Done

index.js

@@ -0,0 +1,46 @@
+function takeANumber(currentLine, newPersonName) {
+  // Take new customer name in
+
+  // Push new customer to end of array
+  currentLine.push(newPersonName);
+  var positionInLine = currentLine.indexOf(newPersonName) + 1;
+
+  var welcomeMessage = "Welcome, " + newPersonName + ". You are number " + positionInLine + " in line.";
+
+  return welcomeMessage;
+}
+
+function nowServing(currentLine) {
+  // If nobody in line, return "There is nobody waiting to be served!"
+  if (currentLine.length === 0) {
+    return "There is nobody waiting to be served!";
+  }
+
+  // Remove first person in line
+  var firstInLine = currentLine.shift();
+  // Return first person in line
+  return "Currently serving " + firstInLine + ".";
+}
+
+function currentLine(currentLine) {
+    if (currentLine.length === 0) {
+        return "The line is currently empty.";
+    }
+    // Create line message
+    var fullLineMessage = "The line is currently: ";
+
+    // Populate names from currentLine into line message
+    for (var i = 0; i < currentLine.length; i++) {
+        // Making the end message look nice without extra ',' at the end
+        if (i === currentLine.length - 1) {
+            var currentName = currentLine[i];
+            fullLineMessage += i+1 + ". " + currentName;
+        } else {
+            var currentName = currentLine[i];
+            fullLineMessage += i+1 + ". " + currentName + ", ";
+        }
+    }
+
+    // Return line message
+    return fullLineMessage;
+}