Projet_calculette/calcul.html at master · davidnzoli/Projet_calculette · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="./calcul.css">
    <title>Calcul</title>
</head>
<body>
    <div class="conte">
        <div class="champ"></div>
        <div class="touches">
            <button class="btn sup" id="sign">AC</button>
            <button class="btn nbr" id="sign">%</button>
            <button class="btn nbr" id="sign">(</button>
            <button class="btn nbr"id="sign">)</button>
            <button class="btn nbr" id="sign">/</button>
            <button class="btn nbr">7</button>
            <button class="btn nbr">8</button>
            <button class="btn nbr">9</button>
            <button class="btn nbr" id="sign">+</button>
            <button class="btn nbr">6</button>
            <button class="btn nbr">5</button>
            <button class="btn nbr">4</button>
            <button class="btn nbr" id="sign">-</button>
            <button class="btn nbr">1</button>
            <button class="btn nbr">2</button>
            <button class="btn nbr">3</button>
            <button class="btn nbr" id="sign">*</button>
            <button class="btn nbr">.</button>
            <button class="btn egale">=</button>
            <button class="btn nbr">0</button>
        </div>
    </div>


    <script>

        const champ = document.querySelector('.champ');

        const button = document.querySelectorAll('.nbr');
        for(let i = 0; i<button.length; i++){
            button[i].addEventListener('click', (e)=>{
                const span = document.createElement('span');
                const valeur = e.target.textContent;
                span.textContent = valeur;
                span.style.color='black';
                span.style.fontSize ='20px';
                span.style.lineHeight='100px';
                champ.appendChild(span);
            })
        }

        const egale = document.querySelector('.egale');
        egale.addEventListener('click', ()=>{
                const span = document.createElement('span');
                span.style.color='black';
                span.style.fontSize ='20px';
                span.style.lineHeight='100px';
                const valeur = champ.textContent;
                span.textContent = eval(valeur);
                champ.textContent ='';
                champ.appendChild(span);
        })
        const sup = document.querySelector('.sup');
        sup.addEventListener('click', ()=>{
            champ.textContent ='';
        })
    </script>
</body>
</html>