Code that uses async and await is asynchronous,but it looks a lot like synchronous code.For example, here’s some code that uses awaitto wait for the result of an asynchronous function:

To use await, code must be in an async function—afunction marked as async:

Use try, catch, and finally to handle errors and cleanup in code that usesawait:

You can use await multiple times in an async function.For example, the following code waits three timesfor the results of functions:

If you get a compile-time error when using await,make sure await is in an async function.For example, to use await in your app’s main() function,the body of main() must be marked as :