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问题:

I have a problem with a jquery change event on a text input that works as expected in Firefox and IE but not in Chrome. I also have a keyup event on the text input to manipulate the input as it is entered, but when the input is done I need to run some extra code. I tried using the 'blur' event and the 'focusout' event as someone here had suggested as a substitute, but then I couldn't change focus at all -- the input kept grabbing it back somehow. Here is the code:

 $('.textInput').keyup(function(event) { /* do stuff */ });
 $('.textInput').change(function(event) { alert('Changed!'); /* do other stuff */ });

and the html:

 <input type="text" class="textInput" value="" />

I am using jQuery 1.6.3. Any suggestions would be greatly appreciated. H.

回答1:

The change event will not fire unless the input focus switched to other controls

回答2:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
    <script src="Scripts/jquery-1.7.1.min.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(document).ready(function () {
            $('.textInput').keyup(function (event) {
                var obj = $(this);
                if ((event.keyCode ? event.keyCode : event.which) === 13) {
                    $('#result').text('Enter has been triggered.');
                }
            }); ;

            $('.textInput').change(function (event) {
                var obj = $(this);
                $('#result').text('Input text has been changed:' + obj.val());
            }); ;
        });
    </script>
</head>
<body>
    <span id="result"></span>
    <br />
    Enter some text and press enter:
    <input type="text" class="textInput" value="" />
</body>
</html>

回答3:

Actually, there's a bug on Google Chrome that causes the 'change' event to not fire if something has been changed by the 'keyup' event:

https://code.google.com/p/chromium/issues/detail?id=92492

The issue seems to be open since May 2, 2013.

回答4:

You can use the input event that works like a charm:

$('#search-form .term').bind('input', function(){
  console.log('this actually works');
});

Source: https://gist.github.com/brandonaaskov/1596867

Change event not firing on text input using jquery

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