版本：4.0.0-alpha.2
- https://cdn.bootcdn.net/ajax/libs/ember.js/4.0.0-alpha.2/ember-template-compiler.js
- https://cdn.bootcdn.net/ajax/libs/ember.js/4.0.0-alpha.2/ember-template-compiler.min.js
- https://cdn.bootcdn.net/ajax/libs/ember.js/4.0.0-alpha.2/ember-testing.js
- https://cdn.bootcdn.net/ajax/libs/ember.js/4.0.0-alpha.2/ember-testing.min.js
- https://cdn.bootcdn.net/ajax/libs/ember.js/4.0.0-alpha.2/ember.debug.js
- https://cdn.bootcdn.net/ajax/libs/ember.js/4.0.0-alpha.2/ember.debug.min.js