reply to web whatsapp spammers

wsapp-reply.js

// import/require jquery (or copy from cdn) and then:

var lastText = '';
$('.pane-chat .message-list').bind('DOMSubtreeModified',function(e){
    var txt = $('.pane-chat .message-list .msg').last()[0].innerText;
    if (lastText !== txt) {
    	lastText = txt;
//    	console.log(lastText);
    	if (lastText.indexOf('Yossi') > -1) { // search for an incoming message text
    		setTimeout(function(){
          function whatsAppText(t) {
            window.InputEvent = window.Event || window.InputEvent;
            var d = new Date();
            var event = new InputEvent('input', {bubbles: true});
            var textbox = document.querySelector('#main > footer > div.block-compose > div.input-container > div > div.input');
            textbox.textContent = t;
            textbox.dispatchEvent(event);
            document.querySelector('.icon.btn-icon.icon-send.send-container').click()
          }
          whatsAppText('💁‍♂'); // reply with something :)
    		}, 1000);			
    	}
    }
});