AngularJS 使用ng-repeat报错 [ngRepeat:dupes]_编程学院

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2026-01-17 04:42:22

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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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