在angular的項目里，一不小心就會出現這個錯誤[ngRepeat:dupes] ，這個問題是因為內容有重復引起的解決起來挺簡單
在對應的ng-repeat指令中增加track by $index，意思是用索引值識別
例：
<p ng-repeat="item in ages track by $index">
{{item}}
</p>
這樣，報錯就消失啦
Angular項目 Error: [ngRepeat:dupes] Duplicates in a repeater are not allowed.報錯
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