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:
Strangely, I havenât found any good introductions to callback functions onlineâI mainly found bits of documentation on the call() and apply() functions, or brief code snippits demonstrating their useâso I decided to try to write a simple introduction to callbacks myself. Functions are objects. To understand callback functions you first have to understand regular functions. This might seen like a âduhâ thing to say, but functions in Javascript are a bit different than (for example) methods in Java. Functions in Javascript are first-class, and are actually objects.