how to set the iframe source in angular code example

Example 1: angularjs iframe src binding

function AppCtrl($scope, $sce) {
    // ...
    $scope.setProject = function (id) {
      $scope.currentProject = $scope.projects[id];
      $scope.currentProjectUrl = $sce.trustAsResourceUrl($scope.currentProject.url);
    }
}

Example 2: iframe render html in angular

yt = '<iframe class="w-100" src="https://www.youtube.com/embed/KS76EghdCcY?rel=0&controls=0" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>';