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use linq and lamdba in javascript

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{ "histroys": [ { "since": "2.1.15", "overloads": [ { "parameters": [ { "name": "index", "types": [ "number" ], "descriptions": [ "要检索的从零开始的元素索引" ] } ], "returns": { "type": "any", "descriptions": [ "源序列中指定位置处的元素" ] }, "description": "返回序列中的指定索引处的元素", "remarks": [ "如果 index 超出范围, 此方法将引发异常. 如果希望 index 超出范围时返回默认值, 请使用 elementAtOrDefault 方法" ], "sees": [ { "apis": "IEnumerable", "method": "elementAtOrDefault" }, { "href": "https://msdn.microsoft.com/{language}/library/bb299233(v=vs.110).aspx", "title": "Microsoft MSDN" } ] } ] } ] }