adding chapter2 code

bethrobson · bethrobson · commit 439edf8df0ae · 2013-04-22T20:43:11.000-07:00
diff --git a/chapter2/battleship-final.js b/chapter2/battleship-final.js
@@ -0,0 +1,37 @@
+// Ready Bake Code
+function logToBrowser(message) {
+    var results = document.getElementById("results");
+    results.innerHTML = results.innerHTML + "<br>" + message;
+}
+
+var randomLoc = Math.floor(Math.random() * 5);
+var location1 = randomLoc;
+var location2 = location1 + 1;
+var location3 = location2 + 1;
+var guess; 
+var hits = 0;
+var guesses = 0;
+var isSunk = false;
+
+while (isSunk == false) { 
+    guess = prompt("Ready, aim, fire! (enter a number from 0-6):");
+    if (guess < 0 || guess > 6) {  
+       logToBrowser("Please enter a valid cell number!");
+	} else {
+      guesses = guesses + 1;
+
+      if (guess == location1 || guess == location2 || guess == location3) {
+          logToBrowser("HIT!");
+          hits = hits + 1;
+          if (hits == 3) {
+            isSunk = true;
+            logToBrowser("You sank my battleship!");
+          }
+      } else {
+         logToBrowser("MISS");
+      }
+    }
+} 
+var stats = "You took " + guesses + " guesses to sink the battleship, " +
+               "which means your shooting accuracy was " + (3/guesses);
+logToBrowser(stats);
diff --git a/chapter2/battleship.html b/chapter2/battleship.html
@@ -0,0 +1,12 @@
+<!doctype html>
+<html>
+<head>
+<title>Battleship</title>
+<meta charset="utf-8">
+</head>
+<body>
+<h1>Play battleship!</h1>
+<div id="results"></div>
+<script src="battleship.js"></script>
+</body>
+</html>
diff --git a/chapter2/battleship.js b/chapter2/battleship.js
@@ -0,0 +1,43 @@
+// Ready Bake Code
+function logToBrowser(message) {
+    var results = document.getElementById("results");
+    results.innerHTML = results.innerHTML + "<br>" + message;
+	console.log(message);
+	alert(message);
+}
+
+function getUserInput() {
+	var input = prompt("Ready, aim, fire! (enter a number from 0-6):");
+	return input;
+}
+
+var location1 = 3;
+var location2 = 4;
+var location3 = 5;
+var guess; 
+var hits = 0;
+var guesses = 0;
+var isSunk = false;
+
+while (isSunk == false) { 
+    guess = getUserInput();
+    if (guess < 0 || guess > 6) {  
+       logToBrowser("Please enter a valid cell number!");
+	} else {
+      guesses = guesses + 1;
+
+      if (guess == location1 || guess == location2 || guess == location3) {
+          logToBrowser("HIT!");
+          hits = hits + 1;
+          if (hits == 3) {
+            isSunk = true;
+            logToBrowser("You sank my battleship!");
+          }
+      } else {
+         logToBrowser("MISS");
+      }
+    }
+} 
+var stats = "You took " + guesses + " guesses to sink the battleship, " +
+               "which means your shooting accuracy was " + (3/guesses);
+logToBrowser(stats);
