There are many ways to clear an Array or Vector. I’m tired of seeing the foolish ones. Read this and make sure you’re not doing anything foolish:
Archive for category JavaScript
You could probably do this in most languages and it might be hard to spot. See for yourself.
Usually languages just have one way to specify “no value”. Call it null or nil or whatever you’d like, but AS3 and JavaScript have two: null and undefined. Here’s a little bit to help you understand when and why you’ll come across the two as well as some tricky differences between them.
The lowly || operator in the hands of AS3 and JavaScript is not so lowly. Here’s a quick time saver.
Anyone coming from a language like C that doesn’t have a === operator seems shocked when they encounter such a ludicrous operator. For them, and for anyone being a bit careless, simple usage of === can really bite you.
As a sane programmer, you probably wouldn’t ever think to do this. But It’s perfectly legal to do so.
The for-each and for-in loops in JavaScript and AS3 are very convenient ways to avoid the repetition of C-style for loops. Let’s take a look at them all, what they’re good for and bad for, and see if we can find any gotchas.