debounce_correct.js

function debounce(func, wait) {
  let timeout
  return function(...args) {
    const context = this
    clearTimeout(timeout)
    timeout = setTimeout(() => func.apply(context, args), wait)
  }
}

function sayHello() {
  console.log('My name is', this.name)
}

const amy = {
  name: 'amy',
  speak: debounce(sayHello),
}

amy.speak()
// 'My name is amy'