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JQuery Event for user pressing enter in a textbox?

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How do you detect whether the user has pressed Enter using jQuery?

To check if an “enter” key is pressed inside a textbox, just bind the keypress() to the textbox. $('#textbox'). keypress(function(event){ var keycode = (event.

How do you trigger click event on pressing Enter key?

To trigger a click button on ENTER key, We can use any of the keyup(), keydown() and keypress() events of jQuery. keyup(): This event occurs when a keyboard key is released. The method either triggers the keyup event, or to run a function when a keyup event occurs.

How do you detect if Enter is pressed?

Check the event.The keyCode property returns a number for the key that's pressed instead of a string with the key name. When it returns 13, then we know the enter key is pressed.

How does jQuery detect keyboard press?

jQuery | keypress() The keypress() method in jQuery triggers the keypress event whenever browser registers a keyboard input. So, Using keypress() method it can be detected if any key is pressed or not.


You can wire up your own custom event

$('textarea').bind("enterKey",function(e){
   //do stuff here
});
$('textarea').keyup(function(e){
    if(e.keyCode == 13)
    {
        $(this).trigger("enterKey");
    }
});

http://jsfiddle.net/x7HVQ/


   $('#textbox').on('keypress', function (e) {
         if(e.which === 13){

            //Disable textbox to prevent multiple submit
            $(this).attr("disabled", "disabled");

            //Do Stuff, submit, etc..

            //Enable the textbox again if needed.
            $(this).removeAttr("disabled");
         }
   });

Here is a plugin for you: (Fiddle: http://jsfiddle.net/maniator/CjrJ7/)

$.fn.pressEnter = function(fn) {  

    return this.each(function() {  
        $(this).bind('enterPress', fn);
        $(this).keyup(function(e){
            if(e.keyCode == 13)
            {
              $(this).trigger("enterPress");
            }
        })
    });  
 }; 

//use it:
$('textarea').pressEnter(function(){alert('here')})

heres a jquery plugin to do that

(function($) {
    $.fn.onEnter = function(func) {
        this.bind('keypress', function(e) {
            if (e.keyCode == 13) func.apply(this, [e]);    
        });               
        return this; 
     };
})(jQuery);

to use it, include the code and set it up like this:

$( function () {
    console.log($("input"));
    $("input").onEnter( function() {
        $(this).val("Enter key pressed");                
    });
});

jsfiddle of it here http://jsfiddle.net/VrwgP/30/


It should be well noted that the use of live() in jQuery has been deprecated since version 1.7 and has been removed in jQuery 1.9. Instead, the use of on() is recommended.

I would highly suggest the following methodology for binding, as it solves the following potential challenges:

  1. By binding the event onto document.body and passing $selector as the second argument to on(), elements can be attached, detached, added or removed from the DOM without needing to deal with re-binding or double-binding events. This is because the event is attached to document.body rather than $selector directly, which means $selector can be added, removed and added again and will never load the event bound to it.
  2. By calling off() before on(), this script can live either within within the main body of the page, or within the body of an AJAX call, without having to worry about accidentally double-binding events.
  3. By wrapping the script within $(function() {...}), this script can again be loaded by either the main body of the page, or within the body of an AJAX call. $(document).ready() does not get fired for AJAX requests, while $(function() {...}) does.

Here is an example:

<!DOCTYPE html>
  <head>
    <script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
    <script type="text/javascript">
      $(function() {
        var $selector = $('textarea');

        // Prevent double-binding
        // (only a potential issue if script is loaded through AJAX)
        $(document.body).off('keyup', $selector);

        // Bind to keyup events on the $selector.
        $(document.body).on('keyup', $selector, function(event) {
          if(event.keyCode == 13) { // 13 = Enter Key
            alert('enter key pressed.');
          }
        });
      });
    </script>
  </head>
  <body>

  </body>
</html>

If your input is search, you also can use on 'search' event. Example

<input type="search" placeholder="Search" id="searchTextBox">

.

$("#searchPostTextBox").on('search', function () {
    alert("search value: "+$(this).val());
});

HTML Code:-

<input type="text" name="txt1" id="txt1" onkeypress="return AddKeyPress(event);" />      

<input type="button" id="btnclick">

Java Script Code

function AddKeyPress(e) { 
        // look for window.event in case event isn't passed in
        e = e || window.event;
        if (e.keyCode == 13) {
            document.getElementById('btnEmail').click();
            return false;
        }
        return true;
    }

Your Form do not have Default Submit Button