I learnt Javascrip many years ago. I caught up as far as Ajax and jQuery, but I’m behind now on thngs like ‘fetch’ and ‘promises’. Can anyone recommend a book or web resource which I can use to catch up quickly without having to start from scratch?.
Quick catchup: fetch is a shortform for XHR requests.
promises are handling asynchronous activities; it promises something will be done, and then check the result later.
Thank you. That’s helpful but I’m looking for more guidance on how to implement those functions and other ‘new’ JS. For example I’ve read that there are alternatives to ‘pop up’ windows, because phones don’t do pop ups. I’d prefer a book (I find it easier to concentrate) but an online tutorial would be OK).
I have a number of excellent Sitepoint books but they’re all dated now…
Javascript: The Definitive Guide (Seventh Edition)
I would say it is still the go to book, and has an excellent section on the fetch api.
You could try out their 10 day trial membership and have a read of it to see what you think.
The book is 4 years old now, so for an up to date resource MDN is another go to.
This may be a good source:
https://www.freecodecamp.org/news/javascript-promise-object-explained/ and https://www.freecodecamp.org/news/javascript-fetch-api-for-beginners/.
Thank you. That was also useful. I have ordered the O’Reilly book now, so I’ll soon have all the info I need, and probably more. It is hard keeping up as a one man operation.
1 Like
I empathise, I had a few years out when I returned to this forum some years ago. I was very much in the same boat.
It shouldn’t take you long to catch up, and I’m sure people here will be able to help you out 
1 Like
Thank you for your sympathy! I should retire soon, but I’m only 83, and we run a small B&B business, so I have to keep the web site going. We get a lot of online bookings, relying on our own system which I originally wrote almost 20 years ago.
1 Like
This topic was automatically closed 30 days after the last reply. New replies are no longer allowed.