SOURCE

    const arr = [29.63, 27.37, 28.31, 27.3, 33.45, 27.10, 29.07]

    function dealData () {
      const a = arr
      arr.forEach(items => {
        a.forEach(abc => {
          let c = items + abc
          c = dealDatas(Number(c), 2)
          if (c == 60.55) {
            console.log('items', items)
            console.log('abc', abc)
          }
        })
      })
    }
    /**
     * 处理浮点数
     */
    function dealDatas (conates, index) {
      let newArr = ''
      const result = conates.toString().substring(0, conates.toString().indexOf('.') + (index + 1))
      newArr = parseFloat(result)
      return newArr
    }
    dealData()