JAVASCRIPT

Discord.js ban command

if (msg.member.hasPermission("BAN_MEMBERS")) {
    if (msg.members.mentions.first()) {
        try {
            msg.members.mentions.first().ban();
        } catch {
            msg.reply("I do not have permissions to ban" + msg.members.mentions.first());
        }
    } else {
        msg.reply("You do not have permissions to ban" + msg.members.mentions.first());
    }
}

Discord.js ban command

if (msg.member.hasPermission("KICK_MEMBERS")) {
    if (msg.members.mentions.first()) {
        try {
            msg.members.mentions.first().kick();
        } catch {
            msg.reply("I do not have permissions to kick " + msg.members.mentions.first());
        }
    } else {
        msg.reply("You do not have permissions to kick " + msg.members.mentions.first());
    }
}

discord.js ban user

let member = message.mentions.members.first();
if(!member) return message.reply("Please mention a valid member of this server");
if(!member.bannable) return message.reply("I cannot ban this member!");

member.ban(); //.ban(reason) if you would to put in the reason through arguments

discord.js ban command

/*
 			 Need more help? Add me on discord: Dwagon#0069
             				Discord.js ^13.8.1
*/

/*
			 With interaction
*/

if (interaction.member.permissions.has("BAN_MEMBERS")) {
            const user = interaction.options.getUser("user")
            const member = interaction.guild.members.cache.get(user.id) || await interaction.guild.members.fetch(user.id).catch(err => { })

            switch (member.id) {
                case (!member):
                    return interaction.reply({
                        content: "ERROR: Cannot find this user!",
                        ephemeral: true
                    })
                case (interaction.member.id):
                    return interaction.reply({
                        content: "ERROR: You cannot ban yourself!",
                        ephemeral: true
                    })
                case (bot.user.id):
                    return interaction.reply({
                        content: "ERROR: You cannot ban me!",
                        ephemeral: true
                    })
                case (member.roles.highest.position >= interaction.member.roles.highest.position):
                    return interaction.reply({
                        content: "ERROR: I can't ban this user, because he's higher than you!",
                        ephemeral: true
                    })
                case (!member.bannable):
                    return interaction.reply({
                        content: "ERROR: I can't ban this user!",
                        ephemeral: true
                    })
                default:
                    const reason = interaction.options.getString("reason");
                    const admin = interaction.user.tag;

                    await interaction.reply({
                        content: ["``" + member.user.tag + "`` has been banned from the server for ``" + reason + "``"],
                        ephemeral: true
                    })

                    await member.ban({ reason: [reason + " | " + admin] });
                    break;
            }
        } else {
          // If doesn't have permission to ban
            return interaction.reply({
                content: "ERROR: You cannot execute this command!",
                ephemeral: true
            })
        }
    }
};