Searching for a way to programmatically uncheck a radio button based on a specific condition

Is there a way for me to deselect the radio button under specific conditions?

<input type="radio" name="XXX" value="add" data-ng-model="XXX"/>Add

I am looking to have this radio button unchecked when certain conditions are met, like so:

<input type="radio" name="XXX" value="add" data-ng-model="XXX" ng-unchecked="add.new='false'"/>Add 

Is there a simpler method I can use to achieve this?

Answer ā„–1

Whenever you link the input to your model, if you uncheck the box, the model will also be unset and vice versa.

Therefore, if the model and form are already in sync, it would make sense to reset the value in the controller:

if($scope.add.new) {
  $scope.XXX = false;
}

Answer ā„–2

Using the ng-checked directive makes it easy to implement this functionality.

<input type="radio" name="YYY" value="submit" data-ng-model="YYY" ng-checked="submit.flag"/>Submit

If submit.flag evaluates to true, the radio button will be selected; otherwise, it will remain unselected.

Answer ā„–3

<input type="radio" name="XXX" value="add" data-ng-model="XXX" ng-checked="add.new" ng-click="checkCondition('123')" id="checkbok_123"/>Add

function checkRadio(id){
   if(condition is met){
      add.new = true;
   }else{
      add.new = false;
      document.getElementById("checkbox_"+id).checked = false;
   }
}

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