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Arrays & Iteration: Master Data Transformation
Arrays & Iteration: Master Data Transformation
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1
Arrays: Ordered Collections
2
Creating Arrays
3
Mutating Methods (Modify Original)
4
sort() and reverse()
5
Non-Mutating Methods
6
map() - Transform Elements
7
filter() - Select Elements
8
reduce() - Aggregate Values
9
Chaining Methods
10
find() and findIndex()
11
includes(), indexOf()
12
some() and every()
13
flat() and flatMap()
14
Array.at()
15
Iteration Methods
16
Common Patterns
17
Summary: Method Cheat Sheet
18
Next Up: Grade Analytics Lab
Arrays: Ordered Collections
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