You'll learn how to create a fully functional calculator using #html #css and #javascript . Follow along as we break down the process into easy-to-understand steps, from designing the user interface with HTML and CSS to adding interactive functionality with JavaScript.
🔹 Learn the fundamentals of HTML, CSS, and JavaScript.
🔹 Design a sleek and user-friendly calculator interface.
🔹 Implement basic arithmetic operations, including addition, subtraction, multiplication, and division.
🔹 Handle user input and display results in real-time.
🔹 Enhance the calculator with clear functionality.
🔹 Perfect for web development beginners and anyone looking to sharpen their skills.
By the end of this tutorial, you'll have your very own #calculator that you can showcase in your web development portfolio.
index.html
<!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="style.css">
<title>Calculator</title>
</head>
<body>
<div class="calculator">
<input type="text" id="display" disabled>
<div class="buttons">
<button onclick="clearDisplay()">C</button>
<button onclick="appendToDisplay('*')">*</button>
<button onclick="appendToDisplay('+')">+</button>
<button onclick="appendToDisplay('/')">/</button>
<button onclick="appendToDisplay('-')">-</button>
<button onclick="appendToDisplay('.')">.</button>
<button onclick="appendToDisplay('7')">7</button>
<button onclick="appendToDisplay('8')">8</button>
<button onclick="appendToDisplay('9')">9</button>
<button onclick="appendToDisplay('4')">4</button>
<button onclick="appendToDisplay('5')">5</button>
<button onclick="appendToDisplay('6')">6</button>
<button onclick="appendToDisplay('1')">1</button>
<button onclick="appendToDisplay('2')">2</button>
<button onclick="appendToDisplay('3')">3</button>
<button onclick="calculate()">=</button>
<button onclick="appendToDisplay('0')">0</button>
<button onclick="calculate()">Enter</button>
</div>
</div>
<script src="script.js"> </script>
</body>
</html>
style.css
body{
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
}
.calculator{
background-color: black;
padding: 10px;
border: 1px solid #ccc;
border-radius: 5px;
width: 300px;
}
#display{
width: 90%;
padding: 10px;
font-size: 24px;
border: 5px solid #009688;
text-align: right;
margin-bottom: 10px;
color: black;
}
.buttons{
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 5px;
}
button{
padding: 10px;
font-size: 18px;
background-color: #009688;
color: white;
border: none;
border-radius: 5px;
cursor: pointer;
transition: background-color 0.3s;
box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}
button:hover{
background-color: gray;
color: black;
box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24), 0 17px 50px 0 rgba(0,0,0,0.19);
}
script.js
let display = document.getElementById('display');
function appendToDisplay(value){
display.value += value ;
}
function clearDisplay(){
display.value = '';
}
function calculate(){
try{
display.value = eval(display.value);
}catch(error){
display.value = "Error";
}
}
Comments
Post a Comment