AngularJs遇到的小坑與技巧

1. templateURL和路由之類的要在web server下運行。

2. 使用模板replace設爲true，模板裏也要有相應的標籤，不然不出現任何數據。

3. 1.2版本以後，ngRoute模塊獨立。

4.空的controller不定義會出錯。

5.Directive的link參數是有順序的:scope,element,attrs,ctrl

6.ng-repeat不能循環重複的對象。hack: ng-repeat="thing in things track by $id($index)"

7.儘可能更新的是變量的屬性而不是單個變量自己。

8.注意ng-repeat,ng-controller等會產生獨立做用域。

9.當jquery載入，則使用jquery，不然使用內置jqlite。all element references in Angular are always wrapped with jQuery or jqLite; they are never raw DOM references.

10.Uncaught Error: [$location:ihshprfx]  A標籤沒有去掉 <a href="#" ng-click="someMethod();"></a>

11.Error: listen EACCES 當在linux下，會出現這個錯誤，由於你監聽的端口的緣由，這裏個人是33。把它改爲8080或3030之類大的端口數就能夠了。有一個規定，這些端口最好是大於1024。

12. select在沒有ng-model的時候，沒法顯示。同理，當遇到沒法顯示最好看文檔少了什麼。

補：當ng-options的源，跟書寫不相配時會出現所有選擇的狀況，以下：

var a = [{"id":1,"name":"Ryan"}....] ,ng-options="item.i as item.name for item in a"  // i與id不一樣

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13.ng-bind-html-unsafe已去除，能夠用['ngSanitize'] 模塊或使用$sce服務

From stackoverflow

You indicated that you're using Angular 1.2.0... as one of the other comments indicated, ng-bind-html-unsafe has been deprecated.

Instead, you'll want to do something like this:

<div ng-bind-html="preview_data.preview.embed.htmlSafe"></div>

In your controller, inject the $sce service, and mark the HTML as "trusted":

myApp.controller('myCtrl', ['$scope', '$sce', function($scope, $sce) {
  // ...
  $scope.preview_data.preview.embed.htmlSafe = 
     $sce.trustAsHtml(preview_data.preview.embed.html);
}

Note that you'll want to be using 1.2.0-rc3 or newer. (They fixed a bug in rc3 that prevented "watchers" from working properly on trusted HTML.)