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Monthly Archives: July 2009
jQuery check for element visibility
What if the element exists in the DOM That was described in my recent post and it describes the case when you have a particular element in the DOM tree, or if that element does not exists. example: <div id="holder"> … Continue reading
JavaScript closures in brief
What’s a closure Well every javascript programer knows that a variable defined in javascript file with the var declaration is global into all javascript code. var a = 12; console.log(a); that code prints 12 into the console. Note: console object … Continue reading
jQuery OS detection
JavaScript libraries and OS Particularly in that case I’m using jQuery which is enough famous, so I’m not going to introduce it, but however you can use any library, and this remains of your choice. The interesting part here is … Continue reading
Posted in javascript, micro tutorial
Tagged javascript, jquery, os detection, quirksmode
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jquery check for element existence in the DOM
Select the element If you’re familiar with jQuery, which I suppose is true, you know how to select an element, for instance if there’s an element with id element_id, you do: $(‘#element_id’) If the element exists in the DOM if … Continue reading
write in the Safari javascript console
If you’ve to debug some script in Safari, and you’d wish to write into the javascript console, the simple advice is to use the same code as in Firefox. console.log(object); That’s all.