Eloquent JavaScript Tutorial 5 High-order Functions

Eloquent JavaScript is one of the most popular books for Javascript beginners. This series goes through the whole book chapter by chapter to explain everything in the book, so that you can finish the book by watching all these videos.

Today is about the chapter 5: High-order functions.

In this chapter, you will learn the concepts of high-order functions, which are functions operate on other functions. Hight-order functions are very powerful and complicated in JavaScript.

At the end of every chapter of Eloquent JavaScript, there are some exercises, you should definitely try to solve them. If you need help, just comment here or on my website.

Here is the link to the chapter 5 of Eloquent JavaScript

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If you haven't watched the videos for the other chapters, check them out now:

Chapter 1: Value Types

Chapter 2: Program Structure

Chapter 3: Functions

Chapter 4: Objects and Arrays

Chapter 5: High-order Functions

Chapter 6: Objects

Chapter 7: The Binding of This

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You can find more information and download the slides of the video on my website:

Thank you for watching.

Keywords: Eloquent JavaScript, JavaScript, JavaScript Tutorials, Learn JavaScript, JavaScript Beginner, Learn Coding, Learn Programming, IT Books, JavaScript Books, Programming Books, Coding Tutorials, Programming Tutorials

[David-zqsk]

Hey man thank you for taking the time to make these videos. You may not get a lot back from all your effort, but it's definitely helping me understand this chapter a bit better. I've been getting very frustrated and not wanting to move forward in the book. I feel a lot more comfortable now. I appreciate this greatly, thank you.

[firatnl]

Very descriptive much clearly! I followed all tutorials from past to now and I see you improve yourself about making tutorial! thanks 👍

[ccho]

@Read Coder, thanks for the tutorial! A quick question for this example:
function greaterThan(n){
return function(m) {return m>n;};
}
var greaterThan10 = greaterThan(10);


I tried to do without var
and instead:




but all return false

could you please help me understand why they don't work? and a suggest a way it'll work? Thanks!

[imie-nazwisko]

Can someone explain to me the textScripts function in the Recognizing text section.
What does "char" return?
If it either return script.name or "none" then how does char.codePointAt(0) work?

[lysander]

This is trash, the book is updated now if you're watching get out it's not useful anymore !!!