Function NgModelController

test/angular/1.6/angular.js:29282–29329

($scope, $exceptionHandler, $attr, $element, $parse, $animate, $timeout, $q, $interpolate)

 */
NgModelController.$inject = ['$scope', '$exceptionHandler', '$attrs', '$element', '$parse', '$animate', '$timeout', '$q', '$interpolate'];
function NgModelController($scope, $exceptionHandler, $attr, $element, $parse, $animate, $timeout, $q, $interpolate) {
  this.$viewValue = Number.NaN;
  this.$modelValue = Number.NaN;
  this.$$rawModelValue = undefined; // stores the parsed modelValue / model set from scope regardless of validity.
  this.$validators = {};
  this.$asyncValidators = {};
  this.$parsers = [];
  this.$formatters = [];
  this.$viewChangeListeners = [];
  this.$untouched = true;
  this.$touched = false;
  this.$pristine = true;
  this.$dirty = false;
  this.$valid = true;
  this.$invalid = false;
  this.$error = {}; // keep invalid keys here
  this.$$success = {}; // keep valid keys here
  this.$pending = undefined; // keep pending keys here
  this.$name = $interpolate($attr.name || '', false)($scope);
  this.$$parentForm = nullFormCtrl;
  this.$options = defaultModelOptions;
  this.$$updateEvents = '';
  // Attach the correct context to the event handler function for updateOn
  this.$$updateEventHandler = this.$$updateEventHandler.bind(this);

  this.$$parsedNgModel = $parse($attr.ngModel);
  this.$$parsedNgModelAssign = this.$$parsedNgModel.assign;
  this.$$ngModelGet = this.$$parsedNgModel;
  this.$$ngModelSet = this.$$parsedNgModelAssign;
  this.$$pendingDebounce = null;
  this.$$parserValid = undefined;

  this.$$currentValidationRunId = 0;

  // https://github.com/angular/angular.js/issues/15833
  // Prevent `$$scope` from being iterated over by `copy` when NgModelController is deep watched
  Object.defineProperty(this, '$$scope', {value: $scope});
  this.$$attr = $attr;
  this.$$element = $element;
  this.$$animate = $animate;
  this.$$timeout = $timeout;
  this.$$parse = $parse;
  this.$$q = $q;
  this.$$exceptionHandler = $exceptionHandler;

  setupValidity(this);
  setupModelWatcher(this);
}

NgModelController.prototype = {
  $$initGetterSetters: function() {