Andrej Krivulčík

Exercise 40 answer doesn't work in firefox

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The sample answer for Exercise 40 doesn't work in firefox because of https://bugzilla.mozilla.org/show_bug.cgi?id=112379 . The code uses String.fromCharCode(e.keyCode) where e is keypress event. Firefox uses charCode for events which generate...

Some exercises don't have answers, clicking "Show all answers" clears the code

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Some exercises which are actually demonstrations don't have answers in the code. This causes them to lose the demonstration code when the user clicks the "Show all the answers so...