.focusin()

jQuery

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.focusin()

Categories: Events > Keyboard Events | Events > Mouse Events

.focusin( handler(eventObject) ) Returns: jQuery

Description: Bind an event handler to the "focusin" event.

  • version added: 1.4.focusin( handler(eventObject) )

    • handler(eventObject)
      Type: Function()
      A function to execute each time the event is triggered.

  • version added: 1.4.3.focusin( [eventData ], handler(eventObject) )

    • eventData
      Type: Object
      An object containing data that will be passed to the event handler.
    • handler(eventObject)
      Type: Function()
      A function to execute each time the event is triggered.

This method is a shortcut for .on('focusin', handler).

The focusin event is sent to an element when it, or any element inside of it, gains focus. This is distinct from the focus event in that it supports detecting the focus event on parent elements (in other words, it supports event bubbling).

This event will likely be used together with the focusout event.

Example:

Watch for a focus to occur within the paragraphs on the page.

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                                        <!DOCTYPE html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <head>
                                      
                                    

                                  

                                  

                                    

                                        <style>span {display:none;}</style>
                                    

                                  

                                  

                                    

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

                                  

                                  

                                    

                                      
                                        </head>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <body>
                                      
                                    

                                  

                                  

                                    

                                        <p><input type="text" /> <span>focusin fire</span></p>
                                    

                                  

                                  

                                    

                                      <p><input type="password" /> <span>focusin fire</span></p>
                                    

                                  

                                  

                                    

                                      
                                        <script>
                                        
                                      
                                    

                                  

                                  

                                    

                                      $("p").focusin(function() {
                                    

                                  

                                  

                                    

                                        $(this).find("span").css('display','inline').fadeOut(1000);
                                    

                                  

                                  

                                    

                                      });
                                    

                                  

                                  

                                    

                                      
                                        </script>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        </body>
                                      
                                    

                                  

                                  

                                    

                                      
                                        </html>
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