2019-04-24 Javascript Design Patterns - udacity course.md

welcome

Introduce cat clicker and andy

6 Requirements Change All the time

extensible & well organized code

7 First Requirements Change

• two cats
• cat name should be above the cat image

Don’t hardcode the cat name in the DOM

11 Closures and Event Listeners

Note: set eventListeners for multiple elements in a loop, a easy trap

This lesson provided a note on this.