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    <p><s>Simply use <code>settings.closeButton.text</code></s></p> <p>JavaScript properties can be accessed using one of two methods:</p> <ul> <li><p><strong>Dot notation</strong></p> <p>The most common and basic way of accessing properties - however illegal variable names (except for reserved words - they are allowed as property names under ES5) will not work.</p> <pre><code>foo.bar; // OK foo.class; // only in ES5 and up foo.&amp;^&amp;%^&amp;@&amp;(@&amp;&amp;@; // SyntaxError: yeah, it doesn't work </code></pre></li> <li><p><strong>Square bracket notation</strong></p> <p>When using the square bracket notation, it can take anything - however it will be converted to a string (all object properties in JavaScript are strings):</p> <pre><code>// both are the same foo['bar']; foo["bar"]; // this is fine foo['&amp;^&amp;%^&amp;@&amp;(@&amp;&amp;@']; // this is equivalent to foo["[object Object]"] foo[{}]; </code></pre></li> </ul> <p>Pick your fancy - but unless you need to, it's most likely easier to use dot notation to access JavaScript object properties.</p> <p><strong>EDIT:</strong> about your jsFiddle, here's why it doesn't work:</p> <pre><code>var options = { // Passing these options in msg: 'This is my message', closeButton: { text: "Close this", colour: "red" } }, // These are the defaults if none are passed in settings = $.extend({ title: 'Default Title', msg: 'Default message', closeButton: { text: "Close", colour: "red", btnClass: "pull-right" } }, options); console.log(settings.closeButton.text); console.log(settings.closeButton.colour); console.log(settings.closeButton.btnClass); /* settings.closeButton.text settings.closeButton.colour settings.closeButton.btnClass */ </code></pre> <p>When you're calling <code>$.extend()</code>, any properties in the later arguments will replace those in the earlier ones. In this case, your <code>closeButton</code> property in your <code>$.extend()</code> call is being replaced by the one in <code>options</code>, since the arguments was given later.</p> <p>Here's an example of this in action:</p> <pre><code>var a = { foo: 'bar' }; var b = { foo: 'baz' }; var c = $.extend(a, b); var d = $.extend(b, a); console.log(c.foo); // baz (b was last argument) console.log(d.foo); // bar (a was given last) </code></pre> <p>To solve this issue, either swap the arguments, or (in this case acceptable) perform a deep copy, by prepending the arguments with <code>true</code>:</p> <pre><code>$.extend({ a: { b: 1, c: 2 } }, { a: { b: 3 } }).a; // { b: 3 } $.extend(true, { a: { b: 1, c: 2 } }, { a: { b: 3 } }).a; // { b: 3, c: 2 } </code></pre>
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    1. POAccessing jQuery plugin properties
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    1. COThat's what I initially tried but no luck I'm afraid
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    2. COHere is a fiddle to show http://jsfiddle.net/U5W5G/1/
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    3. COAh I see thanks for that. So in this case, when not in closeButton, if I don't supply a property, i.e. title, the default title is used, but within the closeButton object, the whole object is being replaced, therefore the btnClass doesn't exist, is this the case?
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