how to give a person a role by id in discord.js

// get role by ID
let myRole = message.guild.roles.get("264410914592129025");

// get role by name
let myRole = message.guild.roles.find(role => role.name === "Moderators");var role = message.guild.roles.find(role => role.name === "MyRole");
message.member.addRole(role);