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<h1>HELLO</h1> <p>Bienvenue sur mon site web!</p> <button onclick="changeColor()"> Changer la couleur, <br /> press twice </button><!-- Replace with your HTML Code (Leave empty if not needed) -->
body { font-family: Arial, sans-serif; background-color: #f4f4f4; margin: 0; padding: 0; display: flex; justify-content: center; align-items: center; height: 100vh; flex-direction: column; } h1 { color: white; /* color: #4caf50; */ font-size: 3rem; margin-bottom: 20px; } p { color: white; /* color: #ffd700; */ font-size: 1.5rem; } button { background-color: #4caf50; color: white; border: none; padding: 10px 20px; font-size: 1rem; cursor: pointer; margin-top: 20px; }<!-- Replace with your HTML Code (Leave empty if not needed) -->
function changeColor() { const body = document.body; const h1 = document.querySelector("h1"); const p = document.querySelector("p"); if (body.style.backgroundColor === "rgb(244, 244, 244)") { body.style.backgroundColor = "#FFD700"; h1.style.color = "#4caf50"; p.style.color = "#4caf50"; } else { body.style.backgroundColor = "#f4f4f4"; h1.style.color = "#white"; p.style.color = "#white"; } }/* Replace with your JS Code (Leave empty if not needed) */
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HTML
CSS
JS
<h1>HELLO</h1> <p>Bienvenue sur mon site web!</p> <button onclick="changeColor()"> Changer la couleur, <br /> press twice </button><!-- Replace with your HTML Code (Leave empty if not needed) -->
body { font-family: Arial, sans-serif; background-color: #f4f4f4; margin: 0; padding: 0; display: flex; justify-content: center; align-items: center; height: 100vh; flex-direction: column; } h1 { color: white; /* color: #4caf50; */ font-size: 3rem; margin-bottom: 20px; } p { color: white; /* color: #ffd700; */ font-size: 1.5rem; } button { background-color: #4caf50; color: white; border: none; padding: 10px 20px; font-size: 1rem; cursor: pointer; margin-top: 20px; }<!-- Replace with your HTML Code (Leave empty if not needed) -->
function changeColor() { const body = document.body; const h1 = document.querySelector("h1"); const p = document.querySelector("p"); if (body.style.backgroundColor === "rgb(244, 244, 244)") { body.style.backgroundColor = "#FFD700"; h1.style.color = "#4caf50"; p.style.color = "#4caf50"; } else { body.style.backgroundColor = "#f4f4f4"; h1.style.color = "#white"; p.style.color = "#white"; } }/* Replace with your JS Code (Leave empty if not needed) */