Tag Archives: javascript

Depaginate Phoronix Articles

I sketched this for Phoronix, but you could easily adapt it to any site that uses pagination. I think it’s an interesting problem, so if you want to see another site depaginated, just ask me in a comment and I’ll … Continue reading

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JavaScript Performance: Iterating over Arrays with Holes

I was sketching some code that basically took some data from a database and cached it in an array to be repeatedly reused. Conveniently, each row from the database had a unique ID, so I could use that as an … Continue reading

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Defining Functions Inline Is Just Fine

I put together this jsperf to see if there’s a difference between defining your function and then using it or defining it inline when looping with jQuery.each. You can try it yourself if you like, but here are the results: … Continue reading

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JavaScript Strings: instanceof vs. typeof

I’ve discovered some really interesting (read as “horrible”) behavior in Safari 5 and Internet Explorer 9. I was using this with great success in Chrome and Firefox. if (typeof this === ‘string’) {     doStuffWith(this); } Then I test … Continue reading

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That’s Profiling!

I want to see if one string exists in another, case-insensitive. What’s faster? Making the strings both lower case then comparing them with String.match? Comparing the first string to a case-insensitive regular expression of the other? Making them both lower … Continue reading

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Are You Still There?

A scenario: you want to update some content on your page periodically, but you don’t want to waste requests, resources, cycles, etc. on running your script while the user is obviously not interacting with the page. What do you do? … Continue reading

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Add Stable Merge Sort to Array and jQuery Prototypes

Some browsers’ JavaScript implementations don’t implement a stable sort, but stable sorting can be so handy if you want to, say, sort a table by multiple columns. So here’s a quick and easy way to add an efficient, stable merge … Continue reading

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Beyond setTimeout: Delay Your JavaScript with Closures

Have you ever wanted to delay something with JavaScript? So, of course, you look to window.setTimeout. But maybe this is interactive, or you want to be able to interrupt it? Then you save a reference to it, and you pass … Continue reading

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Keep Page Elements the Same Height with jQuery

Many times I have wanted to keep multiple elements on a page the same height. You can use CSS’s display:table and its friends for this, but it doesn’t work very well in IE. You can add conditional tags for IE, … Continue reading

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Framework-Free Automatic Brush Loading for SyntaxHighlighter

Update: Have you heard of SyntaxHighlighter? It’s pretty cool. I like that it adds little controls for popping the code out into a new window in plain text and that it has line numbers. However, I think that these days … Continue reading

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