event.isPropagationStopped()

jQuery

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event.isPropagationStopped()

Categories: Events > Event Object

event.isPropagationStopped() Returns: Boolean

Description: Returns whether event.stopPropagation() was ever called on this event object.

  • version added: 1.3event.isPropagationStopped()

    • This method does not accept any arguments.

This event method is described in the W3C DOM Level 3 specification.

Example:

Checks whether event.stopPropagation() was called

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                                        <!DOCTYPE html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <head>
                                      
                                    

                                  

                                  

                                    

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

                                  

                                  

                                    

                                      
                                        </head>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <body>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                        <button>click me</button>
                                    

                                  

                                  

                                    

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

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        <script>
                                        
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        function propStopped(e) {
                                      
                                    

                                  

                                  

                                    

                                        var msg = "";
                                    

                                  

                                  

                                    

                                        if ( e.isPropagationStopped() ) {
                                    

                                  

                                  

                                    

                                          msg =  "called"
                                    

                                  

                                  

                                    

                                        } else {
                                    

                                  

                                  

                                    

                                          msg = "not called";
                                    

                                  

                                  

                                    

                                        }
                                    

                                  

                                  

                                    

                                        $("#stop-log").append( "<div>" + msg + "</div>" );
                                    

                                  

                                  

                                    

                                      }
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      $("button").click(function(event) {
                                    

                                  

                                  

                                    

                                        propStopped(event);
                                    

                                  

                                  

                                    

                                        event.stopPropagation();
                                    

                                  

                                  

                                    

                                        propStopped(event);
                                    

                                  

                                  

                                    

                                      });
                                    

                                  

                                  

                                    

                                      
                                        </script>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        </body>
                                      
                                    

                                  

                                  

                                    

                                      
                                        </html>
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