var funcA = function (e, ins) {
  // console.log('source is', JSON.stringify(e))
  var scrollTop = e.detail.scrollTop
  if (scrollTop > 600) {
    ins.selectComponent('.group').setStyle({
      "background-color": 'rgba(77, 158, 233, 1)'
    })
  } else {
    ins.selectComponent('.group').setStyle({
      "background-color": 'rgba(77, 158, 233, ' + Math.max(0, (scrollTop) / 600) + ')'
    })
  }
}
module.exports = {
  funcA: funcA
}