Class Selector (".class”)

jQuery

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Class Selector (“.class”)

Categories: Selectors > Basic

class selector

Description: Selects all elements with the given class.

  • version added: 1.0jQuery( ".class" )

    class: A class to search for. An element can have multiple classes; only one of them must match.

For class selectors, jQuery uses JavaScript's native getElementsByClassName() function if the browser supports it.

Examples:

Example: Finds the element with the class "myClass".

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                                        <!DOCTYPE html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <head>
                                      
                                    

                                  

                                  

                                    

                                        <style>
                                    

                                  

                                  

                                    

                                        div,span {
                                    

                                  

                                  

                                    

                                          width: 100px;
                                    

                                  

                                  

                                    

                                          height: 40px;
                                    

                                  

                                  

                                    

                                          float:left;
                                    

                                  

                                  

                                    

                                          padding: 10px;
                                    

                                  

                                  

                                    

                                          margin: 10px;
                                    

                                  

                                  

                                    

                                          background-color: #EEEEEE;
                                    

                                  

                                  

                                    

                                        }
                                    

                                  

                                  

                                    

                                        </style>
                                    

                                  

                                  

                                    

                                        <script src="http://code.jquery.com/jquery-latest.js"></script>
                                    

                                  

                                  

                                    

                                      
                                        </head>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <body>
                                      
                                    

                                  

                                  

                                    

                                        <div class="notMe">div class="notMe"</div>
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                        <div class="myClass">div class="myClass"</div>
                                    

                                  

                                  

                                    

                                        <span class="myClass">span class="myClass"</span>
                                    

                                  

                                  

                                    

                                      
                                        <script>
                                        $(".myClass").css("border","3px solid red");
                                        </script>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        </body>
                                      
                                    

                                  

                                  

                                    

                                      
                                        </html>

Example: Finds the element with both "myclass" and "otherclass" classes.

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                                        <!DOCTYPE html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <head>
                                      
                                    

                                  

                                  

                                    

                                        <style>
                                    

                                  

                                  

                                    

                                        div,span {
                                    

                                  

                                  

                                    

                                          width: 100px;
                                    

                                  

                                  

                                    

                                          height: 40px;
                                    

                                  

                                  

                                    

                                          float:left;
                                    

                                  

                                  

                                    

                                          padding: 10px;
                                    

                                  

                                  

                                    

                                          margin: 10px;
                                    

                                  

                                  

                                    

                                          background-color: #EEEEEE;
                                    

                                  

                                  

                                    

                                        }
                                    

                                  

                                  

                                    

                                        </style>
                                    

                                  

                                  

                                    

                                        <script src="http://code.jquery.com/jquery-latest.js"></script>
                                    

                                  

                                  

                                    

                                      
                                        </head>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <body>
                                      
                                    

                                  

                                  

                                    

                                        <div class="myclass">div class="notMe"</div>
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                        <div class="myclass otherclass">div class="myClass"</div>
                                    

                                  

                                  

                                    

                                        <span class="myclass otherclass">span class="myClass"</span>
                                    

                                  

                                  

                                    

                                      
                                        <script>
                                        $(".myclass.otherclass").css("border","13px solid red");
                                        </script>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        </body>
                                      
                                    

                                  

                                  

                                    

                                      
                                        </html>
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