Provide working solution

app.js

@@ -1 +1,94 @@
-console.log("Javascript is alive!");
+document.addEventListener('DOMContentLoaded',()=>{
+	console.log("Javascript is alive!")
+	var greeting = document.getElementById("greeting")
+	greeting.innerHTML="Hello, World!"
+	var listelements = document.getElementsByTagName("li")
+	for (var i=0;i<listelements.length;i++) {
+		listelements[i].style="background-color:yellow;"
+	}
+	var greeting = document.querySelector("#greeting")
+	
+	var newimg = document.createElement("img")
+	newimg.classList.add("img-changer")
+	newimg.src="http://49.media.tumblr.com/tumblr_m6qt1rjPSz1rxjzkho1_500.gif"
+	greeting.appendChild(newimg)
+	
+	var newlist = document.createElement("ul")
+	newlist.classList.add("todo-items")
+	var listText = ['make coffee','eat donut','change diapers','drive to work']
+	for (task of listText) {
+		var todoItem = document.createElement("li")
+		todoItem.innerHTML = task
+		newlist.appendChild(todoItem)
+	}
+	document.body.appendChild(newlist)
+	
+	
+	var clickSelector = (event)=>{
+		var listitems = document.getElementsByTagName("li");
+		for (var i=0;i<listelements.length;i++) {
+			var item = listelements[i];
+			item.classList.remove("selected")
+			//console.log("Removed from "+item)
+		}
+		event.target.classList.add("selected")
+		var changer = document.querySelector("img:not(.img-changer)")
+		changer.src = "./images/"+event.target.innerHTML+".jpeg"
+	}
+	
+	listelements = document.getElementsByTagName("li")
+	for (var i=0;i<listelements.length;i++) {
+		if (!listelements[i].parentElement.classList.contains("todo-items")) {
+			listelements[i].addEventListener("click",clickSelector)
+		}
+	}
+	
+	document.getElementById("reset").addEventListener("click",(event)=>{
+		var selectedItem = document.querySelector(".selected")
+		selectedItem.classList.remove("selected")
+		var changer = document.querySelector("img:not(.img-changer)")
+		changer.src = "./images/panic.jpeg"
+	})
+	
+	document.getElementById("ghosting").addEventListener("mouseover",(event)=>{
+		event.target.remove()
+	})
+	document.getElementById("resize").addEventListener("mouseover",(event)=>{
+		event.target.style.width=event.target.offsetWidth*2+"px"
+	})
+	document.getElementById("resize").addEventListener("mouseout",(event)=>{
+		event.target.style.width=event.target.offsetWidth/2+"px"
+	})
+	var keySequence = []
+	
+	var arrayMatches = (arr1,arr2)=>{
+		if (arr1.length!=arr2.length) {
+			return false;
+		}
+		for (var i=0;i<arr1.length;i++) {
+			if (arr1[i]!==arr2[i]) {
+				return false;
+			}
+		}
+		return true;
+	}
+	
+	window.addEventListener("keydown",(event)=>{
+		var keysListeningFor = [0,1,2,3,4,5,6,7,8,9]
+		if (keysListeningFor.includes(Number(event.key))) {
+			alert("I HATE NUMBERZZZ!")
+		}
+		keySequence.push(event.key)
+		if (keySequence.length>10) {
+			keySequence = keySequence.slice(1,11)
+		}
+		var konamiCodeArray = ["up","up","down","down","left","right","left","right","b","a"]
+		if (arrayMatches(konamiCodeArray,keySequence.map(val=>{
+			var newval = val.replace("Arrow","")
+			newval = newval[0].toLowerCase() + newval.substr(1)
+			return newval
+		}))) {
+			alert("YOU ARE AN EVENT HANDLER GURUUUUUUUUU!")
+		}
+	})
+})