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Copy path(Level 1) Task 3:- Calculator
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(Level 1) Task 3:- Calculator
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#HTML CODE
**********************************************************************************************
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" href="styles.css" />
<title>Basic Calculator</title>
</head>
<!--Made By Ritwik Singh (Task 3 Level 1) Hope it Helps You-->
<body>
<div class="calculator">
<div class="boxer" id="boxer">Calculator</div>
<div class="display" id="display">0</div>
<button class="btn" id="clear">C</button>
<button class="btn" id="backspace">←</button>
<button class="btn" id="divide">/</button>
<button class="btn" id="multiply">*</button>
<button class="btn" id="7">7</button>
<button class="btn" id="8">8</button>
<button class="btn" id="9">9</button>
<button class="btn" id="subtract">-</button>
<button class="btn" id="6">6</button>
<button class="btn" id="5">5</button>
<button class="btn" id="4">4</button>
<button class="btn" id="decimal">.</button>
<button class="btn" id="1">1</button>
<button class="btn" id="2">2</button>
<button class="btn" id="3">3</button>
<button class="btn" id="add">+</button>
<button class="btn" id="0">0</button>
<button class="btn" id="equals">=</button>
<div class="display2" id="display2">
Made By Ritwik Singh For CodSoft Web Development Internship Level 1:-
Task 3
</div>
</div>
<script src="script.js"></script>
</body>
</html>
********************************************************************************************
# CSS CODE
body {
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
background-color: #f0f0f0;
font-family: Arial, sans-serif;
}
.calculator {
display: grid;
grid-template-columns: repeat(4, 1fr);
grid-gap: 10px;
max-width: 300px;
padding: 20px;
background-color: #fff;
border-radius: 10px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}
.display {
grid-column: 1 / -1;
text-align: right;
padding: 10px;
font-size: 24px;
background-color: #f0f0f0;
border: 1px solid #ccc;
border-radius: 5px;
}
.display2 {
grid-column: 1 / -1;
text-align: left;
padding: 5px;
font-size: 15px;
background-color: aquamarine;
border: 1px solid black;
border-radius: 5px;
}
.btn {
padding: 10px;
font-size: 20px;
text-align: center;
background-color: #eee;
border: 1px solid #ccc;
border-radius: 5px;
cursor: pointer;
transition: background-color 0.3s;
}
.btn:hover {
background-color: #ddd;
}
.about {
text-align: center;
}
*********************************************************************************************
# JAVASCRIPT CODE
document.addEventListener("DOMContentLoaded", function () {
const display = document.getElementById("display");
let currentInput = "0";
let currentOperator = "";
let prevInput = "";
function updateDisplay() {
display.textContent = currentInput;
}
function handleDigitClick(digit) {
if (
currentInput === "0" ||
currentInput === "Infinity" ||
currentInput === "-Infinity"
) {
currentInput = digit;
} else {
currentInput += digit;
}
updateDisplay();
}
function handleOperatorClick(operator) {
prevInput = currentInput;
currentInput = "0";
currentOperator = operator;
}
function handleEqualsClick() {
const prev = parseFloat(prevInput);
const current = parseFloat(currentInput);
switch (currentOperator) {
case "+":
currentInput = prev + current;
break;
case "-":
currentInput = prev - current;
break;
case "*":
currentInput = prev * current;
break;
case "/":
currentInput = prev / current;
break;
}
currentOperator = "";
prevInput = "";
updateDisplay();
}
function clear() {
currentInput = "0";
currentOperator = "";
prevInput = "";
updateDisplay();
}
// Add event listeners to digit buttons
for (let i = 0; i <= 9; i++) {
document.getElementById(i.toString()).addEventListener("click", () => {
handleDigitClick(i.toString());
});
}
// Add event listeners to operator buttons
document
.getElementById("add")
.addEventListener("click", () => handleOperatorClick("+"));
document
.getElementById("subtract")
.addEventListener("click", () => handleOperatorClick("-"));
document
.getElementById("multiply")
.addEventListener("click", () => handleOperatorClick("*"));
document
.getElementById("divide")
.addEventListener("click", () => handleOperatorClick("/"));
// Add event listeners to other buttons
document.getElementById("decimal").addEventListener("click", () => {
if (!currentInput.includes(".")) {
currentInput += ".";
updateDisplay();
}
});
document
.getElementById("equals")
.addEventListener("click", handleEqualsClick);
document.getElementById("clear").addEventListener("click", clear);
document.getElementById("backspace").addEventListener("click", () => {
currentInput = currentInput.slice(0, -1);
if (currentInput === "") {
currentInput = "0";
}
updateDisplay();
});
updateDisplay();
});
**************************************************************************************************