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In the process of learning angularjs, I did a small exercise of selecting an area
After implementation, the function cannot be implemented in different browsers

<h5 class="titright">選擇區(qū)域:</h5>
        <select name="addressid1" ng-model="query">
            <option value="no">請選擇</option>
            <option  value="{{phone.provinceid}}" ng-repeat="phone in phones" ng-click="getcity()">{{phone.province}}</option>
        </select>
        <select name="addressid2" ng-model="mycity" ng-show="num=='1'">
            <option value="no">請選擇</option>
            <option value="{{phone.cityid}}" ng-repeat="phone in city| filter:query" ng-click="getareas()">{{phone.city}}</option>
        </select>
        <select name="addressid3" ng-show="num1=='1'">
            <option value="no">請選擇</option>
            <option value="{{phone.areaid}}" ng-repeat="phone in areas| filter:mycity" >{{phone.area}}</option>
        </select>

This is js

var phonecatApp = angular.module('phonecatApp', []);



phonecatApp.controller('PhoneListCtrl', ['$scope', '$http', function($scope, $http) {
  $http.get('json/map_provinces.json').success(function(data) {
    $scope.phones = data;
    $scope.query="120000";
    $scope.num=0;
    $scope.num1=0;
  });
        
    $scope.getcity=function(){
        $http.get('json/map_city.json').success(function(data) {
        $scope.num=1;
        $scope.num1=0;
        $scope.city = data;
        $scope.mycity="no";
      });
    };
    $scope.getareas=function(){
        $http.get('json/map_areas.json').success(function(data) {
        $scope.num1=1;
        $scope.areas = data;
        $scope.myareas="no";
      });
    };
  //$scope.orderProp = 'age';
}]);

In 360 browser

In firefox browser