# Lessons

1. [:05] Video: [Quick intro to SPAs and Push state](video_intro_to_spa.md)
1. [:10] Lecture/Demo: [What is a SPA?](what_is_a_spa.md)
1. [:10] Lecture/Demo: [What is Push State?](what_is_push_state.md)
1. [:15] Lesson: What is routing?
1. [:15] Lesson/Code-along: [Routing in Angular](routing.md)
1. [:15] Lesson/Code-along: URL Params
1. [:15] Lesson/Code-along: Nesting
1. [:10] Lesson: Summary
1. [:15] Lesson/Demo: APIs
1. [:15] Code-along: APIs
1. [:15] Lesson/Code-along: AJAX/Routing
1. [:05] Lesson: Summary
1. [:45] Code-along: Checkpoint!