Hi,

Check out this video introducing the odoo JavaScript development: Introduction To Odoo JavaScript Development

Also check this: Odoo JavaScript Development

Thanks

Hello, I've recently published a tutorial series about building a JavaScript Odoo widget that handles markdown with Test-Driven Development.

The focus is on writing unit tests for an Odoo widget in Odoo 14 so it may not be totally beginner-friendly but maybe it will be interesting to you:

https://codingdodo.com/create-odoo-markdown-widget-field-with-tdd-part-1

For learning Odoo JS Best YouTube channel "School of Though"

https://www.youtube.com/watch?v=lLbjhlXqt98&t=937s

odoo tutorials 

http://www.oocademy.com/v14.0/tutorials

Hey there, 

There are plenty of good tutorials on web. You may have a look at the following, compare them. 

http://blog.odoobeats.com/2020/06/how-to-add-custom-action-buttons-in.html (great article by Odoo as mentioned above), https://javascript.info/, https://codegym.cc/, https://www.tutorialspoint.com/javascript/index.htm.

Hi,

Best solution for Odoo JavaScript development is Odoo official documentation itself

https://www.odoo.com/documentation/13.0/reference/javascript_reference.html

You can also follow our blog series about learning Odoo JavaScript development from the scratch

http://blog.odoobeats.com/2020/06/how-to-add-custom-action-buttons-in.html

Thanks