jquery - determine element clicked on, if outside the post textbox clear the value

jquery-get-mouse-location.js

// jquery get mouse location        
// clear post when lose focus
        $("*", document.body).click(function (e) {
            e.stopPropagation();
            var domEl = $(this).get(0);

            if (!$(domEl).closest("#newsfeed_post").length > 0) {
                $("#newsfeed_post textarea").css("color", "#aaa").val("Write something here...");
            }
        });