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<!DOCTYPE html>
<html ng-app=App>
<head>
<script src="http://documentcloud.github.com/underscore/underscore-min.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.0.3/angular.min.js"></script>
<meta charset=utf-8 />
<title>JS Bin</title>
</head>
<body ng-controller=Ctrl>
  <input ng-repeat="entry in entries" value={{entry}} key-focus>
  <input type="text" value="outside the scope" />
</body>
</html>
​
 
var app = angular.module('App', []);
​
app.directive('keyFocus', function() {
  return {
    restrict: 'A',
    link: function(scope, elem, attrs) {
      elem.bind('keyup', function (e) {
        // up arrow
        if (e.keyCode == 38) {
          if(!scope.$first) {
            elem[0].previousElementSibling.focus();
          }
        }
        // down arrow
        else if (e.keyCode == 40) {
          if(!scope.$last) {
            elem[0].nextElementSibling.focus();
          }
        }
      });
    }
  };
});
​
​
// Main Controller
function Ctrl($scope) {
  $scope.entries = [
    'apple',
    'ball',
    'cow'
  ];
}
​
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