Code input breakdown

I went to Starbucks the other day. On the receipt was a code to enter on their website, so I went there on my computer. As a front-end developer, I was impressed with the behavior of the form. Unless you do this for a living and/or hobby, you probably might not be.

Deconstructing PayPal’s spinner

I was buying a book for my daughter over PayPal earlier today. As my money was being sped away from me over the intertubes, I was presented with a loading indicator, known in the web dev trade as a spinner. I liked that spinner. I wanted to know how they did it.