code: function (v, search, val) {
    var defined = Object.create(null)
    defined.is = false
    defined.count = 0
    var length = v.length
    var i
    for (i = 0; i < length; i++) {
      if (isDefine(v[i][search])) {
        if (isDefine(val) && v[i][search] === val) {
          defined.is = true
          defined.count += 1
        }
      }
    }
    return defined
  }
docs: return object{is → boolen, count → number}
  - check object has defined in array