how to send a message to a specific channel in discord.js v12 code example

Example 1: how to send a message in a specific channel discord.py

channel = client.get_channel(12324234183172)
await channel.send('hello')

Example 2: discord.js send message to specific channel

channel = client.channels.cache.get('757685515255545917');
    channel.send('Pong');