We bind the*ngIfto an expression (a condition in the above example). The expression is then evaluated by thengIfdirective. The expression must return either true or false. If thengIfexpression evaluates to false, then the Angular removes the entire element from the DOM. If true, it will i...
How does the ng-repeat directive work in AngularJS? In the AngularJS framework, it is very important to know that all the In-Built directives that the AngularJS framework has provisioned will always be denoted with ng. ADVERTISEMENT
How ng-style Directive works in AngularJS? In the AngularJS framework, it is important to know that all the In-Built directives that the AngularJS framework has provisioned will always be denoted with the ng prefix. The ng-style directive is very simple and very easy to use directive in ...
When you use a structural directive in Angular we will add a prefix asterisk(*) before the directive name. This asterisk is short hand notation forng-template. Whenever Angular encounter with the asterisk(*) symbol, we are informing Angular saying that it is a structural directive and Angular ...
In this guide, we will learn what is ng-template and how it works and how Angular makes use of it in various directives like ngIf,ngFor & ngSwitch etc
Angular Navigation This guide covers how routing works in an app built with Ionic and Angular. The Angular Router is one of the most important libraries in an Angular application. Without it, apps would be single view/single context apps or would not be able to maintain their navigation state...
If you use NgModules, the lines with // <--- standalone only should not be part of your code! Now switch to app.component.ts : src/app/app.component.ts import { Component } from '@angular/core'; import {TranslateModule} from "@ngx-translate/core"; // <--- standalone only impor...
In order to make this work, Angular requires us to write the validator as an Angular directive, which is a means for hooking up some Angular code to an HTML-looking syntactic element, such as the forbiddenName directive in the input field, or the required or even *n...
By the way, if you’re not already, you can run the Angular test-runner by (again) using the CLI to kick it off in a long-running process by running “ng test.” This will fire up a browser window, execute the tests and provide interactive feedback by running the tests every time...
I can't tell you how it works internally, but angular needs these comments to keep track of directives that may or may not have actual DOM nodes as output. For example, when ngIf is false, there's no DOM node, but the angular compiler needs the comment to know at which position in...