this.$nextTick(function () {
  let ThisTempo = this;
  document.getElementById("btn-test").onclick = function () {
    ThisTempo.appelAPI(baseUrl + "xwiki/spaces", ThisTempo.loadMenu);
  };
  var accordion = document.getElementsByClassName("accordion");
  for (var i = 0; i < accordion.length; i++) {
    accordion[i].onclick = function () {
      ThisTempo.affiche_accordion(this);
    };
  }
});