JQuery convert div ID to index

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Hi all,

Please help?

I have a JQuery accordion, and would like to programmatically open a specific tab based on the ID of the tab. I feel that I need to get the index(?) of the div with the required ID in the accordion, and then call

JavaScript

$("#accordion").accordion({active: numberOfDivToOpen});

The problem however is, how do I get the correct number of the div in the accordion, as I understand from the API that I can open accordion tabs based on its 0-index numbering?

example:

HTML

<div id="accordion">
<h3>Pretoria info</h3>
<div id="pretoria">some text</div>
<h3>Johannesburg Info</h3>
<div id="johannesburg">some text</div>
</div>

JavaScript

$("#accordion").accordion({active: "#pretoria"});

Thank you in advance!

Posted 17-May-13 8:33am

Michelle Phoenix

Updated 17-May-13 8:45am

v2

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Sergey Alexandrovich Kryukov · Accepted Answer · 2013-05-17T08:45:00

The set of your children will be

JavaScript

parent = $("#accordion");
children = parent.children();

Please see: http://api.jquery.com/children/[^].

Do with then whatever you want. For example you can always enumerate them:

JavaScript

children.each(function () {
   // do something with each child
});

Note that you can, for example, add any property to each object, such as "ordinal value":

C#

order = 0;
children.each(function () {
   this["Order"] = order;
   ++order;
});

Please see: http://api.jquery.com/jQuery.each/[^].

—SA