$('selector').one( function() {
//the code will execute only once!
});

Check the documentation first.

On Sep 3, 4:22 pm, ludovic <ludothebe...@gmail.com> wrote:
> Hi,
> It would be great to have the following syntax :
>
> $('selector').live( function() {
>    // Executed only once by selector, when it has been inserted into
> the dom
>
> } );
>
> It would mean to add a trigger in each dom insertion made by jquery.
>
> This syntax would be very useful for widgets initialization.
>
> Regards,
> Ludovic
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