JSFiddle - React, Tailwind, and code Playground

by OursRL

HTML

<html>
<head>
  <title>Carré Bleu</title>
  <script>
    function messageAlert() {
      alert("Quelqu'un a cliqué sur le carré bleu");
    }
  </script>
</head>
<body>
  <div class="carre" onclick="messageAlert()"></div>
</body>
</html>

CSS

.carre {
      width: 100px;
      height: 100px;
      background-color: blue;
    }

JavaScript

console.log("Coucou Les ptits Loups");
let a=100;
console.log(a);