message.author discordjs code example

Example 1: get message author discord.js

message.author.user
// OR FOR ID USE:
message.author.user.id

Example 2: discord js channel send

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

Example 3: discord js channel send

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

Example 4: discord.js reply to message author

message.reply("hello world");