AngularJS Plunker is not Working

Question

I Don't know why it is not working here is the Plnkr

but the same file is working here Plnkr

Answer 1

Problem is remove the http:/ part from the angular reference,

 <script data-require="[email protected]" data-semver="1.2.7" src="//code.angularjs.org/1.2.7/angular.js"></script>

DEMO