step by step on making a bot join discord code example

Example 1: how to make a discord bot

//discord.js is probably the easiest to learn. To install do this
//in command prompt (Windows, Linux) or terminal (Mac)

npm init
//and then
npm i discord.js

//after that just read the discord.js.org documentation
//and follow a couple yt guides, maybe join some servers.

Example 2: how to get a bot online on discord

const Discord = require('discord.js');
const bot = new Discord.Client();

const TOKEN = "put ur token";

bot.login(TOKEN);