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AngularJS 使用ng-repeat报错 [ngRepeat:dupes]

2017-01-19 11:11 736 查看

AngularJS 使用ng-repeat报错

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

ng-repeat报错

<div ng-init="words = ['高校','高校','高校']" ng-repeat="word in words">
{{word}}
</div>

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

  发现是因为相同的内容重复引起,解决方案

<div ng-init="words = ['高校','高校','高校']" ng-repeat="word in words track by $index">
{{word}}
</div>

在ng-repeat后面加上

track by $index

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标签:  AngularJS ng-repeat 报错