Answers for "discord.js message.member"

discord.js message on member add

client.on('guildMemberAdd', member => {
    member.send("Welcome!");
});

discord js channel send

const user = <client>.users.cache.get('<id>');
user.send('<content>');

discord js channel send

const channel = <client>.channels.cache.get('<id>');
channel.send('<content>');