !== "true"){
+			new Tutorial()
+		} else {
+			new SongSelect()
+		}
+	}
+	clean(){
+		assets.sounds["title"].stop()
+		pageEvents.keyRemove(this, 13)
+		pageEvents.remove(this.titleScreen, "click")
+		delete this.titleScreen
+	}
+}