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解決TypeScript: Cannot read property 'push' of undefined (釋疑)
時間 2020-06-03
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typescript
read
property
push
undefined
釋疑
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參考:http://www.itkeyword.com/doc/8453478450489251692/typescript-cannot-read-property-push-of-undefined-in-nulljavascript 1、問題 用TypeScript定義了一個數組,進行push操做時居然出現「Cannot read property 'push' of undefined」錯
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