Dom常用操作

    const arr = Array.from($0.children)
    let arr2 = []
    let arr3 = []
    let num = 0
    for(let i=1; i <arr.length;i++){
      if(i%6 === 0){
          arr3.push(arr.slice(num,i)[1].innerText)
          arr2.push(arr.slice(num,i))
          num = i
      }
    }
    console.log(arr3)