Cannot access child interface data from API in angular. What am I doing wrong?

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Active3 hr before
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9 Answers

interfacecannotchildangularaccess
90%

Compiles an HTML string or DOM into a template and produces a template function, which can then be used to link scope and the template together,,Element or HTML string to compile into a template function

Example_snippet/controller/utility/_interface.js/ angular.module('do-check-modul. . .
angular.module('do-check-module', [])
.component('app', {
  template:
    'Month: <input ng-model="$ctrl.month" ng-change="$ctrl.updateDate()">' +
    'Date: {{ $ctrl.date }}' +
    '<test date="$ctrl.date"></test>',
  controller: function() {
    this.date = new Date();
    this.month = this.date.getMonth();
    this.updateDate = function() {
      this.date.setMonth(this.month);
    };
  }
})
.component('test', {
  bindings: { date: '<' },
  template:
    '<pre>{{ $ctrl.log | json }}</pre>',
  controller: function() {
    var previousValue;
    this.log = [];
    this.$doCheck = function() {
      var currentValue = this.date && this.date.valueOf();
      if (previousValue !== currentValue) {
        this.log.push('doCheck: date mutated: ' + this.date);
        previousValue = currentValue;
      }
    };
  }
});
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88%

If a service is injected in AppComponent, the same instance of the service is available to AppComponent and all it's child components, It is important to note that instances do not propagate up, they only go down to the child components

Example_snippet/controller/utility/_interface.js/ 1export class LoggingService {. . .
1
export class LoggingService {
   2 logSomeMessage(msg: any) {
      3 console.log("Message from consumer is : " + msg);
      4
   }
   5
}
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72%

Most front-end applications need to communicate with a server over the HTTP protocol, in order to download or upload data and access other back-end services, Angular provides a client HTTP API for Angular applications, the HttpClient service class in @angular/common/http

Example_snippet/controller/utility/_interface.js/ content_copy . . .
      content_copy

      import {
         NgModule
      } from '@angular/core';
      import {
         BrowserModule
      } from '@angular/platform-browser';
      import {
         HttpClientModule
      } from '@angular/common/http';

      @NgModule({
         imports: [
            BrowserModule,
            // import HttpClientModule after BrowserModule.
            HttpClientModule,
         ],
         declarations: [
            AppComponent,
         ],
         bootstrap: [AppComponent]
      })
      export class AppModule {}
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65%

As we can see in the console results:,When do we need the @ViewChild decorator?,The @ViewChild decorator cannot see across component boundaries!,So without further ado, let's get started with our @ViewChild decorator deep dive!

Example_snippet/controller/utility/_interface.js/ AppComponent. . .
AppComponent
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75%

company,ts & companyaddress

Example_snippet/controller/utility/_interface.js/ <div *ngIf="emp1"> Id:{{emp1. . .
<div *ngIf="emp1">
  Id:{{emp1.id}} Name: {{emp1.name}}
</div>
<div *ngIf="emp2">
  Id:{{emp2.id}} Name: {{emp2.name}}
</div>  
Step 2 continued with <div *ngIf="company && company. . .
<div *ngIf="company && company.CompanyAddress">
 <h3>{{company.Name}}</h3>
  <p>
    <div *ngFor="let addy of company.CompanyAddress">
        {{addy.Address1}}
    </div>
  </p>    
</div>
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40%

You can use the calendar REST API to view or edit shared calendars only if the calendars were shared using the new approach,,You cannot use the calendar REST API to view or edit such calendars (or their events) if the calendars were shared using the old approach

Example_snippet/controller/utility/_interface.js/ Connect-AzureAd -TenantId {cus. . .
Connect - AzureAd - TenantId {
   customerTenantIdOrDomainName
}
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22%

TypeScript has a feature called index signatures, These signatures are a way to signal to the type system that users can access arbitrarily-named properties

Example_snippet/controller/utility/_interface.js/ tsfunction useKey<T, K extends. . .
tsfunction useKey<T, K extends Extract<keyof T, string>>(o: T, k: K) {  var name: string = k; // OK}
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60%

Meaning that also down the scope chain, you could access MC from a child controller:,AngularJS also allows you to access scope through DOM elements (as long as debugInfo is enabled), and inject available services through the console, Consider the following in the console:,DebugInfoEnabled is a setting which defaults to true, and allows for scope access through DOM nodes

Example_snippet/controller/utility/_cannot.js/ angular.element(document.body). . .
angular.element(document.body).scope()
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48%

Implement this interface to execute custom initialization logic after your directive's data-bound properties have been initialized, ngOnInit is called right after the directive's data-bound properties have been checked for the first time, and before any of its children have been checked

Example_snippet/controller/utility/_cannot.js/ new MyClass(someArg);. . .
new MyClass(someArg);
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