標籤：html 文檔 自動載入 app 管理 class div mod 學習筆記
眾所周知：
ng-app 指令用於告訴 AngularJS 應用當前這個元素是根項目。
所有 AngularJS 應用都必須要要一個根項目。
HTML 文檔中只允許有一個 ng-app 指令，如果有多個 ng-app 指令，則只有第一個會被使用，一個頁面會自動載入第一個ng-app。
使用ng-app聲明Angular的邊界，你可以用ng-app 指令告訴Angular 應該管理頁面中的哪一塊，可以是整個HTML，也可以是某個div
一個ng-app可以有多個controller
$scope的範圍局限於每一個controller中
問題來了：
我就是想要多個ng-app，雖然這樣做不知道有什麼用？？？
有例子如下：
<!DOCTYPE html><html><script src="http://apps.bdimg.com/libs/angular.js/1.3.9/angular.min.js"></script><body><div id="app1" ng-app="App1"><span ng-controller="myCtrl" ng-init="firstName=‘John‘ ; lastName=‘DoeDoe‘">{{ firstName + " " + lastName }}</span><br><span ng-controller="yourCtrl">{{ secondName + " " + thirdName}}</span></div><br><div id="app2" ng-app="App2" ng-controller="yourCtrl">{{ secondName + " " + thirdName }}</div><script>var app = angular.module("App1", []);app.controller("myCtrl", function($scope) { // $scope.lastName = "Doe";});app.controller("yourCtrl", function($scope) { $scope.secondName = "小米1"; $scope.thirdName = "大米1";});var app1 = angular.module(‘App2‘, []);app1.controller("yourCtrl", function($scope) {$scope.secondName = "小米4";$scope.thirdName = "小米5";});//預設載入app1,通過下面的代碼顯示啟動app2,但是必須寫在app2申明之後angular.bootstrap(document.getElementById("app2"), [‘App2‘]);</script></body></html>
AngularJs學習筆記（1）——ng-app
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