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ng-repeat 循环数组内元素时，如果数组内元素重复，angular会抛出异常: Error: [ngRepeat:dupes] http://errors.angularjs.org/1.4.3/ngRepeat/dupes?p0=record%20in%20records&p…2coachCode%22%3A%2200455532%22%2C%22%24%24hashKey%22%3A%22object%3A5%22%7D
为解决这个问题，可以在ng-repeat指令中加上track by $index，代码如下：
1 <li class="item record-item" ng-repeat="record in records track by $index"></li>
angularjs 解决ng-repeat数组内重复对象报错的问题
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原文地址：http://www.cnblogs.com/Hquestion/p/angular-ng-repeat-bug-fix.html
