Angular.js directive for manipulating data in the form of an array of strings (e.g. address lines, etc.)

directives.js

myApp.directive("testing", [function() {
    return {
        restrict: "E",
        templateUrl: "testing.html",
        link: function(scope, element, attrs) {
            scope.logIt = function() {
                console.log(scope.someobj);
            };
            scope.addLine = function() {
                scope.someobj.push("");
                //if (scope.$root.$$phase != '$apply' && scope.$root.$$phase != '$digest') { scope.$apply(); };
            };
            scope.takeItOut = function(position) {
                //if (scope.$root.$$phase != '$apply' && scope.$root.$$phase != '$digest') { scope.$apply(); };
                console.log(scope.someobj)
                console.log("taking out: " + position);

                var tookOut = scope.someobj.splice(position, 1);
                console.log(scope.someobj)
                console.log("took out: " + tookOut);
            };
        },
        scope: {
            someobj: "="
        }
    }
}])

testing.html

<ol>
    <li ng-repeat='part in someobj track by $index'>
        <input ng-model="someobj[$index]">
        <button type="button" class="btn btn-danger btn-xs" ng-click="takeItOut($index)">x</button>
    </li>
</ol>

<button type="button" ng-click="logIt()" class="btn btn-default">logIt</button>
<button type="button" ng-click="addLine()" class="btn btn-default">addLine</button>