JavaScript Promise finally() Method

The finally() method of the Promise object is used to return a callback when a Promise is settled (either fulfilled or rejected).

Syntax:

task.finally(onFinally() {
});

Parameters:

This method has a single parameter as mentioned above and described below:

• onFinally: It is the function that will be called when the Promise is settled.

Return Value:

It returns a Promise whose finally handler is set to the specified function.

Example: The below example demonstrates the finally() method:

Output:

Error: Promise has been rejected!
This is finally() block that is executed after Promise is settled

Supported Browsers:

• Chrome
• Edge
• Firefox
• Safari
• Opera