:checked Selector

jQuery

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:checked Selector

Categories: Selectors > Form

checked selector

Description: Matches all elements that are checked.

  • version added: 1.0jQuery( ":checked" )

The :checked selector works for checkboxes and radio buttons. For select elements, use the :selected selector.

Examples:

Example: Determine how many input elements are checked.

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                                        <!DOCTYPE html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <head>
                                      
                                    

                                  

                                  

                                    

                                        <style>
                                    

                                  

                                  

                                    

                                        div { color:red; }
                                    

                                  

                                  

                                    

                                        </style>
                                    

                                  

                                  

                                    

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

                                  

                                  

                                    

                                      
                                        </head>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <body>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        <form>
                                      
                                    

                                  

                                  

                                    

                                        <p>
                                    

                                  

                                  

                                    

                                          <input type="checkbox" name="newsletter" value="Hourly" checked="checked">
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                          <input type="checkbox" name="newsletter" value="Daily">
                                    

                                  

                                  

                                    

                                          <input type="checkbox" name="newsletter" value="Weekly">
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                          <input type="checkbox" name="newsletter" value="Monthly" checked>
                                    

                                  

                                  

                                    

                                          <input type="checkbox" name="newsletter" value="Yearly">
                                    

                                  

                                  

                                    

                                        </p>
                                    

                                  

                                  

                                    

                                      
                                        </form>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <div>
                                        </div>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        <script>
                                        
                                      
                                    

                                  

                                  

                                    

                                      var countChecked = function() {
                                    

                                  

                                  

                                    

                                        var n = $( "input:checked" ).length;
                                    

                                  

                                  

                                    

                                        $( "div" ).text( n + (n === 1 ? " is" : " are") + " checked!" );
                                    

                                  

                                  

                                    

                                      };
                                    

                                  

                                  

                                    

                                      countChecked();
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      $( "input[type=checkbox]" ).on( "click", countChecked );
                                    

                                  

                                  

                                    

                                      
                                        </script>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        </body>
                                      
                                    

                                  

                                  

                                    

                                      
                                        </html>

Example: Identify the checked radio input.

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                                        <!DOCTYPE html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <head>
                                      
                                    

                                  

                                  

                                    

                                        <style>
                                    

                                  

                                  

                                    

                                      input, label { line-height: 1.5em; }
                                    

                                  

                                  

                                    

                                      
                                        </style>
                                      
                                    

                                  

                                  

                                    

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

                                  

                                  

                                    

                                      
                                        </head>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <body>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        <form>
                                      
                                    

                                  

                                  

                                    

                                        <div>
                                    

                                  

                                  

                                    

                                          <input type="radio" name="fruit" value="orange" id="orange">
                                    

                                  

                                  

                                    

                                          <label for="orange">orange</label>
                                    

                                  

                                  

                                    

                                        </div>
                                    

                                  

                                  

                                    

                                        <div>
                                    

                                  

                                  

                                    

                                          <input type="radio" name="fruit" value="apple" id="apple">
                                    

                                  

                                  

                                    

                                          <label for="apple">apple</label>
                                    

                                  

                                  

                                    

                                        </div>
                                    

                                  

                                  

                                    

                                        <div>
                                    

                                  

                                  

                                    

                                          <input type="radio" name="fruit" value="banana" id="banana">
                                    

                                  

                                  

                                    

                                          <label for="banana">banana</label>
                                    

                                  

                                  

                                    

                                        </div>
                                    

                                  

                                  

                                    

                                        <div id="log"></div>
                                    

                                  

                                  

                                    

                                      
                                        </form>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        <script>
                                        
                                      
                                    

                                  

                                  

                                    

                                      $( "input" ).on( "click", function() {
                                    

                                  

                                  

                                    

                                        $( "#log" ).html( $("input:checked").val() + " is checked!" );
                                    

                                  

                                  

                                    

                                      });
                                    

                                  

                                  

                                    

                                      
                                        </script>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        </body>
                                      
                                    

                                  

                                  

                                    

                                      
                                        </html>
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