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created calculator #67

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3 changes: 3 additions & 0 deletions .vscode/settings.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
{
"liveServer.settings.port": 5501
}
4 changes: 2 additions & 2 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -4,14 +4,14 @@
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="style.css">
<!-- <script src="main.js"></script> -->
<script src="main.js"></script>
<title>Document</title>
</head>
<body>
<form class="calculator">
<label for="first-number">First Number:</label>
<!-- the "onkeyup" event listener passes its input's "value" to the "saveFirstNumber" function in the main.js file -->
<input type="number" id="first-Number" name="first-Number" placeholder="type the first number" value="" onkeyup="saveFirstNumber(this.value)">
<input type="number" id="first-Number" name="first-Number" placeholder="type the first number" value="" onkeyup="saveFirstNumber(this.value)" oninput="saveFirstNumber(this.value)">
<label for="second-number">Second Number:</label>
<input type="number" id="second-Number" name="second-Number" placeholder="type the second number" onkeyup="saveSecondNumber(this.value)">
<div>
Expand Down
11 changes: 9 additions & 2 deletions main.js
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Expand Up @@ -6,7 +6,8 @@ let operation = null

// this function takes in the number you type in the input field and saves it to the "firstNum" variable
const saveFirstNumber = (num) => {
firstNum = parseInt(num)
console.log('num:', num)
firstNum = parseInt(num)
}

// this function takes in the number you type in the 2nd input field and saves it to the "secondNum" variable
Expand Down Expand Up @@ -59,6 +60,12 @@ const putResultInElement = (operationResults) => {

// The function uses the value of "operation" variable to determine which operation function it should use on the number: add, subtract, multiply, divide, or modulus
const equals = () => {
if (!firstNum) {
firstNum = parseInt(document.getElementById('first-Number').value)
}
if (!secondNum) {
secondNum = parseInt(document.getElementById('second-Number').value)
}
switch (operation) {
case "addition": putResultInElement(add(firstNum, secondNum))
break;
Expand All @@ -70,7 +77,7 @@ const equals = () => {
break;
case "modulus": console.log(modulus(firstNum, secondNum))
break;
default: "Choose an operation"
default: alert("Choose an operation")
}
}