TypeScript

If you are getting the error for code that runs in the browser, try defining a global exports variable above the script tags that load your JS files.

an example of a print basket: how to get the items and re-save them

Exactly like in JavaScript, you can use the parseInt or parseFloat functions, or simply use the unary + operator:

This is a rather easy one. I was adding my filtering values in my local storage and had to check if a "library" key existed.

I was doing this project with a little excel download in typescript, and figured it would be great to share it.