4.9 Iterating Over Objects
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1. Basic JavaScript and Graphics
2. JavaScript Control Structures
3. Animation and Games
4. Basic Data Structures
4.1 Intro to Arrays
4.2 Indexing Into an Array
4.3 Adding/Removing from an Array
4.4 Array Length and Looping Through Arrays
4.5 Iterating Over an Array
4.6 Finding an Element in an Array
4.7 Removing an Element from an Array
4.8 Intro to Objects/Maps
4.9 Iterating Over Objects
Iterating with for...in Loops
Print Phonebook
Facebook Friend Lists
Does the Key Exist?
Check Your Understanding
Exercise: Address Book
4.10 Intro to Sets
4.11 Intro to Grids
4.12 Conclusion