First Draft

First Draft of the Example Files

16/01.html

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+<script>
+  displayItems("Dog", "Cat", "Pony", "Hamster", "Tortoise")
+
+  function displayItems(v1, v2, v3, v4, v5)
+  {
+    document.write(v1 + "<br>")
+    document.write(v2 + "<br>")
+    document.write(v3 + "<br>")
+    document.write(v4 + "<br>")
+    document.write(v5 + "<br>")
+  }
+</script>

16/02.html

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+<script>
+  function displayItems()
+  {
+    for (j = 0 ; j < displayItems.arguments.length ; ++j)
+      document.write(displayItems.arguments[j] + "<br>")
+  }
+</script>

16/03.html

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+<script>
+  document.write(fixNames("the", "DALLAS", "CowBoys"))
+
+  function fixNames()
+  {
+    var s = ""
+
+    for (j = 0 ; j < fixNames.arguments.length ; ++j)
+      s += fixNames.arguments[j].charAt(0).toUpperCase() +
+           fixNames.arguments[j].substr(1).toLowerCase() + " "
+
+    return s.substr(0, s.length-1)
+  }
+</script>

16/04.html

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+<script>
+  words = fixNames("the", "DALLAS", "CowBoys")
+
+  for (j = 0 ; j < words.length ; ++j)
+    document.write(words[j] + "<br>")
+	
+  function fixNames()
+  {
+    var s = new Array()
+
+    for (j = 0 ; j < fixNames.arguments.length ; ++j)
+      s[j] = fixNames.arguments[j].charAt(0).toUpperCase() +
+             fixNames.arguments[j].substr(1).toLowerCase()
+
+    return s
+  }
+</script>

16/05.html

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+<script>
+  function User(forename, username, password)
+  {
+    this.forename = forename
+    this.username = username
+    this.password = password
+
+    this.showUser = function()
+    {
+      document.write("Forename: " + this.forename + "<br>")
+      document.write("Username: " + this.username + "<br>")
+      document.write("Password: " + this.password + "<br>")
+    }
+  }
+</script>

16/06.html

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+<script>
+  function User(forename, username, password)
+  {
+    this.forename = forename
+    this.username = username
+    this.password = password
+    this.showUser = showUser
+  }
+
+  function showUser()
+  {
+    document.write("Forename: " + this.forename + "<br>")
+    document.write("Username: " + this.username + "<br>")
+    document.write("Password: " + this.password + "<br>")
+  }
+</script>

16/07.html

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+<script>
+  function User(forename, username, password)
+  {
+    this.forename = forename
+    this.username = username
+    this.password = password
+
+    User.prototype.showUser = function()
+    {
+      document.write("Forename: " + this.forename + "<br>")
+      document.write("Username: " + this.username + "<br>")
+      document.write("Password: " + this.password + "<br>")
+    }
+  }
+</script>

16/08.html

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+<script>
+  numbers = []
+  numbers.push("One")
+  numbers.push("Two")
+  numbers.push("Three")
+
+  for (j = 0 ; j < numbers.length ; ++j)
+    document.write("Element " + j + " = " + numbers[j] + "<br>")
+</script>

16/09.html

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+<script>
+  balls = {"golf":   "Golf balls, 6",
+           "tennis": "Tennis balls, 3",
+           "soccer": "Soccer ball, 1",
+           "ping":   "Ping Pong balls, 1 doz"}
+
+  for (ball in balls)
+    document.write(ball + " = " + balls[ball] + "<br>")
+</script>

16/10.html

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+<script>
+  checkerboard = Array(
+    Array(' ', 'o', ' ', 'o', ' ', 'o', ' ', 'o'),
+    Array('o', ' ', 'o', ' ', 'o', ' ', 'o', ' '),
+    Array(' ', 'o', ' ', 'o', ' ', 'o', ' ', 'o'),
+    Array(' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '),
+    Array(' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '),
+    Array('O', ' ', 'O', ' ', 'O', ' ', 'O', ' '),
+    Array(' ', 'O', ' ', 'O', ' ', 'O', ' ', 'O'),
+    Array('O', ' ', 'O', ' ', 'O', ' ', 'O', ' '))
+
+  document.write("<pre>")
+
+  for (j = 0 ; j < 8 ; ++j)
+  {
+    for (k = 0 ; k < 8 ; ++k)
+      document.write(checkerboard[j][k] + " ")
+
+    document.write("<br>")
+  }
+
+  document.write("</pre>")
+</script>

16/11.html

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+<script>
+  pets = ["Cat", "Dog", "Rabbit", "Hamster"]
+  pets.forEach(output)
+
+  function output(element, index, array)
+  {
+    document.write("Element at index " + index + " has the value " +
+      element + "<br>")
+  }
+</script>

16/12.html

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+<script>
+  pets = ["Cat", "Dog", "Rabbit", "Hamster"]
+
+  document.write(pets.join()      + "<br>")
+  document.write(pets.join(' ')   + "<br>")
+  document.write(pets.join(' : ') + "<br>")
+</script>

16/13.html

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+<script>
+  sports = ["Football", "Tennis", "Baseball"]
+  document.write("Start = "      + sports +  "<br>")
+
+  sports.push("Hockey");
+  document.write("After Push = " + sports +  "<br>")
+
+  removed = sports.pop()
+  document.write("After Pop = "  + sports +  "<br>")
+  document.write("Removed = "    + removed + "<br>")
+</script>

16/14.html

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+<script>
+  numbers = []
+
+  for (j=1 ; j<6 ; ++j)
+  {
+    if (j == 2 || j == 5)
+    {
+      document.write("Processing 'todo' #" + j + "<br>")
+    }
+    else
+    {
+      document.write("Putting off 'todo' #" + j + " until later<br>")
+      numbers.push(j)
+    }
+  }
+
+  document.write("<br>Finished processing the priority tasks.")
+  document.write("<br>Commencing stored tasks, most recent first.<br><br>")
+
+  document.write("Now processing 'todo' #" + numbers.pop() + "<br>")
+  document.write("Now processing 'todo' #" + numbers.pop() + "<br>")
+  document.write("Now processing 'todo' #" + numbers.pop() + "<br>")
+</script>

16/15.html

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+<script>
+  sports = ["Football", "Tennis", "Baseball", "Hockey"]
+  sports.reverse()
+  document.write(sports)
+</script>

16/16.html

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+<script>
+  // Alphabetical sort
+  sports = ["Football", "Tennis", "Baseball", "Hockey"]
+  sports.sort()
+  document.write(sports + "<br>")
+
+  // Reverse alphabetical sort
+  sports = ["Football", "Tennis", "Baseball", "Hockey"]
+  sports.sort().reverse()
+  document.write(sports + "<br>")
+
+  // Ascending numeric sort
+  numbers = [7, 23, 6, 74]
+  numbers.sort(function(a,b){return a - b})
+  document.write(numbers + "<br>")
+
+  // Descending numeric sort
+  numbers = [7, 23, 6, 74]
+  numbers.sort(function(a,b){return b - a})
+  document.write(numbers + "<br>")
+</script>