SOURCE

const mbs = {
  name: 'xixi',
  say(prefix, age) {
    console.log(`${prefix},my name is ${this.name},i am ${age} year old`)
  }
}

mbs.say('hello everyone',18)

const mbs1 = {
  name: 'huanhuan'
}

mbs.say.call(mbs1,'hello call',18)
mbs.say.apply(mbs1,['hello apply',18])
mbs.say.bind(mbs1,'hello bind',18)()