dist/vue-inview.js
function (rw) {
  var result
  var rgsize = createEl.register.length
  var i
  for (i = 0;i < rgsize; i++) {
    if (createEl.register[i].rawName === rw) result = createEl.register[i].classid
  }
  return result
}
function (rw) {
  var result
  var rgsize = createEl.register.length
  var i
  for (i = 0;i < rgsize; i++) {
    if (createEl.register[i].rawName === rw) result = createEl.register[i].classid
  }
  return result
}
(rw → string)
return string
- check and get class ID