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  • Bending JavaScript to your will, or why testing JavaScript in the browser can drive you crazy

    by Jason Huggins

    This talk will cover the previously untold story of Selenium's JavaScript internals. You'll learn how Selenium had to trick the browser's single-threaded JavaScript engine into a continuation machine to wait for things like page loads or returned Ajax messages. You'll also learn how Selenium could have used Brendan Eich's Narcissus meta-circular JavaScript interpreter to clean up the mess, and why Narcissus is just really run to play with. (Hint: You can use Narcissus as a code pre-processor to tweak JavaScript into your own little language. Want optional parens on function calls? Done!)

    At 1:30pm to 2:20pm, Saturday 25th April

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