angular select下拉框 ng-options 3种默认选中方法

angular select下拉框 ng-options 3种默认选中方法

<div ng-controller="MyController">
    1、ng-model选中：
    <select ng-model="value">
      <option ng-repeat="item in Array">{{item}}</option>
    </select>

    2、ng-selected选中：
    <select>
      <option ng-repeat="item in Array" ng-selected="value2 == item">{{item}}</option>
    </select>

    3、ng-options:选中：
    <select ng-model="value3" ng-options="item for item in Array">
    </select>
</div>

<script type="text/javascript">
var myApp = angular.module('myApp', []);
    myApp.controller('MyController',['$scope', function($scope) {
      $scope.value = 'angular';
      $scope.value2 = 'vue';
      $scope.value3 = 'react';
      $scope.Array = ['JavaScript', 'react', 'angular', 'html5', 'vue'];
    }]);
</script>