AngularJS 使用ng-repeat报错 [ngRepeat:dupes]

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

   
 
  {{word}} 
 

[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

 
  {{word}} 
 

在ng-repeat后面加上

track by $index 

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