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Sort of Confusing
Some of the worst JavaScript code I have seen has to do with sorting data. JavaScript has a flexible array sort method, but it takes a while to get the hang of using it. Programmers seem to do fine...
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Do While Once in a While
The other day, a programmer I follow on Twitter was pleased because he had found a good use for a do/while loop. When a programmer gets excited by a loop construct, you know something is wrong. The...
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Falsies
We call values that loosely evaluate to false “falsy.” What does “loosely” mean in this context? There are two comparison operators to test equivalence in JavaScript (== and ===). The first is loose,...
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JavaScript Functions are Weird, Too
Remember when I said that JavaScript arrays are weird because they are also objects? Aside from their numbered elements, they can have, in addition, hash elements (a key and a value). Believe it or...
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Default Parameters, Episode V
I keep a pretty close eye on the searches that bring people to this blog. A lot of you are searching for how to sort in JavaScript (I’ll have to go into more detail on sorting soon). And a whole mess...
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Eliminating Duplicates
Yesterday I ran into a programming problem and I didn’t like any of the solutions I came up with. I went to bed kind of grouchy about it. Here’s the problem: Given a huge number of strings, return an...
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Combinations and Permutations in JavaScript
In JavaScript Numbers Can Bite, I talked about a problem that can crop up in JavaScript when you’re doing calculations with integers. At the end of the post I hinted at a better way to write the...
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Review: Balsamiq Mockups
How do you design the layout of a website? My favorite way is with Balsamiq Mockups, which I first heard about at Ajaxian. Why Balsamiq? Very short learning curve. Anyone on the team can make changes...
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