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Event handlers are bound only to the currently selected elements; they must exist on the page at the time your code makes the call to .on().
Equivalent to .live() would be something like
$(document.body).on('change','select[name^="income_type_"]',function(){ alert($(this).val());});Although it is better if you bind the event handler as close as possible to the elements, that is, to an element being closer in the hierarchy.
Update: While answering another question, I found out that this is also mentioned in the .live documentation:
Rewriting the .live() method in terms of its successors is straightforward; these are templates for equivalent calls for all three event attachment methods:
$(selector).live(events, data, handler);// jQuery1.3+ $(document).delegate(selector, events, data, handler);// jQuery1.4.3+ $(document).on(events, selector, data, handler);// jQuery1.7+
.live() is deprecated in jquery version1.7 and removed from1.9. It is replaced by .on() function.
The way which i use to handle your scenario is like as follows:
- Put your jquery code in a separate function let say callFunc();
- Check current version of jquery by using $().jquery
- if it is less or equal to1.7 then use live like as follows
$("#button").unbind("click").live('click', callFunc);
- and if it is greater than1.7 then
$(document).on('click', '#button', callFunc);
I hope it helps
Cheers
Ata
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