Question

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jQuery: how to replace .live with .on?

.live() was deprecated in jQuery 1.7 and removed in version 1.9. I just upgraded jQuery to 1.9.0 in our application and I saw that we used tons of .live() calls in the past.

I ported all the .live() calls to .on() calls. In most cases it’s a straightforward update (simple cases like the one in the second snippet on the .live() page). But at several places I have something like:

(function($){
    $(document).ready(function() {
        $('.ui-jqgrid-btable').find('a.pop_dialog_jqgrid').live('click', function() {
            //some code here
        });
    });
})(jQuery);

which I have ported to:

(function($){
    $(document).ready(function() {
        $(document).on('click', $('.ui-jqgrid-btable').find('a.pop_dialog_jqgrid'), function() {
            //some code here
        });
    });
})(jQuery);

But it’s not doing the same thing at all with the new code (all the clicks anywhere on the page fire the “some code”).

Anyone can enlighten me please?

Answer 1

The second argument should be a selector, not an object:

$(document).on('click', '.ui-jqgrid-btable a.pop_dialog_jqgrid', function() {
     //some code here
});