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need help on calculator.js #4

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ad492d4
need help on calculator.js
matzy20 Nov 14, 2015
d11c7e2
index.html file
matzy20 Nov 14, 2015
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42 changes: 42 additions & 0 deletions index.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<html>
<head></head>
<title>Cash Monnney</title>
<h1>Cash Register</h1>
<body>
<div id="Display"></div>
<div><button class= "number">7</button>
<button class= "number">8</button>
<button class= "number">9</button>
<button class= "divide">÷</button>
<button class="clear">Clear</button>
</div>
<div>
<button class= "number">4</button>
<button class= "number">5</button>
<button class= "number">6</button>
<button class= "multiply">×</button>
<button class="getBalance">Get Balance</button>
</div>
<div>
<button class= "number">1</button>
<button class= "number">2</button>
<button class= "number">3</button>
<button class= "subtract">-</button>
<button class="depositCash">Deposit Cash</button>
</div>
<div>
<button class= "number">0</button>
<button class= "number">00</button>
<button class= "decimal">.</button>
<button class= "add">+</button>
<button class="withdrawCash">Withdraw Cash</button>
</div>
<div>
<button class="equals">=</button>
</div>
<!-- place script at the bottom, order does matter, need to access html, utilize calculator functions, then cash register -->
<script src="/js/calculator.js" type="text/javascript"></script>
<script src="/js/cash_register.js" type="text/javascript"></script>
</body>
</html>
106 changes: 106 additions & 0 deletions js/calculator.js
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var calculator = {

display: document.getElementById("Display"),
number: function () {
if (document.querySelectorAll("button.number, button.decimal")){
return number.parseFloat();
}
},
memory: 0,
total: 0
};
//how to create number as a passable argument?
//how to incorporate parseFloat()?

for (var i = 0; i < calculator.number.length; i++) {
calculator.number[i].onclick = appendCalc;
}

function appendCalc (number) {
calculator.display.innerHTML += this.innerHTML;
}

// function load (number) {
// if (typeof number !== "number") {
// return "error error!";
// }
// total = number;
// return total;
// }

// function getTotal (number) {
// var equal = document.querySelector("button.equals");
// var total = equal.onclick.parseFloat(addTotal).calculator.display.innerHTML;
// if (equal.onclick) {
// return total;
// }
// }

// var plus = document.querySelector("button.add");
// plus.onclick = addMe;

function addMe (number) {
if (number) {
console.log (alert("hello"));
}
//calculator.display.innerHTML = number + plus + total;
}

//for (var i=0; i < number.length; i++) {
// newNumber = Math.floor(Math.random() * number.length);
// addTotal = newNumber + "+ plus" + number;
// return addTotal;

// } else if (number !== number) {
// console.log("not a number");
// }
// }

function minus (number) {

total = total - number;
return total;
}

function multiply (number) {

total = total * number;
return total;
}

function divide (number) {

total = total / number;
return total;
}

function recallMemory (number) {

return memory;
}

function saveMemory (number) {

memory = total;
return memory;
}

function clearMemory (number) {

memory = 0;
return memory;
}












35 changes: 35 additions & 0 deletions js/cash_register.js
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var cashRegister = {
display: document.getElementById("Display"),
numbersOnReg: document.querySelectorAll("button.number, button.decimal"),
symbolsOnReg: document.querySelectorAll("button.add, button.subtract, button.divide, button.multiply, button.equals"),
};

for (var i = 0; i < cashRegister.numbersOnReg.length; i++) {
cashRegister.numbersOnReg[i].onclick = appendReg;
}

for (var i = 0; i < cashRegister.symbolsOnReg.length; i++) {
cashRegister.symbolsOnReg[i].onclick = appendReg;
}

function appendReg () {
cashRegister.display.innerHTML += this.innerHTML;
}

var clearButton = document.querySelector('button.clear');
clearButton.onclick = clearDisplay;

function clearDisplay () {
cashRegister.display.innerHTML = "";
}

// var balance = document.querySelector('button.getBalance');
// getBalance.onclick = balanceDisplay;

// function balanceDisplay () {
// cashRegister.display.innerHTML += innerHTML;
// }