TheAngularngIfis aStructural Directivethat allows us to completely add or remove DOM Elements based on some condition. In this Tutorial, let’s learn what ngIf is and how to use it in Angular. We will show you how to add or remove elements using an example. We will also look at the ...
Notice, that the else block has to be an ng-template. The ng-template is a special element that is interpreted by angular and has no DOM counterpart. That means, that this tag is not included in the final HTML result, but only its content. We have to use ng-content, because a norma...
ng-templatenever meant to be used like other HTML elements. It’s an internal implementation of Angular’s structural directives. 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. When...
While Angular has some built-in i18n functionality,ngx-translateis a third-party package that offers some functionality that might be better suited for your use case. In this article, you will usengx-translatein an Angular application. How to Install Node.js and Create a Local Development Envir...
I'm having trouble creating a select in Angular2 that is backed by an array of Objects instead of strings. I knew how to do it in AngularJS using ngOptions, but it doesn't seem to work in Angular2 (I'm using alpha 42). In the sample belo...
Do we really have to use ngIf over 20 times for a form just to show a handful of messages? How can we reuse a template of messages in other parts of the application? Are forms really this complicated? The new ngMessages module introduced in AngularJS 1.3-beta.8 is designed to render...
angularjs ng-options You can use ng-change to do that then in your onChange() method in the controller you can do whatever you want it to do :) In your case , show an alert with the value var app = angular.module('stack', []); app.controller('MainCtrl', function($scope) { ...
</ng-container> Using $implicit If you use the key$implicitin the context object will set its value as default for all the local variables. For Example we have not assigned anything to thelet-nameso it will take the value from the$implicit, which isGuest. ...
In Angular, usingNgTemplateOutletinstead of creating specific components allows for components to be easily modified for various use cases without having to modify the component itself! In this article, you will take an existing component and rewrite it to use ...
How does ng-class 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 the ng prefix. The ng-class directive is very simple and easy to use in HTML...