jQuery: trigger a hover event from another element

Try this:

$('.initiator').on('mouseenter mouseleave', function(e) {
    $('.receiver').trigger(e.type);
})

It will apply the same triggers for the receiver as the initiator receives for both mouseenter and mouseleave. Note that:

.hover(over, out) 

is just a high-level variant of:

.on('mouseenter', over).on('mouseleave', out)

so using that information you can be more precise when binding and triggering mouse events.

As noted in the comment, you can also use:

$('.initiator').hover(function(e) {
    $('.receiver').trigger(e.type);
})

There are lots more to read here: http://api.jquery.com/hover/

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