WhatsAppSameMultiPartMessage.js

let textToSend = "Hey There. I wanted to wish you Happy New Year. Hope you are doing great.";
textToSend = textToSend.split(".");
let count = 0;
let textbox = document.querySelector('div._2S1VP');
let event = new InputEvent('input', {
    bubbles: true
  });
let messageLoop = setInterval(function(){
    textbox.textContent =textToSend[count] ;
    textbox.dispatchEvent(event);
    document.querySelector("button._35EW6").click();  
    count++;
    console.log("Sending message number : " + count);
    if(count>2){
        console.log("I am inside clearInterval");
        clearInterval(messageLoop);
    }

Hey there, thanks for this awesome script!
I have 2 doubts:

1. What is diff in this and automation script?
2. With automation script, if I want to send 4 line message to everyone with every line as newline do I need to format it using JS syntax or just copy and paste the message?