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POJquery expand and collapse functionality
 

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    <p>I'm new to Jquery/javascript and I have myself a bunch of levels of links that I need to organize in to lists that are expandable and collapsible via a +/- button.</p> <p>An example of the information I am working with is:</p> <pre><code>Category1 (Level 1) - Subcategory 1 (Level 2) - Subcategory 2 - Subcategory 3 Category2 (Level 1) - Subcategory 1 (Level 2) - Subcategory 2 - Subcategory 3 Category3 (Level 1) - Subcategory 1 (Level 2) ----Subcategory 1 (Level 3) - Subcategory 2 - Subcategory 3 </code></pre> <p>Code wise, it looks like this:</p> <pre><code>&lt;div class="navCol"&gt; &lt;h4&gt;Pet Club&lt;/h4&gt; &lt;ul&gt; &lt;li&gt;&lt;a href="/pc/home"&gt;Pet Home&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/pc/articles"&gt;Arts&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/pc/coupons"&gt;ns&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/pc/pet-prescriptions"&gt;Pet Prescrions&lt;/a&gt;&lt;/li&gt; &lt;/ul&gt; &lt;/div&gt; &lt;div class="navCol"&gt; &lt;h4&gt;Fresh Ideas&lt;/h4&gt; &lt;ul&gt; &lt;li&gt;&lt;a href="/fi/cooking-guide"&gt;Know Yur Food&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/fi/departments"&gt;Depaments&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/fi/gluten-free"&gt;Free&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/fi/house-of-bbq"&gt;HoBQ&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/fi/how-to-shop"&gt;rt&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/fi/kids-cooking-club"&gt;Kidsb&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/fi/price-chopper-products"&gt;Tr&lt;/a&gt;&lt;/li&gt; &lt;/ul&gt; &lt;/div&gt; &lt;div class="navCol"&gt; &lt;h4&gt;vings&lt;/h4&gt; &lt;ul&gt; &lt;li&gt;&lt;a href="/vings/advantedge-card"&gt;w&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/vings/baby-club"&gt;Bb&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/vings/blue-rhino"&gt;asdf&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/vings/grocery-apps"&gt;On &lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/vings/grocery-coupons"&gt;C&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/vings/grocery-offers"&gt;Em&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/vings/grocery-sweepstakes"&gt;P&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/vings/meal-deals"&gt;W&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/vings/pc"&gt;Pet&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/vings/price-chopper-fuel-advantedge"&gt;Fuel&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/vings/school-vings-program"&gt;School&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="/vings/weekly-flyer"&gt;Weekly&lt;/a&gt;&lt;/li&gt; &lt;/ul&gt; &lt;/div&gt; </code></pre> <p>I want to be able to click the category +- and it will show/hide all the links underneath it. Same with subcategory1 in category3 where I am dealing with the third level. How would I be able to implement all the way down to level 3?</p> <p>Should I precede all my links with L1, L2, L3 tags? I have looked at some questions that deal with the +/- sign and implementation but I do not understand a lot of it.</p> <p>Also, how would I go about implementing a button that shows all or expands all on toggle? That is, it would expand to the deepest levels and collapse back to show only the level 1 categories.</p> <p>If you any place where I can start to learn this on my own, that would be greatly appreciated as well. This is my first project and I am confused as to where to start.</p>
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    1. COSee jQueryUI's [Accordion](http://jqueryui.com/demos/accordion/).
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    2. CO@Josh Thank you for the link. I am using visual studio (web). How would go about testing the javascript with the webpage?
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