解決TypeScript: Cannot read property 'push' of undefined （釋疑）
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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相關文章
- 1. Cannot read property 'newLine' of undefined
- 2. （已解決）TypeError: Cannot read property '_t' of undefined
- 3. 完美解決 Cannot read property 'length' of undefined
- 4. TypeError: Cannot read property 'toString' of undefined
- 5. TypeError: Cannot read property 'split' of undefined
- 6. Q： Cannot read property 'Map' of undefined ?
- 7. TypeError: Cannot read property 'compilation' of undefined
- 8. TypeError: Cannot read property 'key' of undefined
- 9. Cannot read property 'forEach' of undefined
- 10. Cannot read property '_withTask' of undefined