These codes might help you −$('body').click(function(){ alert('test' )}) var foo = $.data( $('body').get(0), 'events' ).click // you can query $.data( object, 'events' ) and get an object back, then see what events are attached to it.  $.each( foo, function(i,o) {     alert(i) // guid of the event     alert(o) // the function definition of the event handler });

To check if event exists on element in jQuery, check for the existing events on the element. Here, I have set the div −   This is demo text. Click here! When you click div, then the alert generates which I have set using the div id:$("#demo").click(function() {   alert("Does event exists? - "+hasEvents); });You can try to run the following code to check if event exists −ExampleLive Demo               $(document).ready(function(){       $("#demo").click(function() {         alert("Does event exists? - "+hasEvents);      });      var events = $._data(document.getElementById('demo'), "events");      var hasEvents = (events != null);    });         This is demo text. Click here!

To enable and disable submit button, use the jQuery prop() method. You can try to run the following code to enable and disable submit button using jQuery −ExampleLive Demo               $(document).ready(function() {       $('#register').click(function() {         $(this).prop('disabled',true);         $("#content").show();         setTimeout(function(){           $('#register').prop('disabled', false);         },3000);      });    });               The above button disables for 3 seconds, on clicking.                  

Yes, you can submit form with multiple submit buttons. Attack a custom click handler to all the buttons and the check which button is clicked.ExampleLive Demo               $(document).ready(function(){       $("#myform button").click(function (ev) {       ev.preventDefault()       if ($(this).attr("value") == "button1") {                     alert("First Button is pressed - Form will submit")         $("#myform").submit();       }       if ($(this).attr("value") == "button2") {         alert("Second button is pressed - Form did not submit")       }     }); });     First Button   Second Button

To create a div dynamically, use the html() method. You can try to run the following code to learn how to create a div dynamically on button click −ExampleLive Demo               $(document).ready(function(){       $("button").click(function(){         $("body").html("This is a new div.");       });     });   Create a new div This is demo text.

On clicking the tag,the content is dispaying inside the textarea.Example Live Demo    $(document).ready(function () {       $("a").click(function () {          $("#txt1").val("I AM DISPLAYING IN THE TEXTAREA");       });    });     Quires TEXTAREA ::

Here I am using one textarea and one button.The first textarea is used for user input then click the button and display the value in the alert box.Example Live Demo                    $(document).ready(function () {             $("button").click(function () {                var dim = $("#txt").val();                alert(dim);             });          });     Click Here

To know which key was pressed in a form input using jQuery, use the jQuery keydown event. You can try to run the following code to learn how to detect key pressed in a form input −ExampleLive Demo               $(document).ready(function(){       $('#myinput').keydown(function(e) {         var newkey = 'Key code = ' + e.which + ' ' + (e.ctrlKey ? 'Ctrl' : '') + ' ' + (e.shiftKey ? 'Shift' : '') + ' ' + (e.altKey ? 'Alt' : '');         $('#mykey').text(newkey);         return false;       });     });       Press any key:     The key you press is visible here with keycode.

$(document).ready(function(){ $('#myinput').keydown(function(e) { var newkey = 'Key code = ' + e.which + ' ' + (e.ctrlKey ? 'Ctrl' : '') + ' ' + (e.shiftKey ? 'Shift' : '') + ' ' + (e.altKey ? 'Alt' : ''); $('#mykey').text(newkey); return false; }); });

To detect pressing Enter on keyboard, use the keup() function with keyCode. You can try to run the following code to learn how to detect pressing Enter on keyboard using jQuery −ExampleLive Demo                          $(document).ready(function(){          $('textarea').bind("enterKey",function(e){          alert("You have pressed Enter key!");       });       $('textarea').keyup(function(e){          if(e.keyCode == 13)          {             $(this).trigger("enterKey");          }       });    });            Press Enter below         Press Enter below