Class manipulation methods in jQuery are really handy, but when you need just them and nothing else out of jQuery, then using entire library seems like a little bit mistake. Using own versions of addClass, removeClass and hasClass sounds like a better idea and for this reason I have wrote following article, where you’ll find an example implementation of these methods.
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A word about interaction between DOM objects in master view (website) and slave view (iframe).
Bear in mind that when writing JavaScript / jQuery code for handling user changes made to dropdown boxes, you must program your website reaction not only to onChange but also to onKeyPress events. Why? There is a rare situation, where user selects value by clicking dropdown and then using keyboard’s cursor up or cursor down keys. onKeyPress event will be fired in this situation instead of onChange event. And desired effect won’t work, if you put it only to onChange event handler.
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The quirksmode.org page has an article on creating, reading and removing cookies in pure Javascript. This blog post presents example codes from mentioned site. Just the pure codes, without a lot of blah-blah that original post contains.
This article discusses using of ternary operator, a very usful yet not so famous, logic operator (if counterpart) in Javascript, PHP and… Delphi. Alright, alright. Since Delphi sucks, it is only mentioned here.
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