Optimized event handling in Angular

Optimized event handling in Angular 3r33532. 3r3-31.
Introduction 3r3504. 3r33511.  3r33532. 3r? 3513. Angular provides a convenient declarative way to subscribe to events in a template, using the syntax 3r33535. (eventName) = "onEventName ($ event)" . Together with the policy of checking changes. ChangeDetectionStrategy.OnPush Such an approach automatically starts the cycle of checking changes only for the user input that interests us. In other words, if we listen (input) event on 3r33518. 3r314. 3r? 3519. element, the change check will not run if the user simply clicks the input field. This greatly improves
 3r33532...
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22 Board Angular-developer. Part 2

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22 Board Angular-developer. Part 1

 3r33894. 3r3-31. The author of the article, the first part of the translation of which we publish, says that he has been working on a large-scale Angular application in for about two years now. Trade Me . Over the past few years, the application development team has been constantly improving the project, both in terms of code quality and performance. 3r33879.  3r33894. 3r33879.  3r33894.
22 Board Angular-developer. Part 1 3r3883. 3r33879.  3r33894. 3r33865. 3r33866. 1. About trackBy
3r33868. 3r33879.  3r33894. Applying ..
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angular-ngrx-data - state management and CRUD for five minutes

angular-ngrx-data - state management and CRUD for five minutes
 
To date, no single large SPA the application does not do without state management . For Angular in this direction there are several solutions. The most popular of them is NgRx . It implements Redux Pattern using the library RxJs and has good tools.
 
In this article, we briefly go through the main modules NgRx and in more detail we will concentrate on the library angular-ngrx-data , which allows you to make a full ...
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How to make a user search using Github using Angular

How to make a user search using Github using Angular
 
 
This article is the answer to:
 
- How to make a user search using GitHub using React + RxJS 6 + Recompose ,
 
- How to make a user search by GitHub without React + RxJS 6 + Recompose ,
 
- How to make a user search using Github using VanillaJS .
 
 
The purpose of the article is:
 
- show that on Angular too it is possible to write a simple application quickly, although this is not its main point,
 
- show the pros of the application on Angular.
 
 
The purpose of the article is NOT:
 
- Kindle of the next holivara.
 
 
To all who are interested please under the ...
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Special training session from Luxoft

Unique features in Luxoft!
 
 
Luxoft has organized a special session of training at discount prices for jаvascript and Full Stack developers who are eager to pump their skills and knowledge and dream of finding the perfect job.
 
3 unique training on jаvascript, Angular 2 and React.js will start on August 20. Every person who has passed trainings will be able to test their strength and apply their skills in an interview with Luxoft experts, and by results of the interview get into new, interesting and unique projects. ...
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Working with data in Angular

Hello everyone, my name is Sergey and I'm a web developer. May the 3 r3r35 forgive me. Dmitry Karlovsky
for the borrowed entry, but it was his inspired me to write this article.
 
Today I would like to talk about working with data in Angular applications in general and on the subject domain models in particular.
? ActiveRecord ) The user model objects should be responsible not only for getting data about themselves, but also for changing them. For example, we may be able to change the user's avatar. How will the user model extended by such functionality look like?
 
//User
export ...
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Angular: Create a multiple checkbox component that is suitable for reusing

Angular: Create a multiple checkbox component that is suitable for reusingLet's create Angular component to create multiple checkboxes from a specific logical group. The component will be written with ideas for reuse. What does it mean? Let's give an example below:
 
 
Imagine before you the task of making user editing. When you edit it, it usually opens a form with all fields. The user can have one or multiple roles from the list Adimin, Director, Professor, Student.
 
 
To implement multiple choice of roles, it was decided to draw on the form one checkbox for each role. Putting a tick or removing the user's role will change.
 
 
To start, let's create a ...
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WebSockets in Angular: create an Angular Service for working with

WebSockets in Angular: create an Angular Service for working withwebcams. In this article, I'll try to cover in detail the narrow scope of the technology application within the framework of the Angular framework and its already integral help - RxJs, and we will not intentionally touch on server implementations, because this is a full-fledged topic for a separate article.  This text will be useful to those who are already familiar with Angular, but want to deepen their knowledge directly on the topic.  Wikipedia , WebSocket is a "duplex protocol (can transmit and receive simultaneously) over a TCP connection, intended for the exchange of messages between the browser ...
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Visualization of data using Angular and D3

D3.js is a jаvascript library for manipulating documents based on input data. Angular is a framework that boasts high data binding performance.
 
 
Below I will consider one good approach to using all this power. From D3 simulations to SVG injections and the use of template syntax.
 
 
Visualization of data using Angular and D3
 
Demo: positive numbers up to 300 connected to their divisors.
 
https://github.com/lsharir/angular-d3-graph-example (recently updated to Angular 5)
 
The demo: https://lsharir.github.io/angular-d3-graph-example/
 
 
[h2] How to easily make such ...[/h]
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