jQuery hide function with trigger hide event

example.js

$('#priceContainer').on('hide',function(){
    $('#price').val("0.0");
});
$('#priceContainer').hideWithEvent();

hideWithEvent.js

// define hide function with event
$.fn.hideWithEvent = function(speed, callback) {
    var obj = $.fn.hide.apply(this,arguments);
    if( obj.is(':hidden') ){
        $(this).trigger('hide');
    }
    return obj;
}