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moving videos down under sketchnotes

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Jen Looper
2020-11-14 15:53:22 -05:00
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2-js-basics/2-functions-methods/README.md
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# JavaScript Basics: Methods and Functions
[![Methods and Functions](https://img.youtube.com/vi/XgKsD6Zwvlc/0.jpg)](https://youtube.com/watch?v=XgKsD6Zwvlc "Methods and Functions")
![JavaScript Basics - Functions](images/webdev101-js-functions.png)
> Sketchnote by [Tomomi Imura](https://twitter.com/girlie_mac)
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When we think about writing code, we always want to ensure our code is readable. While this sounds counterintuitive, code is read many more times than it's written. One core tool in a developer's toolbox to ensure maintainable code is the **function**.
[![Methods and Functions](https://img.youtube.com/vi/XgKsD6Zwvlc/0.jpg)](https://youtube.com/watch?v=XgKsD6Zwvlc "Methods and Functions")
## Functions
At its core, a function is a block of code we can execute on demand. This is perfect for scenarios where we need to perform the same task multiple times; rather than duplicating the logic in multiple locations (which would make it hard to update when the time comes), we can centralize it in one location, and call it whenever we need the operation performed - you can even call functions from other functions!.