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                <!DOCTYPE html>
        <title>Cours JavaScript</title>
        <meta charset="utf-8">
        <link rel="stylesheet" href="cours.css">
        <script src='cours.js' async></script>
        <h1>Titre principal</h1>
        <p>Un premier paragraphe</p>
        <div id='d1'>
            <p id='d1p1'>Un paragraphe dans un div</p>
            <p id='d1p2'>Un autre paragraphe dans le div</p>




                //On sélectionne les éléments du document avec les ids d1 et d1p1
let d1 = document.querySelector('#d1');
let d1p1 = document.querySelector('#d1p1');

//On utilise la phase de capture
d1.addEventListener('click', function(){alert('div cliqué')});
d1p1.addEventListener('click', cliqueAndStop);

//L'argument 'e' ici sert de référence à un objet Event
function cliqueAndStop(e){
    alert('Paragraphe cliqué - Arrêt de la propagation');