jQuery - Get and Set CSS Classes

With jQuery, it is easy to manipulate the CSS of elements.

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jQuery Manipulating CSS

jQuery has several methods for CSS manipulation. We will look at the following methods:

• addClass() - Adds one or more classes to the selected elements
• removeClass() - Removes one or more classes from the selected elements
• toggleClass() - Toggles between adding/removing classes from the selected elements
• css() - Sets or returns the style attribute

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Example Stylesheet

The following stylesheet will be used for all the examples on this page:

.important
{
font-weight:bold;
font-size:xx-large;
}

.blue
{
color:blue;
}

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jQuery addClass() Method

The following example shows how to add class attributes to different elements. Of course you can select multiple elements, when adding classes:

Example

$("button").click(function(){
  $("h1,h2,p").addClass("blue");
  $("div").addClass("important");
});

Try it yourself »

You can also specify multiple classes within the addClass() method:

Example

$("button").click(function(){
  $("#div1").addClass("important blue");
});

Try it yourself »

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jQuery removeClass() Method

The following example shows how to remove a specific class attribute from different elements:

Example

$("button").click(function(){
  $("h1,h2,p").removeClass("blue");
});

Try it yourself »

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jQuery toggleClass() Method

The following example will show how to use the jQuery toggleClass() method. This method toggles between adding/removing classes from the selected elements:

Example

$("button").click(function(){
  $("h1,h2,p").toggleClass("blue");
});

Try it yourself »

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jQuery css() Method

The jQuery css() method will be explained in the next chapter.

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jQuery CSS Reference

For a complete overview of all jQuery CSS methods, please go to our jQuery HTML/CSS Reference.