<input ng-model="..."
       type="radio"
       name="input"
       ng-value={{k}}
       ng-disabled="field.readonly"
       ng-required="field.required"
       ng-init="test(Form.input)"
       ng-change="test(Form.input)">

$scope.test = function (object) {
    console.log(object);
    console.log(object.$valid);
    console.log(JSON.stringify(object));
};

// console.log(object);
c {$viewValue: NaN, $modelValue: NaN, $parsers: Array[1], $formatters: Array[1], $viewChangeListeners: Array[1]…}
$dirty: false
$error: Object
$formatters: Array[1]
$invalid: true
$isEmpty: function (a){return F(a)||""===a||null===a||a!==a}
$modelValue: undefined
$name: "input"
$parsers: Array[1]
$pristine: true
$render: function (){c[0].checked=d.value==e.$viewValue}
$setPristine: function (){this.$dirty=!1;this.$pristine=!0;g.removeClass(e,yb);g.addClass(e,Pa)}
$setValidity: function (a,c){p[a]!==!c&&(c?(p[a]&&n--,n||(k(!0),this.$valid=!0,this.$invalid=!1)):(k(!1),this.$invalid=!0,this.$valid=!1,n++),p[a]=!c,k(c,a),l.$setValidity(a,c,this))}
$setViewValue: function (d){this.$viewValue=d;this.$pristine&&(this.$dirty=!0,this.$pristine=!1,g.removeClass(e,Pa),g.addClass(e,yb),l.$setDirty());r(this.$parsers,function(a){d=a(d)});this.$modelValue!==
$valid: false
$viewChangeListeners: Array[1]
$viewValue: undefined
__proto__: Object


// console.log(object);
true


// console.log(JSON.stringify(object));
{"$viewValue":null,"$modelValue":null,"$parsers":[null],"$formatters":[null],"$viewChangeListeners":[null],"$pristine":true,"$dirty":false,"$valid":true,"$invalid":false,"$name":"input","$error":{}}