41 part1: modular injector
41 part2: $injector providor
42 part1: component and container
42 part2: components in container
43 part1: $index
43 part2: $event
43 part3: $log
43 part4: disable debug info of log in app.config
43 part5: pass $event to controller
44: controller as syntax
45 part1: require
45 part2: require array
47: ng-repeat-start
48: ng animation
49: animation with js
50: animating the angular way
51 angular.copy