StackExchange comments tooltip

$(".answer").on('focus', "div.comment-form textarea[name=comment]", function(evt){
    $(this).parent("div.js-comment-text-input-container").prepend(
        $("<div class='comment-tooltip-ext'><strong>**Bold**</strong><i>_italic_</i><code>`code`</code>[link to foo](https://foo.com)</div>")
        .css({
            "padding": "3px",
            "text-align": "center",
            "background-color": "#FFF8DC",
            "box-shadow": "0 2px 8px rgba(59,64,69,0.1)",
            "border": "1px solid #d6d9dc",
            "border-top-left-radius": "3px",
            "border-top-right-radius": "3px",
            "border-bottom": "none"
        }
        )
    );
});
$(".answer").on('blur', "div.comment-form textarea[name=comment]", function(evt){
    $(".comment-tooltip-ext").remove();
});