jQuery: Check if click outside of element

new_gist_file.js

$(document).mouseup(function (e)
     {
        var container = $('#js-searchPane');
    
        if (!container.is(e.target) // if the target of the click isn't the container...
            && container.has(e.target).length === 0) // ... nor a descendant of the container
        {
            container.removeClass('searchPane-open');
        }
    });