Calcolatrice by @lion-h - Codewith.it

#main, .loader-cont { display: none; } JavaScript disabilitato.
Non puoi usare Codewith.it senza JavaScript.

References

<abbr>Inserisce abbreviazioni e acronimi
preloadL'attributo preload indica se precaricare un contenuto audio e video con il documento HTML
<textarea>Area di testo libero espandibile per form HTML
_topApre collegamenti ipertestuali nell'elemento parent assoluto
novalidateImpedisce la convalida dei campi con valori tipizzati di elemento input
<u> Utilizzato definire una parte del contenuto come annotazione non testuale, con una sottolineatura.

Users

Log in to search for users

Explore

Find inspiration

rectangle drawning

Esercizio lezione 9

tabella ennesima

square - social bar

Esercitazione esame

Esercizi 05/03/2024 es1

HTML

CSS

JS

terminal console

feedback

add_box New

cookie Policy

Privacy information and cookies

We use cookies or technologies for technical purposes and, with your consent, also for other purposes as specified in the cookie policy. Refusal of consent may make some functions unavailable. Read more about the privacy policy

Click on “Agree” to confirm.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Calcolatrice Semplice</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>
    <div class="calculator">
        <input type="text" class="display" id="display" disabled>
        <div class="buttons">
            <button value="1">1</button>
            <button value="2">2</button>
            <button value="3">3</button>
            <button value="+">+</button>
            <button value="4">4</button>
            <button value="5">5</button>
            <button value="6">6</button>
            <button value="-">-</button>
            <button value="7">7</button>
            <button value="8">8</button>
            <button value="9">9</button>
            <button value="*">*</button>
            <button value="C">C</button>
            <button value="0">0</button>
            <button value="=">=</button>
            <button value="/">/</button>
        </div>
    </div>
    <script src="script.js"></script>
</body>
</html>

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
    margin: 0;
}

.calculator {
    display: grid;
    grid-template-rows: auto 1fr;
    width: 200px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.display {
    width: 100%;
    padding: 20px;
    font-size: 1.5em;
    text-align: right;
    border: none;
    background-color: #eee;
    border-radius: 8px 8px 0 0;
}

.buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

button {
    padding: 20px;
    font-size: 1.2em;
    border: 1px solid #ccc;
    cursor: pointer;
    background-color: #f9f9f9;
    outline: none;
}

button:hover {
    background-color: #e0e0e0;
}

const display = document.getElementById('display');
const buttons = document.querySelectorAll('button');
let currentInput = '';
let operator = '';
let previousInput = '';
let result = '';

buttons.forEach(button => {
    button.addEventListener('click', () => {
        const value = button.value;

        if (['+', '-', '*', '/'].includes(value)) {
            operator = value;
            previousInput = currentInput;
            currentInput = '';
            display.value = previousInput + ' ' + operator + ' ';
        } else if (value === '=') {
            if (previousInput && currentInput) {
                result = eval(previousInput + operator + currentInput);
                display.value = result;
                previousInput = result;
                currentInput = '';
                operator = '';
            }
        } else if (value === 'C') {
            currentInput = '';
            previousInput = '';
            operator = '';
            display.value = '';
        } else {
            currentInput += value;
            display.value += value;
        }
    });
});