Questions about Angular, the web framework from Google. Use this tag for Angular questions which are not specific to an individual version. For the older AngularJS (1.x) web framework, use the angularjs tag.

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-2
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0answers
11 views

Authentication implementation front or back?

I'm developing an application backend C#(WCF) and frontend Angular5 with Mongo Database.. the question here where would i develop the implementation of the Authentication ?
0
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0answers
24 views

Cancel button should not be visible when Inner HTML is displayed

Finding really hard to hide the Cancel button, when the inner html gets displayed.How can I force the outer div to get the refresh? The last div section is not getting refreshed.HTML<div class=...
0
votes
0answers
9 views

Module 'HttpRequest' and 'HttpEvent' has no exported member

I work in a web project and i want to upload file using angular4 , rest API end spring-bootbut when i launched the app it give me this error :Module 'HttpRequest' and 'HttpEvent' has no exported ...
0
votes
0answers
12 views

Animate on Scroll Position Angular 4

I try to do few animation on my page using Angular. I found a site, here with an example. But can someone tell me: If I have few blocks on page, and I must do few animation on the leather of them. How ...
0
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0answers
17 views

create ngModel based on variable

i want to create several inputfields based on the number of answers chosen 1-5 is possible. and want to name the ngModel "answer1" "answer2" "answer3" "answer4" "answer5" based on the number chosen. ...
0
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0answers
7 views

Current status is in root component respect module child in lazy loading router in Angular

I have this code in my router configpath: 'printing-documents',component: PrintingDocumentsContentComponent,children: [{path: '',component: ...
0
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0answers
21 views

Angular 5 http post/put update ui

I can't get my UI to update after an http post/put call in angular 5.The variable this.showSuccesMessage is always false.code const sequence$=this.http.post("http://localhost:5000/api/testcall",...
0
votes
1answer
14 views

How to go to next step programatically using ng2

I'm using Ng2-archwizard, what i want is to go to the next step using component.ts i mean with javascript function:<wizard><wizard-step stepTitle="Title of step 1">Content of Step ...
-1
votes
1answer
16 views

Checkbox group, submit button only if at least one checkbox is checked Angular 2

I have a checkbox group with 3 items. I created it with Angular 5.0.5 and Clarity vm. I want my function to check if at least one of the checkboxes is checked and THEN go at the next page, which is a ...
0
votes
0answers
27 views

Add or remove DOM classes with jQuery in Angular

I am migrating an AngularJS app to Angular 2+. How should I implement the below code in Angular 2+ in order to add or remove CSS classes to the DOM:link(scope, element, attrs) {let app=angular....
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0answers
13 views

angular build error: TypeError: Cannot read property 'line' of undefined

I am suddenly facing build fail error for production.I am running this command:ng build --prodand getting following error:D:\a\1\s\node_modules\clean-css\lib\reader\input-source-map-tracker....
-2
votes
1answer
18 views

Response is null for Http Post call to web api - Angular 4

Please do not mark as duplicate or downvote without reading complete question and providing fruitful comment.I am trying to make a post call to web api from Angular 4 using HttpClient.Here's my ...
-2
votes
1answer
19 views

Is it better to use one event binding with multiple functions or multiple event binding with one function?

Should i use <a (click)="f1(); f2()"> or <a (click)="f1()" (click)="f2()"> ?I don't care about the order, and I don't want to create another function to call the 2 others.
-1
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0answers
10 views

Angular, GraphlQL + Apollo Error: Network error: Http failure response

I'm working on a mutation to subscribe new data to my local GraphQL-API.But I'm getting the following error and I'm not sure what to do at this point:Error: Network error: Http failure response for ...
0
votes
2answers
33 views

Find element in array --> Method post. Typescript

When I login in app, ws post me and my user permission, like this json{"StatusCode":0,"StatusMessage":"Authentificated Successfully","Token":"eyJhbGciOiJIUzI1NiIs","StatusDescription":{...

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