Button to Change Background Color of text editor to Black.txt

if (tinymce.editors.length) {
    $('body').append(`<button style="position: fixed; bottom: 80px; right: 15px;" class="btn-secondary cancel-button btn bg-color-change-btn">
        <i class="material-icons"></i>
        Change BG Color
        <span style="border: 1px solid; border-radius: 5px;"><i class="material-icons myclose-bg-color-change">close</i></span>
    </button>`)

    $('.myclose-bg-color-change').on('click', function () {
        $('.bg-color-change-btn').remove()
    })

    $('.bg-color-change-btn').on('click', function () {
        for (let index = 0; index < tinymce.editors.length; index++) {
            tinymce.editors[index].getBody().style.backgroundColor = '#000'
        }
    })
}