ajax handle form error

error.js

$("div.errorlist").remove();
//console.log(response.hasOwnProperty("errors"));
if (response.hasOwnProperty("errors")) {
    //console.log(response["errors"]);
    $commentInputFormRightDiv = $("li[class='post-item post-comment active'][data-post-id='" + postID + "'] div.row.post-comment-submit div.post-div-right");

    for (var key in response["errors"]) {
        $commentInputFormRightDiv.append($("<div>").html(response["errors"][key]).addClass("errorlist"));
    }

    return;
}