How to explicitly set a text box in a form to dirty?


I already saw questions like, <a href="https://stackoverflow.com/questions/26222150/how-to-set-a-particular-field-in-a-form-to-dirty-in-angularjs-1-3" rel="nofollow">How to set a particular field in a form to dirty in angularjs 1.3</a> and <a href="https://stackoverflow.com/questions/18071648/angular-js-programmatically-setting-a-form-field-to-dirty" rel="nofollow">Angular.js programmatically setting a form field to dirty</a> but they are not working.

I am auto-filling a text box in angularjs as:

$scope.address.city = "Santa Clara";

$scope.address.city.$dirty = true;

And in the html I have ng-model="address.city" ng-model-options="{ updateOn: 'change blur' }".

However, $scope.address.city.$dirty = true; is giving <strong>undefined</strong> in the console.

I have used

$http.get("somewebsite.com").success(function(data){ $timeout(function () { $scope.address.city.$dirty = true; }, 0); console.log('$scope.address.city.$dirty',$scope.address.city.$dirty);})

but still I am getting error as TypeError: Cannot set property '$dirty' of undefined

I am using angular 1.3.1 .


In Html,

<form name="formName"> <input type="text" name="city" ng-model="address.city" ng-model-options="{ updateOn: 'change blur' }" /> </form>

In controller,

$timeout(function () { $scope.formName.city.$dirty = true; }, 0);

note that name attributes are used not the model names.

here is the <a href="http://plnkr.co/edit/1KBuOv4lWVtC127UDzo2?p=preview" rel="nofollow">DEMO</a>


You must have missed name attribute on either form or field. You form name should be address & field name should be city then only you can access $scope.address.city.$dirty in controller scope or UI


<form name="address"> <input type="text" name="city" ng-model="address.city" ng-model-options="{ updateOn: 'change blur' }" /> </form>

It could use on html as address.city.$dirty & inside controller it would be $scope.address.city.$dirty


In your case form name address scope is conflicting with your address, you are overriding the address scope variable which already contains form object. So after overriding it all the form property gets erased. See my plunkr in which I reproduced your issue exactly what I'm doing there.

<a href="http://plnkr.co/edit/Q60gcwO5zjq2Hu1g1GJA?p=preview" rel="nofollow"><strong>Plunkr with Issue</strong></a>

<form name="form"> <input type="text" name="city" ng-model="address.city" ng-model-options="{ updateOn: 'change blur' }" /> </form>


$timeout(function () { $scope.form.city.$dirty = true; }, 0);

<a href="http://plnkr.co/edit/cdaktVVqznpW8imlMykU?p=preview" rel="nofollow"><strong>Fixed plunkr</strong></a>.


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