Recent questions tagged angular

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angular - How to get rid of the warning .ts file is part of the TypeScript compilation but it's unused

I Just updated angular to latest 9.0.0-next.4. I am not using routing but suddenly after updating I keep seeing this ... "es2018", "dom" ] } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How to send a value from one component to another?

I make a componenet in which I have one input field and button.On click of button I am diplaying the second component ... (['Second']); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - One way data binding in Angular2

I got the following html <app-grid [columns]="columns" [data]="data" ></app-grid> I want the data ... this would be pretty straight forward. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - What's the proper way of accessing native element in angular2 (2 diff ways) docs are scarce

What's the proper way of accessing native element in angular2 (2 diff ways) so I have seen code that uses: ... but it is just my assumption. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Is there a way to build the mobile nav bar in ng2-bootstrap?

I've been implementing ng2-bootstrap and Angular2. I cannot figure out how to make the mobile navbar open / ... /AngularClass.com/slack-join */ See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Angular2 router: how to correctly load children modules with their own routing rules

here is my Angular2 app structure: Here is part of my code. The following is the main module of the Angular2 ... are not errors in the console. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - *ngFor on ng-template outputs nothing Angular2

Not sure why my *ngFor loop is printing nothing out. I have the following code in an html file: <table ... object, but then outputs nothing. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Angular2 How to clean up the AppModule

I've been using the tutorials online and created an 'ok' SPA data entry application. I have it connecting ... AppModule { } Folder Structure See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Can you move your animations to an external file in Angular2?

The @Component annotation provides us with an animations property. This can be used to define a list of triggers each ... a way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Reload child component when variables on parent component changes. Angular2

I have a MasterComponent which loads header, footer, sidebar etc. On the header there is a dropdown whose options are ... } createRecord(){ } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - angular2 testing: Can't bind to 'ngModel' since it isn't a known property of 'input'

I am trying to test angular2 two-way binding for control input. Here is the error: Can't bind to 'ngModel' since it isn ... ('test'); })); }); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Debounce @HostListener event

I'm implementing a simple infinite-scroll directive in Angular2. I'm using @HostListener('window:scroll') to get the ... being able to do that. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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885 views

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angular - Angular2 SVG xlink:href

I have component for rendering SVG icon: import {Component, Directive} from 'angular2/core'; import { ... set dynamic xlink:href? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How can I add a class to an element on hover?

How to add class to a div when hovered on the div. Template - <div class="red">On hover add class " ... see any straight forward solution yet! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - TS1086: An accessor cannot be declared in ambient context

I have a thousands of this error after initial implementation nad typing in terminal ng serve my-app of and i can ... .stringify(element)); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Cannot approach Typescript enum within HTML

I made an enum with Typescript to use in MyService.service.ts MyComponent.component.ts and MyComponent.component. ... be approached like this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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779 views

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angular - Angular2 detect change in service

I have one component in Angular2 which is changing a "lang" class variable in my service translate.service. ... ._translateService.getDict(); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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876 views

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angular - how to stop ngOnChanges Called before ngOnInit()

In my angular application, i came up with a situation where ngOnchanges should only be called when the inputs are ... this. Thanks in Advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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657 views

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angular - Set initially selected item in Select list in Angular2

I've managed to get a Select list to bind with my model for the purpose of saving, but I cannot work out ... in the component that it can read. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - How can I use ngFor to iterate over Typescript Enum as an array of strings

I'm using Angular2 and TypeScript and I have an enum: export enum Role { ServiceAdmin, CompanyAdmin, Foreman, ... is there a simpler way? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Run Angular2 as static app in browser without a server

As I understand the Angular2 concept - it is transpiling TypeScript files to .js files. In principle, it should ... solve? Thanks a lot! Maris See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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angular - How to access host component from directive?

Say I have the following markup: <my-comp myDirective></my-comp> Is there any way I can access the ... adding anything to the HTML above. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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742 views

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angular - Angular2 Displaying PDF

I have an angular2 project with an ASP.Net Web API. I have code to retrieve a file path from my ... greatly appreciated. Many Thanks!!! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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692 views

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angular - Attribute directive with ngModel to change field value

I want to change (force) input field values while typing using a attribute Directive. With it I would like to ... this so comments are welcome. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Ionic 4: "Loading Controller" dismiss() is called before present() which will keep spinner without dismissing

I used "Ionic Loading Controller" to show a spinner until the data is retrieved then it calls "dismiss()" to ... await loading.present(); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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669 views

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angular - Performance of using same observable in multiple places in template with async pipe

In my component template I am calling async pipe for same Observable in 2 places. Shall I subscribe to it ... no negative effect to performence? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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878 views

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angular - How to use a typescript enum value in an Angular2 ngSwitch statement

The Typescript enum seems a natural match with Angular2's ngSwitch directive. But when I try to use an enum ... reference to the enum appears. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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739 views

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angular - Angular2+ autofocus input element

How can I autofocus input element? Similar to this question, but not with AngularDart. Something like this: < ... 1 input in control template. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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