HTML:
<!DOCTYPE html>
<html>
<head>
<title>Calculator</title>
<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<body>
<div class="calculator">
<input type="text" id="display" readonly />
<div class="buttons">
<button onclick="clearDisplay()">C</button>
<button onclick="backspace()">⌫</button>
<button onclick="addSymbol('%')">%</button>
<button onclick="addSymbol('/')">÷</button>
<button onclick="addSymbol('7')">7</button>
<button onclick="addSymbol('8')">8</button>
<button onclick="addSymbol('9')">9</button>
<button onclick="addSymbol('*')">x</button>
<button onclick="addSymbol('4')">4</button>
<button onclick="addSymbol('5')">5</button>
<button onclick="addSymbol('6')">6</button>
<button onclick="addSymbol('-')">-</button>
<button onclick="addSymbol('1')">1</button>
<button onclick="addSymbol('2')">2</button>
<button onclick="addSymbol('3')">3</button>
<button onclick="addSymbol('+')">+</button>
<button onclick="addSymbol('0')">0</button>
<button onclick="addSymbol('.')">.</button>
<button onclick="calculate()">=</button>
</div>
</div>
<script src="script.js"></script>
</body>
</html>
CSS:
.calculator {
border: 1px solid #ccc;
border-radius: 5px;
width: 300px;
margin: 50px auto;
text-align: center;
padding-bottom: 20px;
background-color: #f5f5f5;
}
.buttons {
display: flex;
flex-wrap: wrap;
margin-top: 10px;
}
button {
width: 50px;
height: 50px;
margin: 5px;
border-radius: 5px;
border: none;
font-size: 20px;
background-color: #fff;
}
#display {
width: 90%;
height: 50px;
margin: 10px auto;
border-radius: 5px;
border: none;
font-size: 25px;
text-align: right;
padding-right: 10px;
}
button:hover {
cursor: pointer;
background-color: #ddd;
}
JAVASCRIPT:
let calculation = "";
function addSymbol(symbol) {
calculation += symbol;
document.getElementById("display").value = calculation;
}
function clearDisplay() {
calculation = "";
document.getElementById("display").value = calculation;
}
function backspace() {
calculation = calculation.slice(0, -1);
document.getElementById("display").value = calculation;
}
function calculate() {
calculation = eval(calculation);
document.getElementById("display").value = calculation;
}
OUTPUT:-
Tags:
HTML