When you execute something synchronously, you wait for it to finish before moving on to another task. When you execute something asynchronously, you can move on to another task before it finishes. In the context of operating systems, this corresponds to executing a process or task on a “thread.” A thread is a series of … Read more
As you’re making a synchronous request, that should be function getRemote() { return $.ajax({ type: “GET”, url: remote_url, async: false }).responseText; } Example – http://api.jquery.com/jQuery.ajax/#example-3 PLEASE NOTE: Setting async property to false is deprecated and in the process of being removed (link). Many browsers including Firefox and Chrome have already started to print a warning … Read more
The difference is that in the first example, the program will block in the first line. The next line (console.log) will have to wait. In the second example, the console.log will be executed WHILE the query is being processed. That is, the query will be processed in the background, while your program is doing other … Read more
In many circumstances they are different names for the same thing, but in some contexts they are quite different. So it depends. Terminology is not applied in a totally consistent way across the whole software industry. For example in the classic sockets API, a non-blocking socket is one that simply returns immediately with a special … Read more
When you execute something synchronously, you wait for it to finish before moving on to another task. When you execute something asynchronously, you can move on to another task before it finishes. That being said, in the context of computers this translates into executing a process or task on another “thread.” A thread is a … Read more