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POjQuery UI Tabs "Select" Event Being Overridden by "Click" Event -- Uncaught TypeError
 

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  1. POjQuery UI Tabs "Select" Event Being Overridden by "Click" Event -- Uncaught TypeError
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    <p>I'm having some trouble selecting a tab programmatically. My tabs are loading inside a Fancybox dialog window, which is launched on click of a link. Basically, I want to perform certain actions any time a tab is selected, and also select a specific tab when a link is clicked.</p> <p>I am initializing jQuery UI Tabs with the <code>select</code> event like so:</p> <pre><code>$('#tabs').tabs({ select: function(event, ui) { // edit: here is the issue var activePanel = '.ui-tabs-panel:visible '; // grab value of a form input var text = $(activePanel + 'someElement').val(); // check its length if ( text.length &gt; 0 ) { // do stuff } } }) </code></pre> <p>Later on in my JS file I have the following:</p> <pre><code>$(document).on('click', 'a.edit', function() { if($category == 'book') { // load the tab specific to the 'book' category $('#tabs').tabs({ selected: 3 }); } }) </code></pre> <p>When I click the <code>a.edit</code> link for an item in the "book" category, my console throws this error:</p> <pre><code>Uncaught TypeError: Cannot read property 'length' of undefined </code></pre> <p>Then, instead of the tabs loading in the Fancybox, nothing happens. This error is <em>not</em> thrown when I click the link for items that are not in the book category. Thus, two things are painfully evident:</p> <ol> <li>I am a n00b</li> <li>My <code>select</code> event is apparently getting overridden by the click event, so <code>text</code> is not set</li> </ol> <p>I've tried setting a default for <code>text</code> at the top of my JS file but that doesn't work. My question, then, is:</p> <p><strong>What is the correct way to initialize UI Tabs with a select event, while also being able to programmatically select a tab with a click event?</strong></p> <p>Or, more concisely,</p> <p><strong>Why am I getting that damn error?</strong></p> <p><em>Edit: I amended my first code block above to include code that I discovered was relevant to my problem. See my answer below for a fuller explanation.</em></p>
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    1. USRyan Burney
    1. USRyan Burney
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    1. COHiya cool so what is $category there must be a syntax error bruv which leads to this further read this, http://stackoverflow.com/questions/6011731/uncaught-typeerror-cannot-read-property-length-of-undefined :) have a nice one, cheerios!
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      1. POjQuery UI Tabs "Select" Event Being Overridden by "Click" Event -- Uncaught TypeError
      1. USTats_innit
    2. COCan you create a [jsFiddle](http://jsfiddle.net) to demo your problem?
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      1. POjQuery UI Tabs "Select" Event Being Overridden by "Click" Event -- Uncaught TypeError
      1. USAyman Safadi
    3. CO@Tats_innit, Ayman Safadi -- thanks for your comments! Your suggestions led me to reevaluate my code and discover the issue.
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      1. POjQuery UI Tabs "Select" Event Being Overridden by "Click" Event -- Uncaught TypeError
      1. USRyan Burney
 

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