First Class Functions in JavaScript

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JavaScript has first-class functions. This means functions can be treated like other values, which turns out to be incredibly important behavior to understand as you advance as a JavaScript developer. The following three bullets represent important first-class function behavior:

- Functions can be assigned to variables
- Functions can be passed as arguments to other functions
- Functions can be returned from other functions

[punklast]

You helped me so much dude with writing my functional programming paper by letting me understand first-class functions better

[alperenozkan]

We are waiting for the next tutorials. Good job bro👍🏻

[rahulrockz]

yeah thats great job Man !! i was searching for this all around and u know this is Worth Watching !! Please add more videos on javascript ur way of clear and easy explaination can earn u more subscribers :) btw i hit that button :p

[zacharysain]

Wish you'd spent more time explaining the last part.

[hughclarke]

Great job but I found the tutorial too fast especially for beginners. It gets confusing. When you know something it just rolls of the tongue. If you do a video, do it at a slower pace and assume we don't know anything.

[BenjiFriedman]

In the second example, what is the syntax for passing arguments to the function being used as an argument?

[bigvlogger]

Thanks good tutorial can you make tuts about canvas image processing computer vision with javascript

[vuhoang]

First of all, thank you for the video, it's very understandable. There are 2 things I want to ask:
1. Does the second greeter() method is a callback?
2. On GreeterMarker(), is this a closure?