Ported CHECKERS, CHEMIST, and CHIEF to Javascript

24 Chemist/javascript/chemist.js

@@ -0,0 +1,82 @@
+// CHEMIST
+//
+// 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 program
+async function main()
+{
+    print(tab(33) + "CHEMIST\n");
+    print(tab(15) + "CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY\n");
+    print("\n");
+    print("\n");
+    print("\n");
+    print("THE FICTITIOUS CHECMICAL KRYPTOCYANIC ACID CAN ONLY BE\n");
+    print("DILUTED BY THE RATIO OF 7 PARTS WATER TO 3 PARTS ACID.\n");
+    print("IF ANY OTHER RATIO IS ATTEMPTED, THE ACID BECOMES UNSTABLE\n");
+    print("AND SOON EXPLODES.  GIVEN THE AMOUNT OF ACID, YOU MUST\n");
+    print("DECIDE WHO MUCH WATER TO ADD FOR DILUTION.  IF YOU MISS\n");
+    print("YOU FACE THE CONSEQUENCES.\n");
+    t = 0;
+    while (1) {
+        a = Math.floor(Math.random() * 50);
+        w = 7 * a / 3;
+        print(a + " LITERS OF KRYPTOCYANIC ACID.  HOW MUCH WATER");
+        r = parseFloat(await input());
+        d = Math.abs(w - r);
+        if (d > w / 20) {
+            print(" SIZZLE!  YOU HAVE JUST BEEN DESALINATED INTO A BLOB\n");
+            print(" OF QUIVERING PROTOPLASM!\n");
+            t++;
+            if (t == 9)
+                break;
+            print(" HOWEVER, YOU MAY TRY AGAIN WITH ANOTHER LIFE.\n");
+        } else {
+            print(" GOOD JOB! YOU MAY BREATHE NOW, BUT DON'T INHALE THE FUMES!\n");
+            print("\n");
+        }
+    }
+    print(" YOUR 9 LIVES ARE USED, BUT YOU WILL BE LONG REMEMBERED FOR\n");
+    print(" YOUR CONTRIBUTIONS TO THE FIELD OF COMIC BOOK CHEMISTRY.\n");
+}
+
+main();