Recent questions tagged Angular

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angular - How to solve the circular dependency

I have 3 services: auth.service.ts, account.service.ts, http.service.ts While user signup I should create new ... their role and are important. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Is it possible to get native element for formControl?

I've got Angular reactive form. I created formControls and assigned it to input fields by[formControl]= ... myFormControl.nativeElement.focus() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Behaviour subject initial value null?

private customer: Subject<Object> = new BehaviorSubject<Object>(null); setCustomer(id, accountClassCode) { this.customer. ... that is not null? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - rxjs/Subject.d.ts error : Class 'Subject<T>' incorrectly extends base class 'Observable<T>'

I extracted sample template code from this tutorial and did below two steps to get started - npm install // worked fine and ... : "^1.3.2" } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How to pass an expression to a component as an input in Angular2?

I need to pass an expression to a component that will be evaluated inside an component's template. For ... to avoid usage of TemplateRef. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Share data between components using a service in Angular2

I am developing an application using angular2. I have a scenario where I need to pass complex data (array of ... out.Any help is appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - No provider for Router?

Im getting this error: EXCEPTION: Error in ./AppComponent class AppComponent - inline template:0:0 caused by: ... export class LoginModule { } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Do I have to unsubscribe from ActivatedRoute (e.g. params) observables?

I find many examples where ActivatedRoute Observables like params or url are subscribed but not unsubscribed. ... in Router.routerState? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Angular2 router, get route data from url, to display breadcrumbs

I am using angular2 router. To draw the breadcrumb of an url, lets say site.com/a/b/c/15 I do the ... route data associated to an url ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How to make an http call every 2 minutes with RXJS?

I have a service that will make a call to my rest service every 2 minutes. On my service I have the following ... is the best way to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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680 views

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angular - How to conditionally wrap a div around ng-content

depending on the value of a (boolean) class variable I would like my ng-content to either be wrapped in a div or ... ` }) export class App {} See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How to conditionally wrap a div around ng-content

depending on the value of a (boolean) class variable I would like my ng-content to either be wrapped in a div or ... ` }) export class App {} See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - fromPromise does not exist on type Observable

In Angular 2 using rxjs I was trying to convert a Promise to Observable. As many of online guides showed I ... is no solution there either. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Get domain name for service in Angular2

I need to make request to same server, REST API on another port. How can I do this without hardcoding full name in service URLs? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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883 views

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angular - Angular2 equivalent of $document.ready()

Simple question, I hope. I want to run a script when the Angular2 equivalent of $document.ready() is fired. What ... but it works just fine } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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742 views

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angular - Set focus on <input> element

I am working a front-end application with Angular 5, and I need to have a search box hidden, but on click of a ... to focus. How can I do that? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - TypeError: You provided an invalid object where a stream was expected. You can provide an Observable, Promise, Array, or Iterable

I am trying to map from a service call but getting an error. Looked at subscribe is not defined in angular ... , Promise, Array, or Iterable See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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773 views

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angular - Merging http observables using forkjoin

I'm trying to avoid nested observables by using forkjoin. The current (nested) version looks like this: this.http ... adapt this to my example. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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592 views

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angular - Render content between the component tags

When a component is rendered, content inside it is ignored, for example: import { Component } from '@angular/core'; ... how can I achieve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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711 views

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angular - is there any alternative for ng-disabled in angular2?

I am using angular2 for development and was wondering if there is any alternative for ng-disabled in angular2 ... functionality? any inputs? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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765 views

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angular - Multiple canActivate guards all run when first fails

I have a route with two canActivate guards (AuthGuard and RoleGuard). The first (AuthGuard) checks to see if ... way to enforce this behavior? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How do I navigate to a sibling route?

Let's presume I got this router config export const EmployeeRoutes = [ { path: 'sales', component: ... anyone help out here please? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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623 views

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angular - Detect when image has loaded in img tag

I am using Angular 2 and I need to detect if an image has loaded in an image tag. Is there an event ... "imagesource" [loaded]="dosomething()"> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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587 views

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angular - `[(ngModel)]` vs `[(value)]`

What is the difference between <input [(ngModel)]="name"> and <input [(value)]="name"> They appear to do ... still around? What am I missing? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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684 views

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angular - Get reference to a directive used in a component

I have a component whose template looks something like this: <div [my-custom-directive]>Some content here</div> ... access to a child directive? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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angular ui router - Angularjs $state open link in new tab

I'm trying to implement an "open link in new tab" function using $state.go function. It would be awesome if ... way to do that using AngularJS? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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angular - error NG6002: Appears in the NgModule.imports of AppModule, but could not be resolved to an NgModule class

First time using firestore and I'm getting this error. It seems to be a problem with Ivy, from my research. I don't ... */*.spec.ts" ] } Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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686 views

1 answer

angular - How can I create an observable with a delay

Question For testing purposes, I'm creating Observable objects that replace the observable that would be returned by an ... 't seem to work. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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