jQuery Listen

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• 开发语言:
• 操作系统: 未知
• 软件首页: http://plugins.jquery.com/project/Listen

软件介绍

The release shown below is not the last. Please check 1.0.3 instead.

This plugin brings a clean, light solution, to websites with dynamic loaded content, or full of event bindings.
Intead of bound, handlers for events, are registered along with matching selectors.
And they'll still work for new added content.
This is achieved, using Event delegation, so the plugin will only work for events that bubble.

Update: jQuery.Listen can now handle both focus and blur events thanks to the focusin/focusout workaround.
Many thanks to Jörn Zaefferer for lending me the code!.

The plugin supports these kind of selectors:
- #id
- nodeName
- .class
- nodeName.class
- a comma-separated selector combining these 4.

I plan to add more support, but perfomance and scalability are my priorities. These simple selectors give enough functionality for many cases.

If, for example, you want tables, to react to clicks on it's rows, then you can do this:

jQuery('table').listen( 'click', 'tr', function(){
    alert('you clicked a row!!');
});

No matter how many times you add/remove rows, they will still be clickable.
You can also do this:

jQuery.listen( 'click', 'tr', function(){
    alert('you clicked a row!!');
});

This time, the listener will be the document. So now you can add/remove tables as well, clicking the rows will still trigger the handler.

If you need full support for selectors, and you mind sacrificing a little of scalability, you can check http://plugins.jquery.com/project/Intercept for a similar solution.

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