Just as we are used to from other programming languages, the angular ngFor directive does also allow us to declare an else-block. This block is shown if the statement defined in the main block happens to be false. Show this only if "show" is true <ng-template #notShow> Show t...
1015 How can I use "*ngIf else"? 728 if else statement in AngularJS templates 0 How do I use ng-if to display or hide input fields? Related 9 Angularjs if/else statements 0 how use ng-if in angularjs 0 Angular JS ng-if 6 ng-else directive in angularjs 1 How to apply...
For case if with else, we can use ngIf and ngIfElse. <ng-template [ngIf]="condition" [ngIfElse]="elseBlock"> Content to render when condition is true. </ng-template> <ng-template #elseBlock> Content to render when condition is false. </ng-template> For case if with then, we...
How AngularJS ng-if works? In AngularJS framework, it is very important to know that all the In-Built directive which have been provisioned by AngularJS framework will always be denoted with ng prefix. The expression defined in ng-if directive evaluates to a Boolean value i.e. True or ...
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 below, I have five selects, but only ...
The interceptor is an essential part of Angular. "Learn how to use Angular's HTTP Interceptor effectively in 10 easy ways to improve your web app's performance.
In this tutorial we are going to learn how we can to configure an exit guard in the Angular 2 Router. We are going to learn how to use a CanDeactivate route guard to ask the user if he really wants to exist the screen, giving the user to for example save data that was not yet pe...
Let’s see how to use this HttpClient module in an Angular application. This module is already included in the application when we create the application in Angular. Follow the steps below to use it: Step 1:I have created the application with the help of angular-cli commandng new app-name...
How To Use Pug In An Angular App For both new and pre-existing apps using Angular CLI 6 and above, you will need to installng-cli-pug-loader. It’s an Angular CLI loader for Pug templates. For New Components And Projects Installng-cli-pug-loader. ...
Using ng-container to Avoid Redundant Elements In Angular, you cannot use more than one template binding on an element. This example combining *ngIf and *ngFor structural directives will not compile: Invalid Example {{ todo.content }} Copy Attempting to compile this code will result in the...