DevelopmentIntermediate

What is Callback?

A function that runs after another operation completes

Why It Matters

Callbacks let your code handle the results of slow operations like network requests

A callback that displays search results after the search request returns data

A way to handle operations that will complete in the future, with success or failure

A cleaner way to write code that waits for slow operations to complete

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A way to handle operations that will complete in the future, with success or failure

A cleaner way to write code that waits for slow operations to complete

Working on both the frontend (what users see) and backend (the server and database) of an application

JavaScript with added type checking that catches errors before your code runs

The programming language that makes websites interactive and dynamic

Secret settings stored outside your code, like passwords and API keys