Read full article on the Infragistics blog You may have come across the requirement to push data in real time to an Angular Grid. To push data to the browser, you need a technology called WebSocket. You can implement that using NodeJS or ASP.NET SignalR. For the purpose of this article, we will use…… Continue reading High Performance Angular Grid with Web Sockets
Understanding ViewEncapsulation in Angular
To understand ViewEncapsulation in Angular, first we should understand about Shadow DOM. You can learn in detail about Shadow DOM here. Putting it in simple words, Shadow DOM brings Encapsulation in HTML Elements. Using the Shadow DOM , markup, styles, and behaviors are scoped to the element and do not clash with other nodes of the DOM. Shadow DOM is part of…… Continue reading Understanding ViewEncapsulation in Angular
Understating Angular Change Detection with example
Change Detection means updating the DOM whenever data is changed. Angular provides two strategies for Change Detection. Default strategy onPush strategy In default strategy, whenever any data is mutated or changed, Angular will run change detector to update the DOM. In onPush strategy, Angular will only run change detector only when new reference is passed…… Continue reading Understating Angular Change Detection with example
How to Count the Number of Properties of the JavaScript Object
While working with JavaScript, I come across a requirement to count a number of properties in a JavaScript object. I found two ways to find the number of properties in an object. They are as follows: Using for loop Using Object.keys Consider an object, “cat”, as demonstrated below: https://gist.github.com/debugmodedotnet/71a86e81addac19528f75e4591767122 You can find a number of…… Continue reading How to Count the Number of Properties of the JavaScript Object
How to deploy an Angular application to GitHub
In this article, we will follow a step-by-step approach to deploy an Angular application to a GitHub. We will create a project using Angular CLI and then deploy that to GitHub. Let us get started. Step 1 To create a project using Angular CLI. Run the command: ng new demo You need to make sure that Angular…… Continue reading How to deploy an Angular application to GitHub
How to do Conditional Validation on valueChanges method in Angular Reactive Forms
Read full article on the Infragistics blog In this blog post, we will learn to use Angular Reactive Forms value change detection and enable conditional validation on basis of that. Learn How to Create Your First Angular Reactive Form here Let us say you have a Reactive Form created using FormBuilder class as shown below:…… Continue reading How to do Conditional Validation on valueChanges method in Angular Reactive Forms
Simplifying ViewChild and ContentChild in Angular
Read full article on the Infragistics blog In this blog post, we will learn about ViewChild and ContentChild in Angular. Essentially ViewChild and ContentChild are used for component communication in Angular. Therefore, if a parent component wants access of child component then it uses ViewChild or ContentChild. Any component, directive, or element which is part…… Continue reading Simplifying ViewChild and ContentChild in Angular
How to dynamically create a Component in Angular
You can read full article on the Infragistics blog In this article, we will learn to create a component dynamically. You may need to load a component dynamically in various scenarios such as want to show a popup modal etc. Let us assume that, we have a component as listed below, which we will load…… Continue reading How to dynamically create a Component in Angular
Step by Step creating Custom Pipe in Angular
Read full article on the Infragistics blog Angular pipes take data as input and transform it to your desired output. For example, using interpolation you are displaying name of the product. Now you want the product name always displayed in the uppercase. You can do this using Angular pipe uppercase. https://gist.github.com/debugmodedotnet/929abeb0c328af3e9a266b49c11a811c In above component, productName…… Continue reading Step by Step creating Custom Pipe in Angular
How to create Custom Validator for Angular Reactive Forms
Learn full article on the Infragistics blog In this blog post, we will learn to create custom validators in Angular Reactive Forms. If you are new to reactive forms, learn how to create your first Angular reactive form here. Let’s say we have a login form as shown in the listing below. Currently, the form…… Continue reading How to create Custom Validator for Angular Reactive Forms
