How to create a custom modal popup - and how to close it clicking outside of it [duplicate]

Answer 1

Try this:

  $("body").click(function (e) {
            var elt = $(e.target);
    if (!($(e.target).attr("id") == "light") && !($(e.target).parents("div").attr("id")=="light"))
            {
                $("#light").hide();
            }
        });

Its depends on your conditions. Anyways I have edited my post, you can check now.