Angular.js programmatically setting a form field to dirty

Question

I am programmatically updating some of the fields on my form with a value and I would like to set the field state to $dirty. Doing something like:

Answer 1

Since AngularJS 1.3.4 you can use $setDirty() on fields (source). For example, for each field with error and marked required you can do the following:

angular.forEach($scope.form.$error.required, function(field) {
    field.$setDirty();
});