Archive for category javascript

XKCD Colour Survey – a 3D visualisation

Randall Munroe (of XKCD) has been running a “name the colour” survey for the last few months and today released the data. The results are broken down by gender, and he makes some fascinating obvservations.

I’ve been working on a colour-related project on and off for about a year now, and part of that has involved creating visualisations of the RGB colour space – plotting red on the X axis, blue on Y, green on Z. So I thought it would be interesting to map XKCD’s 954 most common colour names in three dimensions – his charts are nice n’ all, but sexy javascript 3d is, well, sexier:

XKCD Colour Names in 3d

If you click that, you’ll be taken to the demo page, where you can interact with the cube. It’s a bit juddery, working entirely with divs and DOM manipulation, rather than canvas. Here’s a view from the side angle that shows off the “3d-ness” a bit more:

Of course, a canvas is really a better solution, so here’s a version that renders onto canvas, which is much much faster, but currently omits the names:

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Super Useful Web Dev Tools

OMG, it’s been a whole month since my last update.

I have draft posts about all kinds of Good Stuffâ„¢, but none are quite publishable yet. So today I’m just going to point you at a few great resources I use all the time while doing my web development magic:

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Break out of infinite alert() popups!

How many times have you been developing in javascript and said “I’ll just pop it in an alert”, alt-tab, refresh and then the sudden sinking feeling as you realise that you’re about to get 300 alert popups?

Damn! Now you have to sit there and press OK a bajillion times, or restart the browser – which is a pain because you’ll lose all your tabs, and more importantly you’ll lose your concentration while you load everything up again.

We’ve all been there. But recently I found a neat little trick to break out of infinite javascript alert loops in firefox:

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Hacking Facebook

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Hacking Facebook with Javascript

now updated for the latest (March 2010) version of facebook!

Because facebook relies so heavily on javascript, and because we can type javascript into the address bar, that means we can “poke” into the workings of facebook to do things that we wouldn’t normally be able to do. It’s not “hacking” exactly, but it employs the same sort of skills hackers use when looking into applications. The best part is that because it’s all using the same control codes (or “API”) that facebook uses, there’s no way for facebook to find out you’re doing it, so it’s totally safe! (I think…) Besides, we’re not going to be doing anything too dodgy, just a few little tweaks ;)

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