class-06.md

JS Object Literals; The DOM

Chapter 3: Object Literals (pp.100-105)

• property - a variable that's part of an object
• method - a function that's part of an object
• key - name: value pair in an object
• . - member operator - accesses/calls a method from an object
• square bracket can also be used to access methods and properties in an objet
• this - keyword used when declaring properties and methods in an object. this references the object itself

Chapter 5: Document Object Model (pp.183-242)

• DOM tree - specifies how a browser should structure pages
• API - allow programs and scripts to communicate
• NodeList - a collection of nodes
• live NodeList - nodelist is updated when the page is updated by your script
• static NodeList - nodelist stays the same after the script updates the page
• NodeLists are 'collections', but look like arrays

Article: Understanding The Problem Domain Is The Hardest Part Of Programming

Article: What’s the Difference Between Primitive Values and Object References in JavaScript?