Map in chapter 4. Documentation?

[ghost]

Hello there!

I really like you guide!

So I have a question. In chapter 4 you mention the method "map" as in:
"We also have the ability to transform any function that works on single elements into a function that works on arrays simply by wrapping it with map"

Where does this map come from? It's used like it is a native javascript method, but I cannot find any documentation on it.

[ChetHarrison]

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map

On Oct 27, 2015, at 3:00 AM, Moritz Sattler [email protected] wrote:

Hello there!

I really like you guide!

So I have a question. In chapter 4 you mention the method "map" as in:
"We also have the ability to transform any function that works on single elements into a function that works on arrays simply by wrapping it with map"

Where does this map come from? It's used like it is a native javascript method, but I cannot find any documentation on it.

—
Reply to this email directly or view it on GitHub #198.

[ChetHarrison]

Spend some time with this!

http://reactivex.io/learnrx/ http://reactivex.io/learnrx/

On Oct 27, 2015, at 3:00 AM, Moritz Sattler [email protected] wrote:

Hello there!

I really like you guide!

So I have a question. In chapter 4 you mention the method "map" as in:
"We also have the ability to transform any function that works on single elements into a function that works on arrays simply by wrapping it with map"

Where does this map come from? It's used like it is a native javascript method, but I cannot find any documentation on it.

—
Reply to this email directly or view it on GitHub #198.

[ghost]

But this is a method of Array, as where the map in the example seems to be a function.

[ChetHarrison]

I believe Brian is referring to the Ramda implementation of map. But it is fairly trivial to roll your own. Check out the tutorial link I just sent you. You will see what I am talking about.

On Oct 27, 2015, at 8:24 AM, Moritz Sattler [email protected] wrote:

But this is a method of Array, as where the map in the example seems to be a function.

—
Reply to this email directly or view it on GitHub #198 (comment).

[lyyourc]

@Moezalez
I think it's a native JavaScript method with currying, check out support.js :)

[mallowigi]

This is part of one of his libraries

[ghost]

I feel like this should be a little more clear