Magento 2 - How to add custom JS file into Blocks

[Aveeva]

How to get JS file in the blocks,

How to declare like -> 

<script type="text/javascript" src="{{skin url=''}}js/my_custom.js"></script>

My JS path: app/design/frontend/Codazon/fastest/grocery_gourmet/web/js/my_custom.js

OR Recommended way to declare JS.

[Rahul Gupta]

@Aveeva Have a look at below link.

https://magento.stackexchange.com/questions/156035/how-to-add-a-custom-javascript-to-theme-in-magent...

Thanks