discord api docs message delete code example

Example 1: how to send a message then delete it discord.js

message.reply('Invalid command')
  .then(msg => {
    msg.delete(10000)
  })

Example 2: discordjs delete all messages in channel

// Bulk delete messages
channel.bulkDelete(5)
  .then(messages => console.log(`Bulk deleted ${messages.size} messages`))
  .catch(console.error);