From c229e37fc96f85599b0f074091e6fdb7e4e2ebd9 Mon Sep 17 00:00:00 2001 From: nanochess Date: Sun, 28 Mar 2021 21:28:48 -0600 Subject: [PATCH] Ported STOCKMARKET to Javascript --- 83 Stock Market/javascript/stockmarket.html | 9 + 83 Stock Market/javascript/stockmarket.js | 317 ++++++++++++++++++++ 2 files changed, 326 insertions(+) create mode 100644 83 Stock Market/javascript/stockmarket.html create mode 100644 83 Stock Market/javascript/stockmarket.js diff --git a/83 Stock Market/javascript/stockmarket.html b/83 Stock Market/javascript/stockmarket.html new file mode 100644 index 00000000..6a6188ef --- /dev/null +++ b/83 Stock Market/javascript/stockmarket.html @@ -0,0 +1,9 @@ + + +STOCKMARKET + + +

+
+
+
diff --git a/83 Stock Market/javascript/stockmarket.js b/83 Stock Market/javascript/stockmarket.js
new file mode 100644
index 00000000..fbcbd8a5
--- /dev/null
+++ b/83 Stock Market/javascript/stockmarket.js	
@@ -0,0 +1,317 @@
+// STOCKMARKET
+//
+// 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;
+}
+
+var sa = [];
+var pa = [];
+var za = [];
+var ca = [];
+var i1;
+var n1;
+var e1;
+var i2;
+var n2;
+var e2;
+var x1;
+var w3;
+var t8;
+var a;
+var s4;
+
+// New stock values - subroutine
+function randomize_initial()
+{
+    // RANDOMLY PRODUCE NEW STOCK VALUES BASED ON PREVIOUS
+    // DAY'S VALUES
+    // N1,N2 ARE RANDOM NUMBERS OF DAYS WHICH RESPECTIVELY
+    // DETERMINE WHEN STOCK I1 WILL INCREASE 10 PTS. AND STOCK
+    // I2 WILL DECREASE 10 PTS.
+    // IF N1 DAYS HAVE PASSED, PICK AN I1, SET E1, DETERMINE NEW N1
+    if (n1 <= 0) {
+        i1 = Math.floor(4.99 * Math.random() + 1);
+        n1 = Math.floor(4.99 * Math.random() + 1);
+        e1 = 1;
+    }
+    // IF N2 DAYS HAVE PASSED, PICK AN I2, SET E2, DETERMINE NEW N2
+    if (n2 <= 0) {
+        i2 = Math.floor(4.99 * Math.random() + 1);
+        n2 = Math.floor(4.99 * Math.random() + 1);
+        e2 = 1;
+    }
+    // DEDUCT ONE DAY FROM N1 AND N2
+    n1--;
+    n2--;
+    // LOOP THROUGH ALL STOCKS
+    for (i = 1; i <= 5; i++) {
+        x1 = Math.random();
+        if (x1 < 0.25) {
+            x1 = 0.25;
+        } else if (x1 < 0.5) {
+            x1 = 0.5;
+        } else if (x1 < 0.75) {
+            x1 = 0.75;
+        } else {
+            x1 = 0.0;
+        }
+        // BIG CHANGE CONSTANT:W3  (SET TO ZERO INITIALLY)
+        w3 = 0;
+        if (e1 >= 1 && Math.floor(i1 + 0.5) == Math.floor(i + 0.5)) {
+            // ADD 10 PTS. TO THIS STOCK;  RESET E1
+            w3 = 10;
+            e1 = 0;
+        }
+        if (e2 >= 1 && Math.floor(i2 + 0.5) == Math.floor(i + 0.5)) {
+            // SUBTRACT 10 PTS. FROM THIS STOCK;  RESET E2
+            w3 -= 10;
+            e2 = 0;
+        }
+        // C(I) IS CHANGE IN STOCK VALUE
+        ca[i] = Math.floor(a * sa[i]) + x1 + Math.floor(3 - 6 * Math.random() + 0.5) + w3;
+        ca[i] = Math.floor(100 * ca[i] + 0.5) / 100;
+        sa[i] += ca[i];
+        if (sa[i] <= 0) {
+            ca[i] = 0;
+            sa[i] = 0;
+        } else {
+            sa[i] = Math.floor(100 * sa[i] + 0.5) / 100;
+        }
+    }
+    // AFTER T8 DAYS RANDOMLY CHANGE TREND SIGN AND SLOPE
+    if (--t8 < 1) {
+        // RANDOMLY CHANGE TREND SIGN AND SLOPE (A), AND DURATION
+        // OF TREND (T8)
+        t8 = Math.floor(4.99 * Math.random() + 1);
+        a = Math.floor((Math.random() / 10) * 100 + 0.5) / 100;
+        s4 = Math.random();
+        if (s4 > 0.5)
+            a = -a;
+    }
+}
+
+// Main program
+async function main()
+{
+    print(tab(30) + "STOCK MARKET\n");
+    print(tab(15) + "CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY\n");
+    print("\n");
+    print("\n");
+    print("\n");
+    // STOCK MARKET SIMULATION     -STOCK-
+    // REVISED 8/18/70 (D. PESSEL, L. BRAUN, C. LOSIK)
+    // IMP VRBLS: A-MRKT TRND SLP; B5-BRKRGE FEE; C-TTL CSH ASSTS;
+    // C5-TTL CSH ASSTS (TEMP); C(I)-CHNG IN STK VAL; D-TTL ASSTS;
+    // E1,E2-LRG CHNG MISC; I-STCK #; I1,I2-STCKS W LRG CHNG;
+    // N1,N2-LRG CHNG DAY CNTS; P5-TTL DAYS PRCHSS; P(I)-PRTFL CNTNTS;
+    // Q9-NEW CYCL?; S4-SGN OF A; S5-TTL DYS SLS; S(I)-VALUE/SHR;
+    // T-TTL STCK ASSTS; T5-TTL VAL OF TRNSCTNS;
+    // W3-LRG CHNG; X1-SMLL CHNG(<$1); Z4,Z5,Z6-NYSE AVE.; Z(I)-TRNSCT
+    // SLOPE OF MARKET TREND:A  (SAME FOR ALL STOCKS)
+    x = 1;
+    a = Math.floor(Math.random() / 10 * 100 + 0.5) / 100;
+    t5 = 0;
+    x9 = 0;
+    n1 = 0;
+    n2 = 0;
+    e1 = 0;
+    e2 = 0;
+    // INTRODUCTION
+    print("DO YOU WANT THE INSTRUCTIONS (YES-TYPE 1, NO-TYPE 0)");
+    z9 = parseInt(await input());
+    print("\n");
+    print("\n");
+    if (z9 >= 1) {
+        print("THIS PROGRAM PLAYS THE STOCK MARKET.  YOU WILL BE GIVEN\n");
+        print("$10,000 AND MAY BUY OR SELL STOCKS.  THE STOCK PRICES WILL\n");
+        print("BE GENERATED RANDOMLY AND THEREFORE THIS MODEL DOES NOT\n");
+        print("REPRESENT EXACTLY WHAT HAPPENS ON THE EXCHANGE.  A TABLE\n");
+        print("OF AVAILABLE STOCKS, THEIR PRICES, AND THE NUMBER OF SHARES\n");
+        print("IN YOUR PORTFOLIO WILL BE PRINTED.  FOLLOWING THIS, THE\n");
+        print("INITIALS OF EACH STOCK WILL BE PRINTED WITH A QUESTION\n");
+        print("MARK.  HERE YOU INDICATE A TRANSACTION.  TO BUY A STOCK\n");
+        print("TYPE +NNN, TO SELL A STOCK TYPE -NNN, WHERE NNN IS THE\n");
+        print("NUMBER OF SHARES.  A BROKERAGE FEE OF 1% WILL BE CHARGED\n");
+        print("ON ALL TRANSACTIONS.  NOTE THAT IF A STOCK'S VALUE DROPS\n");
+        print("TO ZERO IT MAY REBOUND TO A POSITIVE VALUE AGAIN.  YOU\n");
+        print("HAVE $10,000 TO INVEST.  USE INTEGERS FOR ALL YOUR INPUTS.\n");
+        print("(NOTE:  TO GET A 'FEEL' FOR THE MARKET RUN FOR AT LEAST\n");
+        print("10 DAYS)\n");
+        print("-----GOOD LUCK!-----\n");
+    }
+    // GENERATION OF STOCK TABLE: INPUT REQUESTS
+    // INITIAL STOCK VALUES
+    sa[1] = 100;
+    sa[2] = 85;
+    sa[3] = 150;
+    sa[4] = 140;
+    sa[5] = 110;
+    // INITIAL T8 - # DAYS FOR FIRST TREND SLOPE (A)
+    t8 = Math.floor(4.99 * Math.random() + 1);
+    // RANDOMIZE SIGN OF FIRST TREND SLOPE (A)
+    if (Math.random() <= 0.5)
+        a -= a;
+    // RANDOMIZE INITIAL VALUES
+    randomize_initial();
+    // INITIAL PORTFOLIO CONTENTS
+    for (i = 1; i <= 5; i++) {
+        pa[i] = 0;
+        za[i] = 0;
+    }
+    print("\n");
+    print("\n");
+    // INITIALIZE CASH ASSETS:C
+    c = 10000;
+    z5 = 0;
+    // PRINT INITIAL PORTFOLIO
+    print("STOCK\t \t\t\tINITIALS\tPRICE/SHARE\n");
+    print("INT. BALLISTIC MISSILES\t\t  IBM\t\t" + sa[1] + "\n");
+    print("RED CROSS OF AMERICA\t\t  RCA\t\t" + sa[2] + "\n");
+    print("LICHTENSTEIN, BUMRAP & JOKE\t  LBJ\t\t" + sa[3] + "\n");
+    print("AMERICAN BANKRUPT CO.\t\t  ABC\t\t" + sa[4] + "\n");
+    print("CENSURED BOOKS STORE\t\t  CBS\t\t" + sa[5] + "\n");
+    while (1) {
+        print("\n");
+        // NYSE AVERAGE:Z5; TEMP. VALUE:Z4; NET CHANGE:Z6
+        z4 = z5;
+        z5 = 0;
+        t = 0;
+        for (i = 1; i <= 5; i++) {
+            z5 += sa[i];
+            t += sa[i] * pa[i];
+        }
+        z5 = Math.floor(100 * (z5 / 5) + 0.5) / 100;
+        z6 = Math.floor((z5 - z4) * 100 + 0.5) / 100;
+        // TOTAL ASSETS:D
+        d = t + c;
+        if (x9 <= 0) {
+            print("NEW YORK STOCK EXCHANGE AVERAGE: " + z5 + "\n");
+        } else {
+            print("NEW YORK STOCK EXCHANGE AVERAGE: " + z5 + " NET CHANGE " + z6 + "\n");
+        }
+        print("\n");
+        t = Math.floor(100 * t + 0.5) / 100;
+        print("TOTAL STOCK ASSETS ARE   $" + t + "\n");
+        c = Math.floor(100 * c + 0.5) / 100;
+        print("TOTAL CASH ASSETS ARE    $" + c + "\n");
+        d = Math.floor(100 * d + 0.5) / 100;
+        print("TOTAL ASSETS ARE         $" + d + "\n");
+        print("\n");
+        if (x9 != 0) {
+            print("DO YOU WISH TO CONTINUE (YES-TYPE 1, NO-TYPE 0)");
+            q9 = parseInt(await input());
+            if (q9 < 1) {
+                print("HOPE YOU HAD FUN!!\n");
+                return;
+            }
+        }
+        // INPUT TRANSACTIONS
+        while (1) {
+            print("WHAT IS YOUR TRANSACTION IN\n");
+            print("IBM");
+            za[1] = parseInt(await input());
+            print("RCA");
+            za[2] = parseInt(await input());
+            print("LBJ");
+            za[3] = parseInt(await input());
+            print("ABC");
+            za[4] = parseInt(await input());
+            print("CBS");
+            za[5] = parseInt(await input());
+            print("\n");
+            // TOTAL DAY'S PURCHASES IN $:P5
+            p5 = 0;
+            // TOTAL DAY'S SALES IN $:S5
+            s5 = 0;
+            for (i = 1; i <= 5; i++) {
+                za[i] = Math.floor(za[i] + 0.5);
+                if (za[i] > 0) {
+                    p5 += za[i] * sa[i];
+                } else {
+                    s5 -= za[i] * sa[i];
+                    if (-za[i] > pa[i]) {
+                        print("YOU HAVE OVERSOLD A STOCK; TRY AGAIN.\n");
+                        break;
+                    }
+                }
+            }
+            if (i <= 5)
+                contine;
+            // TOTAL VALUE OF TRANSACTIONS:T5
+            t5 = p5 + s5;
+            // BROKERAGE FEE:B5
+            b5 = Math.floor(0.01 * t5 * 100 + 0.5) / 100;
+            // CASH ASSETS=OLD CASH ASSETS-TOTAL PURCHASES
+            // -BROKERAGE FEES+TOTAL SALES:C5
+            c5 = c - p5 - b5 + s5;
+            if (c5 < 0) {
+                print("YOU HAVE USED $" + (-c5) + " MORE THAN YOU HAVE.\n");
+                continue;
+            }
+            break;
+        }
+        c = c5;
+        // CALCULATE NEW PORTFOLIO
+        for (i = 1; i <= 5; i++) {
+            pa[i] += za[i];
+        }
+        // CALCULATE NEW STOCK VALUES
+        randomize_initial();
+        // PRINT PORTFOLIO
+        // BELL RINGING-DIFFERENT ON MANY COMPUTERS
+        print("\n");
+        print("**********     END OF DAY'S TRADING     **********\n");
+        print("\n");
+        print("\n");
+        if (x9 >= 1) ;
+        print("STOCK\tPRICE/SHARE\tHOLDINGS\tVALUE\tNET PRICE CHANGE\n");
+        print("IBM\t" + sa[1] + "\t\t" + pa[1] + "\t\t" + sa[1] * pa[1] + "\t" + ca[1] + "\n");
+        print("RCA\t" + sa[2] + "\t\t" + pa[2] + "\t\t" + sa[2] * pa[2] + "\t" + ca[2] + "\n");
+        print("LBJ\t" + sa[3] + "\t\t" + pa[3] + "\t\t" + sa[3] * pa[3] + "\t" + ca[3] + "\n");
+        print("ABC\t" + sa[4] + "\t\t" + pa[4] + "\t\t" + sa[4] * pa[4] + "\t" + ca[4] + "\n");
+        print("CBS\t" + sa[5] + "\t\t" + pa[5] + "\t\t" + sa[5] * pa[5] + "\t" + ca[5] + "\n");
+        x9 = 1;
+        print("\n");
+        print("\n");
+    }
+}
+
+main();