console.log('welcome!')

specialBlock()

function specialBlock(){

let list = document.querySelectorAll('.special-block-container')
list.forEach(function(block){
  let rawChildren = Array.from(block.children) // 下面添加按钮的操作,会改变 children 对象,但变成数组后,就不会了
  let copyBtn = document.createElement('button')
  copyBtn.onclick = function(){
    navigator.clipboard.writeText(rawChildren.map(child => child.innerHTML).join('\n'))
  }
  copyBtn.classList.add('copy')
  block.appendChild(copyBtn)
})

}