Create a Calculator in HTML - CSS - JAVA Script
How to Create a Calculator Website Based HTML, CSS with JAVAScript
HTML File (index.html):
<!DOCTYPE html>
<html>
<head>
<title>Calculator</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<div class="calculator">
<div class="screen">
<input type="text" id="result" disabled>
</div>
<div class="keys">
<button class="operator" onclick="clearResult()">C</button>
<button class="operator" onclick="backspace()"><</button>
<button class="operator" onclick="getResult('%')">%</button>
<button class="operator" onclick="getResult('/')">/</button>
<button onclick="getResult('7')">7</button>
<button onclick="getResult('8')">8</button>
<button onclick="getResult('9')">9</button>
<button class="operator" onclick="getResult('*')">*</button>
<button onclick="getResult('4')">4</button>
<button onclick="getResult('5')">5</button>
<button onclick="getResult('6')">6</button>
<button class="operator" onclick="getResult('-')">-</button>
<button onclick="getResult('1')">1</button>
<button onclick="getResult('2')">2</button>
<button onclick="getResult('3')">3</button>
<button class="operator" onclick="getResult('+')">+</button>
<button class="operator" onclick="getResult('+-')">+/-</button>
<button onclick="getResult('0')">0</button>
<button onclick="getResult('.')">.</button>
<button class="operator" onclick="calculate()">=</button>
</div>
</div>
<script src="script.js"></script>
</body>
</html>
CSS File (style.css):
.calculator {
width: 300px;
margin: 50px auto;
border: 2px solid #ccc;
border-radius: 5px;
background-color: #f4f4f4;
box-shadow: 5px 5px 5px #ccc;
font-family: Arial, sans-serif;
}
.screen {
width: 100%;
height: 60px;
padding: 5px;
background-color: #fff;
text-align: right;
box-shadow: inset 0 0 5px #ccc;
}
#result {
width: 95%;
height: 50px;
font-size: 28px;
border: none;
outline: none;
text-align: right;
}
.keys {
display: grid;
grid-template-columns: repeat(4, 1fr);
grid-gap: 5px;
padding: 5px;
}
button {
width: 100%;
height: 50px;
font-size: 22px;
background-color: #ccc;
border: none;
border-radius: 5px;
cursor: pointer;
}
.operator {
background-color: #ff6600;
color: #fff;
}
JavaScript File (script.js):
let result = document.getElementById("result");
function getResult(value) {
result.value += value;
}
function clearResult() {
result.value = "";
}
function backspace() {
result.value = result.value.slice(0, -1);
}
function calculate
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