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
Following are the key features of the JSON-Server that a developer should remember while working with the JSON-Server: You can start a REST API server in minutes by simply providing a JSON file that defines your data and treats it as a database for your angular application. It supports all...
In the case of an observable it'll pass the last value of the observable:import { Component } from '@angular/core' import { Observable } from 'rxjs/Rx' @Component({ selector: 'my-app', template: ` {{ item }} ` }) export class AppComponent { public items = Observable.of(...
key in the context of an @NgModule defines additional modules that will be imported into the current module. For example, we imported the BrowserModule, which adds a lot of common functionality like such as ngIf and ngFor. By importing the BrowserModule we get access to all of these...
ngFor TrackBy Angular Tutorial Angular Pipes In this tutorial, we will show you how to create a Custom Directive in Angular. The Angular directives help us to extend or manipulate the DOM. We can change the appearance, behavior, or layout of a DOM element using the directives. We will bui...
You can easily create your angular application using bellow command: ng new myApp Step 2: Install Npm Packages In this step, we will install ckeditor4-angular npm package for use ckeditr rich textarea in angular 8/9. so let's run bellow command: ...
Step 2. Install drage and drop from npm js npm i angular-drag-drop. Step 3. Add code in the your HTML file. <mat-table [dataSource]="dataSource" class="mat-elevation-z8" cdkDropListGroup> <ng-container *ngFor="let column of columns; let i = index" [matColumnDef]="column.column...
Using directives, such as ngFor or ngModel, etc., to create custom directives and bind expressions to particular element properties or events is an additional method for using expressions in Angular. Example.To bind in the Angular application, use the expressions with the custom directive, as sho...
Angular animation helper methods trigger() The overall implementation of a single animation goes inside thetrigger()method. A trigger should have a name that can be referenced from the DOM. In the above example, we have defined a trigger namedaddItem, and it will be attached to the DOM eleme...
4)VOL(V) 成交量(手) 返回该周期成交量.5)OPEN(O) 开盘价 返回该周期开盘价.6)ADVANCE 上涨家数 返回该周期上涨家数. (本函数仅对大盘有效)7)DECLINE 下跌家数 返回该周期下跌家数. (本函数仅对大盘有效)8)AMOUNT 成交额(元) 返回该周期成交额.9)VOLINSTK 持仓量...