Console Script. Send Message to Friends in Facebook

// hold chat list
var chatlist = document.getElementsByClassName('_55za');

for(var x=0; x<chatlist.length; x++) { // loop 

	// open chatbox by triggering click
	chatlist[x].click();

	// get message textarea
	var messages = document.getElementsByClassName('_552m');
	// set its value
	messages[0].value = 'Happy new year! I hope this new year will bring good luck to you and your family and to all your friends. -CHEERS :D';
	
	// declare new event	
	var e = new Event("keydown");
	// keycode for Enter/Return key
	e.keyCode = 13;
	// trigger
	messages[0].dispatchEvent(e);


	var closeBtn = document.getElementsByClassName('_3olu');
	// finally close the chat box
	closeBtn[0].click();

}

class layouts are deprecated now.. no use of this script now

It does not work

Everything can be done much easier. I use a software called cucomm. It automatically sends messages to users on Facebook. It saves time and is much more convenient.