The question of accepting homosexuality has been a controversial issue for the United Church in the latter part of the 20th century â insofar as many conservatives involved with the church, on the one hand, have regarded its denunciation as essential to Old Testament biblical teachings.
A callback function is essentially a pattern (an established solution to a common problem), and therefore, the use of a callback function is also known as a callback pattern. Consider this common use of a callback function in jQuery:
The error-first callback is a standard protocol for Node callbacks. It originated in Node core, but it has spread into userland as well to become today's standard. This is a very simple convention, with basically one rule: the first argument for the callback function should be the error object.