I came across this mathematical problem the other day: […]
READ MOREIn a previous blog post, I talked about the QUnit unit testing library for JavaScript. In that post, I showed how to use it with a date library I was messing around with. If I were you I would review that previous blog post; it will help in what’s to come. […]
READ MOREIn the previous two installments (one, two) we explored the use of callbacks through creating a mapp function for arrays (so called because the latest JavaScripts have a native map method already), and through creating a mapAsync function where the work is done asynchronously rather than serially. The reason for this was so that we could avoid triggering the browser’s “script running a long time” warning and, also, more importantly, provide the user with a responsive UI. […]
Last time, we wrote a map method for arrays (which I had to call mapp, so that we didn’t clash with the native version present in many browsers). To use the map method, you have to provide a callback function that would be called for every element in the array. […]