Duke Coursera Javascript : TO DO List

This (PDF) is one of those that I think you should build completely from memory (Google/chatGPT fair game) every few weeks to stay sharp - if you're into web that is.. If you're only using the course to satisfy a pre-req for getting into software architecture, that's a different thing..

https://codepen.io/chipdesigner/pen/YzOGBGp

I added the extra-credit feature and even went beyond, but I didn't think in terms of a software product. If you just add code, then how can you charge for an additional license for the new feature? 😊 Meaning, you need to add the feature in a smart, modular way. Ja?

How do you change the onclick value of a button when you're passing an argument (if not passing, you just do whatever.onclick=nameoffunc; // no quotes or ()

Ans : whatever.onclick= function() { nameoffunc( arg );};

For submitting a text-field when ENTER is pressed : 

Thanks : https://stackoverflow.com/questions/16011312/how-can-i-execute-a-function-on-pressing-the-enter-key-in-an-input-field