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JavaScript Asynchronous Programming with JavaScript Exploring Async/Await Error Handling with try...catch

Alex Weissman
Alex Weissman
720 Points
Posted by Alex Weissman
Alex Weissman
720 Points

Why do we need to catch and re-throw the error in getJSON?

In purely synchronous programming, there is no point in catching an exception just to re-throw it without doing anything else.

1 Answer

Steven Parker
Steven Parker
216,012 Points
Steven Parker
Steven Parker
216,012 Points

The instructor explains in the video, "The benefit of doing this is that any errors caught here will bubble up and be caught by try catch blocks or catch methods at the top level."

Then, later in the video a code example is provided to show this being used in practice.