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    copied!<p>I've gave my vote to Igor's answer, but, because I wanted to put a full example in jsfiddle, here you go: <a href="http://jsfiddle.net/jeffrenaud/JDYMt/" rel="nofollow">http://jsfiddle.net/jeffrenaud/JDYMt/</a></p> <p>I've added the possibility to have an 'Any' options, so that there's no filter on a particular element.</p> <p>Here's a summary:</p> <p>HTML:</p> <pre><code>&lt;label for="food"&gt;Food:&lt;/label&gt; &lt;select id="food"&gt; &lt;option value=""&gt;Any&lt;/option&gt; &lt;option value="burger"&gt;Burger&lt;/option&gt; &lt;option value="chicken"&gt;Chicken&lt;/option&gt; &lt;option value="pizza"&gt;Pizza&lt;/option&gt; &lt;/select&gt; &lt;label for="drink"&gt;Drink:&lt;/label&gt; &lt;select id="drink"&gt; &lt;option value=""&gt;Any&lt;/option&gt; &lt;option value="coke"&gt;Coke&lt;/option&gt; &lt;option value="pepsi"&gt;Pepsi&lt;/option&gt; &lt;option value="sprite"&gt;Sprite&lt;/option&gt; &lt;option value="root beer"&gt;Root beer&lt;/option&gt; &lt;option value="mist"&gt;Mist&lt;/option&gt; &lt;/select&gt; &lt;ul id="result"&gt;&lt;/ul&gt; </code></pre> <p>JavaScript: </p> <pre><code>var restaurants = [ { "restaurant": { "name": "McDonald's", "food": "burger", "drink": "coke", "content": "Lorem ipsum dolor sit amet" } }, { "restaurant": { "name": "KFC", "food": "chicken", "drink": "pepsi", "content": "Lorem ipsum dolor sit amet" } }, { "restaurant": { "name": "Pizza Hut", "food": "pizza", "drink": "sprite", "content": "Lorem ipsum dolor sit amet" } }, { "restaurant": { "name": "Dominos", "food": "pizza", "drink": "root beer", "content": "Lorem ipsum dolor sit amet" } }, { "restaurant": { "name": "Popeyes", "food": "chicken", "drink": "mist", "content": "Lorem ipsum dolor sit amet" } } ]; var $food = $('#food'), $drink = $('#drink'), $result = $('#result'); $food.change(function () { onChange(); }); $drink.change(function () { onChange(); }); function onChange() { var findedRestaurants = findRestaurants(); showRestaurants(findedRestaurants); } function findRestaurants() { return filter($food.find('option:selected').val(), $drink.find('option:selected').val()); } function filter(food, drink) { var result = []; for (var i = 0; i &lt; restaurants.length; i++) { var restaurant = restaurants[i].restaurant; if ((!food || restaurant.food === food) &amp;&amp; (!drink || restaurant.drink === drink)) { result.push(restaurant); } } return result; } function showRestaurants(restaurants) { $result.empty(); for (var i = 0; i &lt; restaurants.length; i++) { $result.append($('&lt;li&gt;' + restaurants[i].name + '&lt;/li&gt;')); } } onChange(); </code></pre>
 

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