Section 11 — Working With Arrays
Learning JavaScript
Course: The Complete JavaScript Course 2025: From Zero to Expert! by Jonas Schmedtmann
Introduction
I looked into different lecture videos in this section such as;
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- Section Intro
- Simple Array Methods
- The new at Method
- Looping Arrays forEach
- forEach With Maps and Sets
- PROJECT: Bankist App
- Creating DOM Elements
- Coding Challenge #1
- Data Transformations map, filter, reduce
- The map Method
- Computing Usernames
- The filter Method
- The reduce Method
- Coding Challenge #2
- The Magic of Chaining Methods
- Coding Challenge #3
- The find Method
- Implementing Login
- Implementing Transfers
- The findIndex Method
- some and every
- flat and flatMap
- Sorting Arrays
- More Ways of Creating and Filling Arrays
- Summary Which Array Method to Use
- Array Methods Practice
- Coding Challenge #4
That’s a wrap on this section, see you in the next one.
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