The concept of 'done-ness' is not something that is often considered when writing functions in JavaScript — you end up just running out of data or a function stops getting called.
There are many async scenarios that make sense to signal that work is completed.
By following a completion pattern, we can easily trigger repetition and sequencing (async or not) into our code.
You're in Section 05 of Composing Closures and Callbacks in JavaScript
There are many async scenarios that make sense to signal that work is completed.
By following a completion pattern, we can easily trigger repetition and sequencing (async or not) into our code.
You're in Section 05 of Composing Closures and Callbacks in JavaScript
