ng-repeat不允许重复元素问题

[ngRepeat:dupes] Duplicates in a repeater are not allowed. Use 'track by' expression to specify uniq

[ngRepeat:dupes] Duplicates in a repeater are not allowed. Use 'track by' expression to specify unique keys

ng-repeat不允许出现重复元素

<li ng-repeat="item in items">      {{item}}  </li>  

解决方案

<li ng-repeat="item in items track by $index">      {{item}}  </li>