Angular 5 'inputClick' is declared but its value is never read

Angular 5 'inputClick' is declared but its value is never read

By : user2185176
Date : November 21 2020, 04:01 AM
wish of those help Data binding will not happen if you declare it as private. You need to declare it as public to make it available. Follow the code below:
code :
   export class MainInputFormComponent implements OnInit, DoCheck {
      @Output('changeData') sendTheNewDataJSON = new EventEmitter<any>();

      public inputClick: boolean = false;
<input class="born-date-input" formControlName="dateOfBorn" minlength="1" maxlength="10" (click)="inputClick=true"/>
<div class="alert alert-warning" *ngIf="inputClick">
      <small>show warning</small>

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Angular js Provider returns unknownProvider, when it is declared on basic angular example

Angular js Provider returns unknownProvider, when it is declared on basic angular example

By : Laurent
Date : March 29 2020, 07:55 AM
I wish this helpful for you AngularJS is complaining about the missing $resource service. You forgot to include the angular-resource.js file, and to make your main module depend on the ngResource module, as explained in the documentation.
Why is angular not declared?

Why is angular not declared?

By : Wed Ngg
Date : March 29 2020, 07:55 AM
hop of those help? I am learning AngularJS and trying to do my first app where I count the number of characters left in the message text area. However, when I have , You're missing a quotation mark.
code :
<script src="http
<script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
                    var app = angular.module("myContactApp", []);
                    app.controller("nmContactCtrl", function ($scope) {
                        console.log("In nmContactCtrl");
                        $scope.message = "";
                        $scope.charactersLeft = function () {
                            return 200 - $scope.userMessage.length;
ValidationContext is declared but its value is never read?

ValidationContext is declared but its value is never read?

By : hira
Date : March 29 2020, 07:55 AM
To fix this issue You must surround your typed parameters of an arrow function with parenthesis
code :
validators.forEach((vc:ValidationContext) => {
Angular 6 BehaviorSubject 'undefined': Error: TypeError: Cannot read property of my declared BehaviorSubject

Angular 6 BehaviorSubject 'undefined': Error: TypeError: Cannot read property of my declared BehaviorSubject

By : Emre Eyice
Date : March 29 2020, 07:55 AM
I wish did fix the issue. The problem will be caused by the scope of "this" being different in your callbacks. JavaScript has a concept of "this" which is unlike most other languages, however typescript (and modern Javascript) has another syntax to work around this, giving you a more intuitive behavior of "this".
code :
this.stompClient.connect(user, password, (frame: any) => this.onConnected(frame));
this.stompClient.subscribe('/topic/public', (message: any) => this.onMessageReceived(message));
this.stompClient.connect(user, password, (frame: any) => {
    console.log('Frame: ' + frame);
    this.stompClient.subscribe('/topic/public', (message: any) => {
        console.log('Message Received from MS: '  +  message);
        try {
        } catch (e) {
            console.log('Error: ' + e);
How many ng-App can be declared in in Angular JS?

How many ng-App can be declared in in Angular JS?

By : himanshu rana
Date : March 29 2020, 07:55 AM
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