Node.jsにおける「route.get() Requires A Callback Function But Got A [object Undefined]」エラーの原因
Synopsis
Node.jsにおける「`Route.get() requires a callback function but got a [object Undefined]`」エラーの一般的な原因とその解決方法 ...
You Might Also Like
![Cause for "Route.get() requires a callback function but got a [object Undefined]" Error in Node.js](https://i.ytimg.com/vi/BfoMO4QnRNs/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLApVSCxTiwhS9oFUkJUJZwyVan-SQ)
![NodeJS : Node Route.get() requires callback function but got a [object undefined]](https://i.ytimg.com/vi/NSBbJqDo6VM/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLC34oAJx9ERKZ6Ib3KHdFeS2izeng)
![エラー: Route.get() にはコールバック関数が必要ですが、[オブジェクトが未定義] です](https://i.ytimg.com/vi/j2u0p3srz0w/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLAp7u8pI1BOQlohSyyzuvtvhCgw8Q)
![エラー: Route.get() にはコールバック関数が必要ですが、[object オブジェクト] を取得しました](https://i.ytimg.com/vi/DiQmP-PVI3A/hq720.jpg?sqp=-oaymwE2CNAFEJQDSFXyq4qpAygIARUAAIhCGAFwAcABBvABAfgB_AmAAtAFigIMCAAQARhNIFAoZTAP&rs=AOn4CLBx05yqV0ITsWS9-kJZgtKjoWXRPw)
![NodeJS : Route.get() requires a callback function but got a [object Undefined]. What did I do wrong?](https://i.ytimg.com/vi/6P7knlTag9I/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLDEbDdfqHP1WdkoK6inmpDWtWG0fA)
![NodeJS : .get() requires callback functions but got a [object Undefined]](https://i.ytimg.com/vi/ByE6UyrFmYU/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLBQ3_C01zEHcttOG1485mFPd9rFcg)
![Resolving the Route.get() requires a callback function but got a [object Undefined] Error in Node.js](https://i.ytimg.com/vi/Qihe1X5A7LU/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLAQG0qOoq7LeXeDlh5KGO5lHWYJfA)
![Resolving Route.get() requires a callback function but got a [object Object] Error in MERN Apps](https://i.ytimg.com/vi/oVAL_A8gLoU/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLB7egvWnb1T32HM91B-USm86kEwSQ)
![Solving the Route.get() requires a callback function but got a [object Object] Error in Express](https://i.ytimg.com/vi/ZGjbatQRjiQ/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLCNI6J23DPjlLd2soC4606GGRPAGw)
Download Options
Choose a download method below. All links open in new tabs.
| Service | Features | Action |
|---|---|---|
| SaveFrom |
MP4 & MP3 • HD Quality • Browser Extension Available
|
Download |
Security Notice: These are third-party services. We recommend using antivirus software and being cautious of pop-up ads.