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Why does a new javascript array have ‘undefined’ entries?

Here’s a sample that demonstrates an array that as you fill it in, it gets all types of undefined entries in it as well. This is on firefox 19.0/firebug, not sure if it happens on other browsers. Basic flow: Object is initialized (very bottom) It calls “load” When the ajax returns in load, data.objects contains an array of json objects.

How to position a div at the top of another div

The first div is the ‘#icon-selection-menu’ bar, it’s idle position is absolute with top:0px and left:0px. So it appears at he top left corner inside the content div. Deep in the content div children I got other divs which are actually kind of ‘.emoticon-button’. Their position is relative inside their parent. On such button click I’d like to position the

Regex to check whether string starts with, ignoring case differences

I need to check whether a word starts with a particular substring ignoring the case differences. I have been doing this check using the following regex search pattern but that does not help when there is difference in case across the strings. my case sensitive way: Answer Pass the i modifier as second argument: Have a look at the documentation

Extract image src from a string

I’m trying to match all the images elements as strings, This is my regex: This works, but I want to extract the src of all the images. So when I execute the regular expression on this String: <img src=”http://static2.ccn.com/ccs/2013/02/img_example.jpg /> it returns: “http://static2.ccn.com/ccs/2013/02/img_example.jpg” Answer You need to use a capture group () to extract the urls, and if you’re wanting

How to get all form elements values using jQuery?

Here is the HTML code: Here the code which will get all form field values: From this I am getting the output value as follows: I want the out as following: Answer You can use a serialize() function of JQuery: And read in PHP: And get ***data-**** to tag HTML5 you can see this example: And

More than one draggable image events in Kinect

I’m creating a script with draggable images which change src when double clicked as : Draggable image event in Kinect Earlier question was answered and works great though if I add another object which will also change src when double-clicked then nothing works. What could be the problem? Answer You have to have a set of different image and click

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