angular.js中 ng-repeat="i in [1]" ng-repeat="item in [1, 2]"什么意思

Question

<div ng-controller="EventController">   Root scope   <tt>MyEvent</tt> count: {{count}}   <ul>      <li ng-repeat="i in [1]" ng-controller="EventController">         <button ng-click="$emit('MyEvent')">            $emit('MyEvent')         </button>         <button ng-click="$broadcast('MyEvent')">            $broadcast('MyEvent')         </button>         <br>         Middle scope         <tt>MyEvent</tt> count: {{count}}         <ul>            <li ng-repeat="item in [1, 2]" ng-controller="EventController">               Leaf scope               <tt>MyEvent</tt> count: {{count}}            </li>         </ul>      </li>   </ul></div>

Answer 1

同问。。

Answer 2

[1]数组里有一个元素1，ng-repeat="i in [1]"遍历1次

[1，2]数组里有一个元素1，2，ng-repeat="i in [1，2]"遍历2次

Answer 3

数组[1] 数组[1,2]

Answer 4

I am test