Ported TRAIN, TRAP and 23 MATCHES to Javascript

92 Trap/javascript/trap.js

@@ -0,0 +1,102 @@
+// TRAP
+//
+// Converted from BASIC to Javascript by Oscar Toledo G. (nanochess)
+//
+
+function print(str)
+{
+    document.getElementById("output").appendChild(document.createTextNode(str));
+}
+
+function input()
+{
+    var input_element;
+    var input_str;
+    
+    return new Promise(function (resolve) {
+                       input_element = document.createElement("INPUT");
+                       
+                       print("? ");
+                       input_element.setAttribute("type", "text");
+                       input_element.setAttribute("length", "50");
+                       document.getElementById("output").appendChild(input_element);
+                       input_element.focus();
+                       input_str = undefined;
+                       input_element.addEventListener("keydown", function (event) {
+                                                      if (event.keyCode == 13) {
+                                                      input_str = input_element.value;
+                                                      document.getElementById("output").removeChild(input_element);
+                                                      print(input_str);
+                                                      print("\n");
+                                                      resolve(input_str);
+                                                      }
+                                                      });
+                       });
+}
+
+function tab(space)
+{
+    var str = "";
+    while (space-- > 0)
+        str += " ";
+    return str;
+}
+
+// Main control section
+async function main()
+{
+    print(tab(34) + "TRAP\n");
+    print(tab(15) + "CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY\n");
+    print("\n");
+    print("\n");
+    print("\n");
+    g = 6;
+    n = 100;
+    // Trap
+    // Steve Ullman, Aug/01/1972
+    print("INSTRUCTIONS");
+    str = await input();
+    if (str.substr(0, 1) == "Y") {
+        print("I AM THINKING OF A NUMBER BETWEEN 1 AND " + n + "\n");
+        print("TRY TO GUESS MY NUMBER. ON EACH GUESS,\n");
+        print("YOU ARE TO ENTER 2 NUMBERS, TRYING TO TRAP\n");
+        print("MY NUMBER BETWEEN THE TWO NUMBERS. I WILL\n");
+        print("TELL YOU IF YOU HAVE TRAPPED MY NUMBER, IF MY\n");
+        print("NUMBER IS LARGER THAN YOUR TWO NUMBERS, OR IF\n");
+        print("MY NUMBER IS SMALLER THAN YOUR TWO NUMBERS.\n");
+        print("IF YOU WANT TO GUESS ONE SINGLE NUMBER, TYPE\n");
+        print("YOUR GUESS FOR BOTH YOUR TRAP NUMBERS.\n");
+        print("YOU GET " + g + " GUESSES TO GET MY NUMBER.\n");
+    }
+    while (1) {
+        x = Math.floor(n * Math.random()) + 1;
+        for (q = 1; q <= g; q++) {
+            print("\n");
+            print("GUESS #" + q + " ");
+            str = await input();
+            a = parseInt(str);
+            b = parseInt(str.substr(str.indexOf(",") + 1));
+            if (a == b && x == a) {
+                print("YOU GOT IT!!!\n");
+                break;
+            }
+            if (a > b) {
+                r = a;
+                a = b;
+                b = r;
+            }
+            if (a <= x && x <= b) {
+                print("YOU HAVE TRAPPED MY NUMBER.\n");
+            } else if (x >= a) {
+                print("MY NUMBER IS LARGER THAN YOUR TRAP NUMBERS.\n");
+            } else {
+                print("MY NUMBER IS SMALLER THAN YOUR TRAP NUMBERS.\n");
+            }
+        }
+        print("\n");
+        print("TRY AGAIN.\n");
+        print("\n");
+    }
+}
+
+main();