AngularJS 使用ng-repeat报错

时间:2023-03-09 18:18:57
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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