我已经使用 command 完成了项目构建ng build --prod
。它成功生成构建,但此构建无法在实时服务器上运行,它给出以下错误:-
main.0769518151819531d924.js:1 ERROR Error: Uncaught (in promise): TypeError: Cannot read property 'hasOwnProperty' of undefined
TypeError: Cannot read property 'hasOwnProperty' of undefined
at v (main.0769518151819531d924.js:1)
at Mf (main.0769518151819531d924.js:1)
at t.get (main.0769518151819531d924.js:1)
at kt (main.0769518151819531d924.js:1)
at Pt (main.0769518151819531d924.js:1)
at Et (main.0769518151819531d924.js:1)
at main.0769518151819531d924.js:1
at main.0769518151819531d924.js:1
at Df (main.0769518151819531d924.js:1)
at Mf (main.0769518151819531d924.js:1)
at P (polyfills.7d30aceca8fe7a5b6974.js:1)
at P (polyfills.7d30aceca8fe7a5b6974.js:1)
at polyfills.7d30aceca8fe7a5b6974.js:1
at e.invokeTask (polyfills.7d30aceca8fe7a5b6974.js:1)
at Object.onInvokeTask (main.0769518151819531d924.js:1)
at e.invokeTask (polyfills.7d30aceca8fe7a5b6974.js:1)
at t.runTask (polyfills.7d30aceca8fe7a5b6974.js:1)
at g (polyfills.7d30aceca8fe7a5b6974.js:1)
at t.invokeTask …
Run Code Online (Sandbox Code Playgroud) 如何将 formArray 中的 formgroup 推送到第 0 个索引处。它应该被 formArray 中的第 0 个元素替换。