Angular $interval

<!DOCTYPE html>
<html ng-app="myApp">
<head lang="en">
  <meta charset="UTF-8">
  <script src="js/angular.js"></script>
  <title></title>
</head>
<body>
<div ng-controller="myCtrl">
  <span>{{count}}</span>
</div>
<script>
  var app = angular.module('myApp', ['ng']);
  app.controller('myCtrl',
    function ($scope, $interval) {
      $scope.count = 0;
      //启动周期性定时器 实现对数据的自增操作
      $interval(
        function () {
          $scope.count++;
        },
        500)

    })
</script>
</body>
</html>
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