April 2018
Beginner
226 pages
4h 47m
English
Content preview from JavaScript and JSON Essentials - Second Edition
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The problem with cross-domain AJAX calls
All the asynchronous calls that we have made until now have been on the node server. The node server has already handled the functionality for supporting CORS. There are situations where we want to load data from a different domain, such as fetching data from other APIs, which may not have CORS supports. Server-side programs are designed to handle these kinds of call; we can use cURL to make HTTP calls to different domains to fetch such data. This increases our dependency on server-side programs as we have to make a call to our server, which in turn makes a call to another domain to fetch the data, which is returned to a client-side program. It might come across as being a trivial issue, but we are ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.