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jQuery | Get and Set CSS Classes
  • Last Updated : 27 Feb, 2019

jQuery has various methods for CSS manipulation which are listed below:

  • addClass(): Adds one or more classes to the selected elements
  • removeClass(): Removes one or more classes from selected elements
  • toggleClass(): Toggles between adding or removing classes from selected elements
  • css(): Sets or returns style attribute
  • jQuery addClass() Method: The addClass is used to add more property to each selected element. It can also be used to change the property of the selected element.

    Syntax:

    $(content).addClass(target)

    Example:

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    code

    <!DOCTYPE html>
    <html>
          
    <head>
        <title>
            jQuery addClass() Method
        </title>
          
        <script src=
        </script>
          
        <!-- Script to use addClass method -->
        <script>
        $(document).ready(function() {
            $("button").click(function() {
                $("h1, h2, p").addClass("green");
                $("div").addClass("abs");
            });
        });
        </script>
          
        <style>
            .abs {
                font-weight: bold;
                font-size: xx-large;
            }
            .green {
                color:green;
            }
        </style>
    </head>
      
    <body>
        <h1>GFG</h1>
          
        <h2>GeeksForGeeks</h2>
          
        <p>This is gfg.</p>
          
        <div>This is some different text.</div><br>
          
        <button>Add classes to elements</button>
    </body>
    </html>                    

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    Output:

    • Before click on the button:
    • After click on the button:
  • jQuery removeClass() Method: This method is used to remove a specific class attribute from different elements.

    Syntax:



    $(content).removeClass(target)

    Example:

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    <!DOCTYPE html>
    <html>
          
    <head>
        <script src=
        </script>
          
        <!-- Script to use removeClass method -->
        <script>
            $(document).ready(function() {
                $("button").click(function() {
                    $("h1, h2, p").removeClass("green");
                });
            });
        </script>
          
        <style>
        .important {
        font-weight: bold;
        font-size: xx-large;
        }
        .green {
        color:green;
        }
        </style>
    </head>
      
    <body>
        <h1 class="green">Heading 1</h1>
        <h2 class="green">GFG</h2>
          
        <p class="green">welcome to GeeksForGeeks.</p>
        <p>This is other paragraph.</p>
          
        <button>Remove class from elements</button>
    </body>
      
    </html>                    

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    Output:

    • Before click on the button:
    • After click on the button:
  • jQuery toggleClass() Method: This method toggles between adding or removing classes from selected elements.

    Syntax:

    $(content).toggleClass(target)

    Example:

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    <!DOCTYPE html>
    <html>
          
    <head>
        <script src=
        </script>
          
        <!-- Script to use toggleClass() method -->
        <script>
            $(document).ready(function() {
                $("button").click(function() {
                    $("h1, h2, p").toggleClass("green");
                });
            });
        </script>
          
        <style>
        .green {
            color:lightgreen;
        }
        </style>
    </head>
      
    <body>
        <h1>Heading</h1>
        <h2>gfg</h2>
          
        <p>welcome to gfg</p>
        <p>This is other paragraph.</p>
          
        <button>Toggle class</button>
    </body>
      
    </html>                    

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    Output:

    • Before click on the button:
    • After click on the button:
  • jQuery css() Method: This method sets or returns one or more style properties for selected elements.
    Syntax:

    $(content).css(target)

    Example:

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    code

    <!DOCTYPE html>
    <html>
          
    <head>
        <script src=
        </script>
          
        <!-- Script to use css() method -->
        <script>
            $(document).ready(function() {
                $("button").click(function() {
                    alert("Background color = " 
                        + $("p").css("background-color"));
                });
            });
        </script>
    </head>
      
    <body>
        <h2>This is a heading</h2>
          
        <p style="background-color:green;">This is a gfg.</p>
        <p style="background-color:lightgreen">This is a gfg.</p>
        <p style="background-color:blue">This is a gfg.</p>
          
        <button>background-color of p</button>
    </body>
      
    </html>                    

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    Output:

    • Before click on the button:
    • After click on the button:
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