ApiObjects

    <input type="submit" name=""onclick='Test()' id="">

    <div id="listDate">

    </div>
    <script>


const Test = async()=> {
        console.log('hello');
        let request = new XMLHttpRequest();
        const res = await fetch('https://calendrier.api.gouv.fr/jours-feries/metropole.json');
        testJson = await res.json();
        console.log(testJson);
        let contenuTest =  document.getElementById("listDate");
        let contenu;
        for( var json in testJson){
            var testKey = testJson[json];
            // console.log(testKey);
            // console.log(json);
            contenu += testKey;
            contenu += '<br>';
            contenu += json;
            contenu += '<br>';
            console.log(json);
        }


        contenuTest.innerHTML = contenu;

    // });
}