RapidAPI Comic on Sync vs Async Programming
Synchronous vs Asynchronous programming RapidAPI Comic cover, with the RapidAPI Octopus looking up in the corner.
Synchronicity refers to the way code is executed. By default, code is executed sequentially. This is synchronous, but code can also be executed asynchronously. Synchronous calls are blocked, which means all other code execution is halted until the call is returned.
Diagram showing how sync and async code runs. The program is halted as a task is being carried out synchronously. Once the task is complete, the program continues to run. The async program continues to run while the task is also being handled.
The RapidAPI Octopus uses its many arms to carry out lots of tasks simultaneously (texting, coding, painting, reading, drinking coffee, and playing a keyboard). Asynchronous programs act similarly. The browser maintains functionality rather than being held up waiting on a request. This can lead to better performance and user experience.
The RapidAPI Octopus coding on a laptop that is communicating with a server. It isn't always necessary to use async instead of synchronous options. Synchronous code is great for programs that react to environmental input.
Tasks that may take longer and be disruptive, such as a database query, will be much better handled asynchronously. Ultimately it depends on the requirements of your program.