How to apply pipe in attribute in Angular html template

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How can I apply angular date pipe in my i tag? The below code is not working:

<i class="fas fa-mouse-pointer font-14 status-icon-active mr-3"
    *ngIf="recentDate"
   [tooltip]="[recentDate| date: 'medium']"> -- error Here
</i>

You can use angular data bindings or interpolation techniques

tooltip="{{recentDate | date: 'medium'}}" // Using interpolation

or

[tooltip]="recentDate | date: 'medium'" // Data binding

Pipes, To tell Angular that this is a pipe, you apply the @Pipe decorator, which you import from the core Angular library. The @Pipe decorator allows you to define the pipe name that you'll use within template expressions. It must be a valid JavaScript identifier. Your pipe's name is exponentialStrength . To add parameters to a pipe, follow the pipe name with a colon ( : ) and then the parameter value (such as currency:'EUR' ). If the pipe accepts multiple parameters, separate the values with colons (such as slice:1:5) Modify the birthday template to give the date pipe a format parameter.

This is probably accusing interpolation. You should write typescript like

<i [tooltip]="recentDate | date: 'medium'">

or

<i tooltip="{{recentDate | date: 'medium'">

Any of these will work.

Template syntax, Some legal HTML doesn't make much sense in a template. assignment, such as += and -=; the bitwise operators, such as | and &; the pipe operator Generally, use property binding over attribute binding as it is more intuitive (being a  Instead of an element property between brackets, start with the prefix attr, followed by a dot (.) and the name of the attribute. You then set the attribute value, using an expression that resolves to a string. Check out how to use HTML data attributes with TypeScript and Angular 9 for tracking the unread messages in a chat UI.

You should replace:

[tooltip]="[recentDate| date: 'medium']"

by:

[tooltip]="recentDate | date: 'medium'"

SlicePipe, @Component({ selector: 'slice-list-pipe', template: `<ul> <li *ngFor="let i of collection | slice:1:3">{{i}}</li> </ul>` }) export class SlicePipeListComponent  Angular Reactive Templates with ngIf and the Async Pipe Last Updated: 24 April 2020 local_offer Angular Core The ngIf template syntax is very useful in many common use cases, like for example using an else clause when we want to display a loading indicator.

Introduction to components and templates, For example, HeroListComponent has a heroes property that holds an array To specify a value transformation in an HTML template, use the pipe operator (|). But there are some HTML elements (such as colspan, area, etc) that do not have the DOM Properties. Now the question is how to deal with such elements that do not have DOM Properties as we can’t use Interpolation and Attribute Binding. The Answer is Angular Attribute Binding. With Attribute Binding in Angular, you can set the value of an HTML

Using Pipe Results in Angular Templates, We create a pipe that takes an array and search value, and filters the result based on the… Let's say you need to build a filter pipe which is responsible for filtering lists in your application. Cannot read property 'length' of undefined. The reason is that the local variable is scoped to the hosting HTML  In this article we are reviewing what it takes to render HTML content inside Angular templates, including a word of caution regarding unsafe content.

Angular Pipes And Data Binding – Vegibit, We're going to look at how we can use property data binding to set image properties in our component, then use them in the template to display an image for each game. From there we'll input element. Finally, we'll see how Pipes in Angular can be used to transform bound data. templateUrl: './game-list.​component.html'. Attribute binding syntax is like property binding. In property binding, we only specify the element between brackets. But in the case of attribute binding, it starts with the prefix attar, followed by a dot (.), and the name of the attribute. You then bind the attribute value using an expression that resolves to a string.

Comments
  • The value should not be enclosed in brackets: [tooltip]="recentDate | date: 'medium'"