Lambda Functions & Higher Order Functions in TypeScript
Lambda Functions are a common sight in most modern day Programming Languages, but how do you create and use them?
I use TypeScript throughout this video. If you want to follow along, watch this video to install it:
• Installing Typescript
0:00 What is a Lambda Function?
0:47 Using Functions as Variables
2:15 Higher Order Functions
3:38 Closures
5:59 Using Higher Order Functions
6:30 Array Higher Order Functions
7:09 Map
10:00 ForEach
11:16 Filter
12:28 Chaining functions together
13:23 Reduce
14:55 Sort
17:01 Making your own Higher Order Functions
17:21 Making ForEach
22:23 Making Map
25:57 Making Filter
29:17 Making Reduce
35:34 The Power of Reduce
35:42 ForEach with Reduce
36:37 Map with Reduce & Spread Operator
38:06 Map with Reduce
39:27 Filter with Reduce
40:34 Reducing into an Object
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