Compare commits
1 Commits
main
..
97c6c6575b
| Author | SHA1 | Date | |
|---|---|---|---|
| 97c6c6575b |
@@ -1,41 +0,0 @@
|
||||
<!doctype html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8" />
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
|
||||
<link
|
||||
href="https://fonts.googleapis.com/css2?family=Roboto+Mono&display=swap"
|
||||
rel="stylesheet"
|
||||
/>
|
||||
<link rel="stylesheet" href="style.css" />
|
||||
<title>Calculator</title>
|
||||
</head>
|
||||
<body>
|
||||
<div class="calculator">
|
||||
<input type="text" id="display" disabled />
|
||||
|
||||
<button class="clear">C</button>
|
||||
<button class="backspace">←</button>
|
||||
<button class="operator">÷</button>
|
||||
|
||||
<button class="number">7</button>
|
||||
<button class="number">8</button>
|
||||
<button class="number">9</button>
|
||||
<button class="operator">×</button>
|
||||
|
||||
<button class="number">4</button>
|
||||
<button class="number">5</button>
|
||||
<button class="number">6</button>
|
||||
<button class="operator">-</button>
|
||||
|
||||
<button class="number">1</button>
|
||||
<button class="number">2</button>
|
||||
<button class="number">3</button>
|
||||
<button class="operator">+</button>
|
||||
|
||||
<button class="large number">0</button>
|
||||
<button class="result">=</button>
|
||||
</div>
|
||||
<script src="./script.js"></script>
|
||||
</body>
|
||||
</html>
|
||||
@@ -1,92 +0,0 @@
|
||||
const display = document.querySelector("#display");
|
||||
let previousNumber = 0;
|
||||
let lastOperation = "";
|
||||
|
||||
function doOperation(operation, numA, numB) {
|
||||
numA = Number(numA);
|
||||
numB = Number(numB);
|
||||
switch (operation) {
|
||||
case "+":
|
||||
return numA + numB;
|
||||
break;
|
||||
case "÷":
|
||||
return numA / numB;
|
||||
break;
|
||||
case "×":
|
||||
return numA * numB;
|
||||
break;
|
||||
case "-":
|
||||
return numA - numB;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
//Set numbers logic
|
||||
const numbers = document.querySelectorAll(".number");
|
||||
|
||||
numbers.forEach((number) => {
|
||||
number.addEventListener("click", (event) => {
|
||||
updateDisplay(event.target.innerText);
|
||||
});
|
||||
});
|
||||
|
||||
function updateDisplay(number) {
|
||||
let currentResult = display.value;
|
||||
if (currentResult === "0") {
|
||||
display.value = number;
|
||||
} else {
|
||||
display.value += number;
|
||||
}
|
||||
}
|
||||
|
||||
function reset() {
|
||||
display.value = "0";
|
||||
previousNumber = "0";
|
||||
lastOperation = "";
|
||||
}
|
||||
|
||||
// Set clear button
|
||||
const clearButton = document.querySelector(".clear");
|
||||
clearButton.addEventListener("click", () => {
|
||||
reset();
|
||||
});
|
||||
|
||||
// Set backspace button
|
||||
backspaceButton = document.querySelector(".backspace");
|
||||
backspaceButton.addEventListener("click", () => {
|
||||
let result = display.value;
|
||||
result = result.slice(0, -1);
|
||||
if (result.length === 0) {
|
||||
result = "0";
|
||||
}
|
||||
display.value = result;
|
||||
});
|
||||
|
||||
// Operations
|
||||
const operators = document.querySelectorAll(".operator");
|
||||
operators.forEach((operator) => {
|
||||
operator.addEventListener("click", (event) => {
|
||||
if (lastOperation) {
|
||||
previousNumber = doOperation(
|
||||
lastOperation,
|
||||
previousNumber,
|
||||
display.value,
|
||||
);
|
||||
} else {
|
||||
previousNumber = Number(display.value);
|
||||
}
|
||||
|
||||
display.value = "0";
|
||||
lastOperation = event.target.innerText;
|
||||
});
|
||||
});
|
||||
|
||||
// Result button
|
||||
const resultButton = document.querySelector(".result");
|
||||
resultButton.addEventListener("click", (event) => {
|
||||
if (lastOperation) {
|
||||
display.value = doOperation(lastOperation, previousNumber, display.value);
|
||||
}
|
||||
});
|
||||
|
||||
reset();
|
||||
@@ -1,59 +0,0 @@
|
||||
body {
|
||||
font-family: "Roboto Mono", monospace;
|
||||
font-optical-sizing: auto;
|
||||
font-weight: 400;
|
||||
font-style: normal;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
height: 100vh;
|
||||
}
|
||||
|
||||
.calculator {
|
||||
display: grid;
|
||||
grid-template-columns: 1fr 1fr 1fr 1fr;
|
||||
border-collapse: collapse;
|
||||
border-radius: 0;
|
||||
}
|
||||
|
||||
#display {
|
||||
grid-column: 1 / 5;
|
||||
height: 100px;
|
||||
width: 400px;
|
||||
background-color: black;
|
||||
color: white;
|
||||
text-align: right;
|
||||
font-size: 75px;
|
||||
}
|
||||
|
||||
button {
|
||||
height: 100px;
|
||||
font-size: 50px;
|
||||
background-color: #d8d9db;
|
||||
border: 1px solid black;
|
||||
padding: 0;
|
||||
|
||||
}
|
||||
|
||||
button:hover {
|
||||
background-color: #ebebeb;
|
||||
}
|
||||
|
||||
.operator {
|
||||
background-color: #df974c;
|
||||
color: white;
|
||||
}
|
||||
|
||||
.operator:hover {
|
||||
background-color: #dfb07e;
|
||||
}
|
||||
|
||||
.clear {
|
||||
grid-column: 1 / 3;
|
||||
}
|
||||
|
||||
.large {
|
||||
grid-column: 1 / 4;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user