angularjs 使用ng-repeat報錯

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<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

? 發現是因為相同的內容重復引起，解決方案

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<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

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track by $index

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轉載于:https://www.cnblogs.com/laneyfu/p/4747491.html

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