
Angular Cookbook
By :

In the previous recipe, we learned how to use the switchMap
operator to cancel previous HTTP calls if a new HTTP call comes. This is fine, but why even send multiple calls when we can use a technique to wait a while before we send an HTTP call? Ideally, we'll just keep listening to duplicate requests for a period of time and will then proceed with the latest request. In this recipe, we'll be using the debounceTime
operator to make sure we're only sending the HTTP call when the user stops typing for a while.
The project that we are going to work with resides in chapter05/start_here/using-debouncetime-operator
, inside the cloned repository.
npm install
to install the dependencies of the project. ng serve -o
. This should open the app in a new browser tab, and you should see something like this:
Figure...