Which @angular/* package(s) are the source of the bug? core Is this a regression? Yes Description A strange phenomenon occurs when I use the following code, resulting in a TypeError: Cannot read properties of undefined (reading 'transfor...
ng serve / ng build Exception or Error X [ERROR] Cannot read properties of undefined (reading 'startName') [plugin angular-compiler] This error came from the "onStart" callback registered here: node_modules/@angular-devkit/build-angular/src/tools/esbuild/angular/compiler-plugin.js:89:18: ...
使用箭头方法,确保该方法没有自己的this,并将当前对象用作this。 或者在requestAnimationFrame处使用匿名箭头函数调用animate()进行循环
当我想显示“CssArea”时,出现了这个错误 ERROR TypeError: Cannot read properties of undefined (reading 'cssArea') at IdeCssExerciceComponent.ngAfterViewInit (ide-css-exercice.component.ts:48:49) at callHook (core.mjs:2551:1) at callHooks (core.mjs:2520:1) at executeInitAndCheckHooks (core....
用于接收文件的代码：jQuery.browser = {}; (function () { jQuery.browser.msie = false; jQuery.browser.version = 0; if (navigator.userAgent.match(/MSIE ([0-9]+)\./)) { jQuery.browser.msie = true; jQuery.browser.version = RegExp ...
We have fixed the reported issue "Cannot read properties of undefined reading get" and the fix for the reported issue was included in our latest weekly release v23.2.5. Kindly upgrade to that version to get the issue resolved. Packages: Service side package ASP.NET Core : https://www....
2) As for the rest of the error messages: .k-form .k-form-fieldset>*.k-hidden+:not(.k-hidden) -> Cannot read properties of undefined (reading 'type') .k-form>*.k-hidden+:not(.k-hidden) -> Cannot read properties of undefined (reading 'type') .k-rpanel-l...
ERROR TypeError: Cannot read properties of undefined (reading 'templateRef') at ZippyComponent_div_1_Template (template.html:3:19) at executeTemplate (core.js:7511:9) at refreshView (core.js:7380:13) at refreshEmbeddedViews (core.js:8481:17) at refreshView (core.js:7404:9) at refreshCom...
这就导致了 Cannot read properties of undefined (reading 'ɵcmp'),这个 undefined 指的就是 ChildComponent。 那为什么 import 顺序调换它又没有问题呢? 因为它们使用依赖的时机不同,Parent 使用 Child 是在 class static 也就是立刻执行,而 Child 使用 Parent 是在 constructor 里,它不是立刻执行的,是等到...
运行ng serve后,在终端窗口中有一个异常:Error: Error on worker #1: TypeError: Cannot read property'map' of undefinedAn unhandled exception occurred: NGCC failed.有关更多细节,请参见/tmp/ng-EAdxWj/angular-errors.log。[error] E 浏览14提问于2020-05-13得票数 11 回答已采纳 ...