devleague · mika1490 · Dec 27, 2017 · Dec 27, 2017 · Dec 27, 2017 · Dec 30, 2017
diff --git a/index.html b/index.html
@@ -0,0 +1,41 @@
+<!doctype html>
+<html>
+  <head>
+    <script type = "text/javascript"> 
+      function displaynum(n1) {
+        calcform.display.value=calcform.display.value+n1;
+      }
+    </script>
+  </head>
+  <body>
+    <form name="cashreg">
+    <input type = "text" id="display" style = "text-align:right" value="0"><br>
+    <input type = "button" id="btn9" value="9">
+    <input type = "button" id="btn8" value="8">
+    <input type = "button" id="btn7" value="7">
+    <input type = "button" id="btn6" value="6">
+     <input type = "button" id="depbtn" value = "Deposit" ><br>
+    <input type = "button" id="btn5" value="5">
+    <input type = "button" id="btn4" value="4">
+    <input type = "button" id="btn3" value="3">
+    <input type = "button" id="btn2" value="2">
+    <input type = "button" id="witbtn" value = "Withdraw" ><br>
+    <input type = "button" id="btn1" value="1">
+    <input type = "button" id="btn0" value="0">
+    <input type = "button" id="addbtn" value = + >
+    <input type = "button" id="subbtn" value = - >
+     <input type = "button" id="balbtn" value = "Get Balance" ><br>
+    <input type = "button" id="equalbtn" value = = >
+    <input type = "button" id="potbtn" value = . >
+    <input type = "button" id="btnmul" value = * >
+    <input type = "button" id="divbtn" value = / >
+    <input type = "button" id="btnper" value = % >
+    <input type = "button" id= "clear" value ="clear">
+
+
+
+
+    <script src="./js/calculator.js" type="text/javascript"></script>
+    <script src="./js/cash_register.js" type="text/javascript"></script>
+  </body>
+</html>
diff --git a/js/calculator.js b/js/calculator.js
@@ -0,0 +1,123 @@
+/**
+ * Declare a function named `calculatorModule`
+ * this function will have two private variables declared inside of it.
+ * @variable PRIVATE { Number } `memory`
+ * @variable PRIVATE { Number } `total`
+ * @return {object} `calculator` object that can be used
+ */
+var Calculator = function() {
+  var memory = 0;
+  var total = 0;
+return {
+
+
+
+  /**
+   * sets the `total` to the number passed in
+   * @param  { Number } x
+   * @return { Number }    current total
+   */
+
+
+load: (num) => {
+    if(typeof num === 'number') {
+      total = num; 
+      return num;
+    } else {
+      throw new Error();
+    }
+  },
+
+
+  /**
+   * Return the value of `total`
+   * @return { Number }
+   */
+ getTotal: () => {
+    return total;
+  },
+
+
+  /**
+   * Sums the value passed in with `total`
+   * @param { Number } x
+   */
+   add: (num) => {
+    if(typeof num === 'number') {
+      total = total + num;
+      return total;
+    } else {
+      throw new Error();
+    }
+   },
+
+  /**
+   * Subtracts the value passed in from `total`
+   * @param  { Number } x
+   */
+
+subtract: (num) => {
+  if(typeof num === 'number') {
+    total = total - num;
+    return total;
+  } else {
+    throw new Error();
+  }
+},
+
+  /**
+   * Multiplies the value by `total`
+   * @param  { Number } x
+   */
+multiply: (num) => {
+  if(typeof num === 'number') {
+    total = total * num;
+    return total;
+  } else {
+    throw new Error();
+  }
+},
+
+  /**
+   * Divides the value passing in by `total`
+   * @param  { Number } x
+   */
+
+divide: (num) => {
+  if(typeof num === 'number') {
+    total = total / num;
+    return total;
+  } else {
+    throw new Error();
+  }
+},
+
+  /**
+   * Return the value stored at `memory`
+   * @return { Number }
+   */
+recallMemory: () => {
+  return memory;
+
+},
+
+
+  /**
+   * Stores the value of `total` to `memory`
+   */
+saveMemory: () => {
+  return memory = total;
+},
+
+  /**
+   * Clear the value stored at `memory`
+   */
+clearMemory: () => {
+  return memory = 0;
+},
+
+  /**
+   * Validation
+   */
+}
+}
diff --git a/js/cash_register.js b/js/cash_register.js
@@ -0,0 +1,99 @@
+
+for(var i = 0; i < 10; i++) {
+  var btn = document.getElementById("btn" + i);
+  btn.addEventListener("click", function(event) {
+    display(event.target.value);
+  }, false);
+}
+
+var displayElement = document.getElementById("display");
+
+
+var myCalculator = Calculator();
+var clearDisplay = true;
+
+var bankBalance = 0;
+
+function display(val) {
+  if (clearDisplay) {
+    clear();
+    clearDisplay = false;
+  }
+
+  displayElement.value += val;
+}
+
+function clear() {
+  displayElement.value = '';
+}
+
+function add() {
+  myCalculator.add(Number(displayElement.value));
+  clearDisplay = true;
+  display(myCalculator.getTotal());
+  clearDisplay = true;
+}
+
+function sub() {
+  myCalculator.subtract(Number(displayElement.value));
+  clearDisplay = true;
+  display(myCalculator.getTotal());
+  clearDisplay = true;
+}
+
+function multiply() {
+  myCalculator.multiply(Number(displayElement.value));
+  clearDisplay = true;
+  display(myCalculator.getTotal());
+  clearDisplay = true;
+}
+
+function divide() {
+  myCalculator.divide(Number(displayElement.value));
+  clearDisplay = true;
+  display(myCalculator.getTotal());
+  clearDisplay = true;
+}
+
+function equals() {
+  console.log('test') 
+  myCalculator.getTotal('total');
+  clearDisplay = true;
+  display(myCalculator.getTotal());
+  clearDisplay = true;
+}
+
+function clearTotal() {
+  myCalculator.load(0);
+  clearDisplay = true;
+  display(myCalculator.getTotal());
+  clearDisplay = true;
+}
+
+
+function deposit(amt) {
+  bankBalance += amt;
+  getBalance();
+}
+
+function withdraw(amt) {
+  console.log("test")
+  bankBalance -= amt;
+  getBalance();
+}
+
+function getBalance() {
+  clearDisplay = true;
+  display(bankBalance);
+  clearDisplay = true;
+} 
+
+document.getElementById('addbtn').addEventListener('click', add);
+document.getElementById('subbtn').addEventListener('click', sub);
+document.getElementById('btnmul').addEventListener('click', multiply);
+document.getElementById('divbtn').addEventListener('click', divide);
+document.getElementById('equalbtn').addEventListener('click', equals);
+document.getElementById('clear').addEventListener('click', clearTotal);
+document.getElementById('depbtn').addEventListener('click', deposit);
+document.getElementById('balbtn').addEventListener('click', getBalance);
+document.getElementById('witbtn').addEventListener('click', withdraw);