Recent questions tagged angular

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angular - Pass enums in angular2 view templates

Can we use enums in an angular2 view template? <div class="Dropdown" dropdownType="instrument"></div> passes ... Tester {} bootstrap(Tester); 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 - Combine [NgStyle] With Condition (if..else)

I have read NgStyle Documentation For Angular 2, and it is a little bit confusing for me. How do I use ... set background image of any element? 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 change mat-icon size in Material

This question comes from the Material2 Github repo. I still have problems to style a Material component that is ... inside my custom component. 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 - Attempt to use a destroyed view: detectChanges

I am creating a simple UI using Angular Meteor 2. 1) I have a top navbar component which has ... Object.onScheduleTask (http://localhost:3000/packages/barbatus_angular2-runtime.js...

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

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angular - How do I force a refresh on an Observable service in Angular2?

In ngOnInit, my component obtains a list of users like so: this.userService.getUsers().subscribe(users => ... not possible for whatever reason. 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 - Ionic 2 - Disabling back button for a specific view

So I'm messing around a bit with Ionic 2, and I want to know how to disable the back button for a specific ... wouldn't allow you to 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 - Is it correct to implement a custom NgbDateParserFormatter to change the format of the input value on NgbInputDatepicker?

I'm using the datepicker (ng-boostrap) in a popup and I would like to change the date format to dd-mm-yyyy. It seems ... -YYYY") } } ] --- }) 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 - Can't bind to 'aria-valuenow' since it isn't a known property of 'div'

What's wrong with the following code? Hapenned to me when I tried to assign an expression to an element, < ... it happens since RC5 any ideas? 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 - ngModel cannot be used to register form controls with a parent formGroup directive

After upgrading to RC5 we began getting this error: ngModel cannot be used to register form controls with a parent ... }}</option> </select> 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 - Dynamically load a component inside a Material MatDialog

Can anyone provide an example of how to dynamically load a component into a Material MatDialog? What I would like ... > </mat-dialog-actions> 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 - The selector "my-app" did not match any elements

The problem is when I run my app, it works fine. But when I refresh it, most of the time I get ... or components yet but simple implementation. 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 - Reactive Forms correctly convert Form Value to Model Object

While creating a Model Driven Template Reactive forms, when I create model object from Form Value. Then model object is ... ) but it still same. 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 - @types/googlemaps/index.d.ts' is not a module

I want to use the Google Maps API with my Angular project, so I used these two commands to install npm packages: ... tried from Angular 5, too. 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 - Cloning an array in Javascript/Typescript

I have array of two objects: genericItems: Item[] = []; backupData: Item[] = []; I am populating my ... this happening and how to prevent 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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angular - md-table - How to update the column width

I have started using the md-table for my project, and I want fixed column width. Currently all columns ... .angular.io/components/table/overview 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 use .forRoot() within feature modules hierarchy

Can anyone please clarify to me how should I structure multiple nested feature modules hierarchy with .forRoot() ... the actual web project? 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 debug a "[object ErrorEvent] thrown" error in my Karma/Jasmine tests?

I have several failing tests that only output [object ErrorEvent] thrown. I don't see anything in the console that ... v1.70, Jasmine v2.7.0 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 unit test a component that depends on parameters from ActivatedRoute?

I am unit testing a component that is used to edit an object. The object has an unique id that is used ... service, so no worries there. 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 inject different service based on certain build environment in Angular2?

I have HeroMockService that will return mocked data and HeroService that will call back end service to retrieve heroes ... 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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angular - Why do we need `ngDoCheck`

I can't seem to figure out why I need ngDoCheck lifecycle hook other than for simple notification, particularly how ... } return changed; }; See Question&Answers more detail:os...

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

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638 views

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angular - How to insert a Build Number or Timestamp at build time in AngularCLI

I want to have a timestamp or build number somewhere on my Angular2 App so I can tell if a user is using ... Angular2 at AOT compile/build time? 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 - *ngIf else if in template

How would I have multiple cases in an *ngIf statement? I'm used to Vue or Angular 1 with having an if, ... my code with conditions like 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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angular - Angular2 RC6: '<component> is not a known element'

I am getting the following error in the browser console when trying to run my Angular 2 RC6 app: > Error: Template ... > 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 - tslint / codelyzer / ng lint error: "for (... in ...) statements must be filtered with an if statement"

Lint error message: src/app/detail/edit/edit.component.ts[111, 5]: for (... in ...) statements must be ... idea how to fix this lint error? 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 material dialog has issues - Did you add it to @NgModule.entryComponents?

I am trying to follow the docs on https://material.angular.io/components/component/dialog but I cannot understand why ... .invoke @ zone.js:345 See Question&Answers more detail:os...

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

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631 views

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angular - Set default host and port for ng serve in config file

I want to know if i can set a host and a port in a config file so I don't have to type ng serve -- ... bar --port 80 instead of just ng serve See Question&Answers more detail:os...

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

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562 views

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angular - How to emit an event from parent to child?

I am currently using Angular 2. Usually we use @Output() addTab = new EventEmitter<any>(); and then addTab. ... cersa, from parent to child? 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 promise - How to use the axios library with AngularJS

Why axios callback changes are displayed in angularjs, without using $apply I was trying axios library on angularjs and ... be "digested" too. See Question&Answers more detail:os...

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

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