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// 1
$(document).click(function(e){

   if($(e.target).closest('#dropdownID').length != 0) return false;
   $('#dropdownID').hide();
});


// 2
$('body').click(function(e) {
    if ($(e.target).closest('.notification-container').length === 0) {
        // close/animate your div
    }
});


//3, https://www.tutorialrepublic.com/faq/hide-dropdown-menu-on-click-outside-of-the-element-in-jquery.php
$(document).ready(function(){
        // Show hide popover
        $(".dropdown").click(function(){
            $(this).find(".dropdown-menu").slideToggle("fast");
        });
    });
    $(document).on("click", function(event){
        var $trigger = $(".dropdown");
        if($trigger !== event.target && !$trigger.has(event.target).length){
            $(".dropdown-menu").slideUp("fast");
        }            
    });

// 4, http://benalman.com/projects/jquery-outside-events-plugin/
$(document).ready(function(){
    $(".notification-button").click(function(){
        $('.notification-container').toggle().animate({"margin-top":"0px"}, 75); 
    }); 

    $('.notification-wrapper').bind('clickoutside', function (event) {
        $('.notification-container').animate({"margin-top":"-15px"}, 75, function(){$(this).fadeOut(75)});
    });
});