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  • Have you met arguments.callee?

    Just the other day I had a need to use arguments.callee and I realized that's not something you really see every day in JavaScript. Maybe I could talk about it a bit. Anonymous functions everywhere It's not news to anyone reading this blog that one of JavaScript's workhorses are anonymous...
    Posted to Sergio Pereira by sergiopereira on 09-10-2010
    Filed under: Tips-and-Tricks, JavaScript, JavaScript-Demystified
  • JavaScript and its love for zeroes

    This post is part of a series called JavaScript Demystified . Answer quick. Do you know what date is being created here? var year = '2009', month = '09', day = '01'; var date = new Date( parseInt(year), parseInt(month), parseInt(day) ); At first glance, it wouldn't surprising...
    Posted to Sergio Pereira by sergiopereira on 09-19-2009
    Filed under: Development, Tips-and-Tricks, JavaScript, JavaScript-Demystified
  • Blocked .js files keep biting me

    This is a tip for those working with JavaScript (and possibly other types of files) that is freely available for download. For the n th time in the last few months I spent an unnecessary amount of time trying to find a problem in my code that wasn't really there. Windows keeps track of the files...
    Posted to Sergio Pereira by sergiopereira on 04-03-2009
    Filed under: Development, Tips-and-Tricks, JavaScript
  • jQuery Character Table

    The other day I was looking for the HTML code for the ⌘ (in case you can't see it, that's the command key symbol), found in mac keyboards. It was not the first time I was looking for the HTML code for one of those funky characters. I remember having a hard time trying to represent some Math symbols...
    Posted to Sergio Pereira by sergiopereira on 12-29-2008
    Filed under: Tips-and-Tricks, JavaScript
  • Don't be sloppy in your scripts

    For a few weeks now, every time I try to logoff from my home banking website something bad happens. See screenshot below. (screenshot eaten by backup failure.) Firebug opens unexpectedly There's a frigging debugger; statement in the live production site The logoff process hangs until I press F8 in...
    Posted to Sergio Pereira by sergiopereira on 11-14-2008
    Filed under: Development, Tips-and-Tricks, JavaScript
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