{"action":"opened","issue":{"url":"https://api.github.com/repos/jadjoubran/angular-material-design-lite/issues/21","labels_url":"https://api.github.com/repos/jadjoubran/angular-material-design-lite/issues/21/labels{/name}","comments_url":"https://api.github.com/repos/jadjoubran/angular-material-design-lite/issues/21/comments","events_url":"https://api.github.com/repos/jadjoubran/angular-material-design-lite/issues/21/events","html_url":"https://github.com/jadjoubran/angular-material-design-lite/issues/21","id":124164825,"number":21,"title":"Mdl tabs \"is-active\" class is not applied by [ngClass].","user":{"login":"abhibly","id":15784815,"avatar_url":"https://avatars.githubusercontent.com/u/15784815?v=3","gravatar_id":"","url":"https://api.github.com/users/abhibly","html_url":"https://github.com/abhibly","followers_url":"https://api.github.com/users/abhibly/followers","following_url":"https://api.github.com/users/abhibly/following{/other_user}","gists_url":"https://api.github.com/users/abhibly/gists{/gist_id}","starred_url":"https://api.github.com/users/abhibly/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/abhibly/subscriptions","organizations_url":"https://api.github.com/users/abhibly/orgs","repos_url":"https://api.github.com/users/abhibly/repos","events_url":"https://api.github.com/users/abhibly/events{/privacy}","received_events_url":"https://api.github.com/users/abhibly/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-12-29T05:18:46Z","updated_at":"2015-12-29T05:18:46Z","closed_at":null,"body":"I have created two plunker samples.In the first i tried to apply a class by name active and it applied and here is the demo for it-http://plnkr.co/edit/0txN0C14GPl0ljrpsDlr?p=preview\r\nBut when i try to apply \"is-active\" class it is not applying.why is that so? Here is the plunker demo for it-http://plnkr.co/edit/oNRL4Rc6lmjmaLGXX54H?p=preview "}}