How can I select all elements without a given class in jQuery?

Given the following:

<ul id="list">
    <li>Item 1</li>
    <li class="active">Item 2</li>
    <li>Item 3</li>
    <li>Item 4</li>
    <li>Item 5</li>
<开发者_开发百科/ul>

How can I select all but Item 2, AKA something like:

$("ul#list li!active")

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You can use the .not() method or :not() selector

Code based on your example:

$("ul#list li").not(".active") // not method
$("ul#list li:not(.active)")   // not selector

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What about $("ul#list li:not(.active)")?

http://api.jquery.com/not-selector/

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You could use this to pick all li elements without class:

$('ul#list li:not([class])')

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Refer to the jQuery API documentation: not() selector and not equal selector.

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if (!$(row).hasClass("changed")) {
    // do your stuff
}