(function () {
    const reply_control = document.querySelector("#reply-control");
    // watch for inner html change
    reply_control.addEventListener("DOMSubtreeModified", function () {
        // find tedxtarea
        const textarea = reply_control.querySelector("textarea.ember-text-area");
        if (textarea) {
            console.log(textarea)
            // set value
            textarea.value = "Hello, World!";
            textarea.dispatchEvent(new Event('change'));
        }
    });
})()