const people = [
  {
    name: '小明',
    cash: 100
  },
  {
    name: '小芬',
    cash: 1000
  },
  {
    name: '小胖',
    cash: 27
  }
]
const string = `<ul>
  ${ people.map( person => `<li>我的名字是${ person.name }，我總共有${ person.cash }</li>` ).join('') }
</ul>`
document.querySelector('.list').innerHTML = string