JAVASCRIPT

discord.js leave voice channel

if(!message.guild.me.voice.channel) return message.channel.send("I'm not in a voice channel"); //If the bot is not in a voice channel, then return a message
message.guild.me.voice.channel.leave(); //Leave the voice channel

discord js bot leave voice channel

client.leaveVoiceChannel(message.member.voiceState.channelID);
message.channel.createMessage(`Thanks for tuning in!`);