Auto spam web whatsapp

function whatsAppText(message) {
    window.InputEvent = window.Event || window.InputEvent;
    var event = new InputEvent('input', {bubbles: true});
    var textbox = document.getElementsByClassName('_2S1VP')[0];
    textbox.textContent = message;
    textbox.dispatchEvent(event);
    document.querySelector('[data-icon="send"]').click();
}

function spam(message, loop) {
    var delay = 1000; // 1 second

    for (var i = 0; i < loop; i++){
        window.setTimeout(function(){
            whatsAppText(message);
        }, delay*i);
    }
}

// web.whatsapp.com -> console -> paste -> call spam('message',jumlah);