Скачать или смотреть Lecture 4 : Arrays and Their Methods | Full Stack Development Free Course

"Confused about how var, let, and const behave in JavaScript?
In Lecture 4 of our Full Stack Development Free Course, we’ll simplify key concepts like Hoisting, Closures, and Variable Scope — the foundation of writing clean, bug-free JavaScript.

Whether you’re preparing for interviews or just starting your dev journey, this video will help you understand how variables and functions behave in different scopes.

💡 In this video, you'll learn:
➡️What is Hoisting in JavaScript? (Variables & Functions)
➡️Real-life use cases of Closures
➡️Scope types: Global, Function, Block, Script & Module
➡️Behavioral differences between var, let & const
➡️Why improper scope handling leads to bugs
➡️How Closures power async code, private variables, and callbacks

🎯 Ideal for:
➡️Frontend & Full Stack Development learners
➡️JavaScript beginners & job seekers
➡️Anyone looking to level up their JS fundamentals"

Video Timestamps:-
0:00 Recap
0:56 What is an Array in JS?
5:08 Array Creation
13:54 Multi Dimensional array
16:10 Declarative Design & Imperative Design
21:10 Array Methods -Part2
22:07 Length
22:47 Indexof
23:57 Includes
25:07 Push
29:11 Pop
30:43 UnShift
31:56 Shift
33:25 Splice
38:36 Slice
43:28 Array Methods - Part1
44:22 Map()
55:39 Filter()
57:33 Reduce()
1:03:08 Sort()
1:09:28 Find()
1:11:57 Findindex()
1:13:29 Some()
1:15:17 Every()
1:16:18 Reverse()
1:16:45 Join()
1:19:08 Concat()
1:20:54 Flat()
1:23:17 Conclusion

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Lecture 4 : Arrays and Their Methods | Full Stack Development Free Course
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