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Angular News Monday, June 25

Angular Router Animations: the tricky bits – frontend.coach – Medium

  • In this article our example will be able to handle changes on a route parameter and will rock the left and right animation .
  • The routing definition can look like this: Next we will add the animation definition to the s decorator and a method that well use to obtain different values for animation trigger: – – With a template looking like this: we should now have animating page changes.
  • But when the path change happens within the same route entry, e.g. we move directly from to Angular does not create a new component but instead reuses the existing one.
  • See it for yourself and put a in the if only route param changes the component will not be constructed again.
  • Lets create a service that will track changes of route: Now in our we will emit an index of the item on the items list each time the component loads (i.e. we change the route) Note: the param will be a string so we need to cast it to a…

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Angular Router Animations: the tricky bits – frontend.coach – Medium

The Angular Series – Building Blocks Of Angular – Part Three

  • And if the component has multiple names like course form then well separate it using hyphens we starts with creating plain TypeScript class in courses.component.ts – – So in order for Angular to see this class, we need to export it.
  • When Angular sees this custom element, it renders the template of our courses component.
  • So, now open the index.html page from your src here youll see the – – custom html element and it is using our appcomponent, you can verify it just open app.component.ts and here youll see – – So whenever Angular sees the element like that, its going to…
  • Lets create the component called course – – – – Angular CLI has created the directory called course and then it created the four files inside the directory.
  • But keep in mind, it is showing on the screen because Im using courses component selector in my app.component.html – – In our real world application, obviously data comes from the server.

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The Angular Series – Building Blocks Of Angular – Part Three

Sentry

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Sentry | Error Tracking Software — JavaScript, Python, PHP, Ruby, more

How to build Progressive Web Apps with Angular.

  • ng new ng-pwa –skip-tests – Web App Manifest – – A web app manifest is a simple JSON file which contains configurations that gives web applications the ability to be saved on user’s home screen.
  • /, – theme_color: #008080, – background_color: #008B8B, – display: standalone, – description: A PWA that is built with Angular, – icons: [ – { – src: sizes: 16×16, – type: image/png – }, – { – src: sizes: 32×32, – type: image/png – }, – { – src: sizes: 150×150,…
  • component.html — – – div class=container – h1 – A Progressive Web App Built with Angular.
  • /h1 – img width=300 alt=Angular logo – – h2Get Started With Progressive Web Apps: /h2 – ul – li – h4a target=_blank rel=noopener Workers/a/h4 – /li – li – h4a target=_blank rel=noopener App Manifest/a/h4 – /li – li – h4a target=_blank rel=noopener Lab (PWA)/a/h4 – /li – /ul – -…
  • Once a new Firebase project has been created, go to the command terminal and navigate to your progressive web app folder.

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How to build Progressive Web Apps with Angular.

JavaScript : The one for all – Karan Pahwa – Medium

  • JavaScript can be used everywhere i mean literally in every phase of developing an application, JS can be used and this all is possible by growing number of frameworks developed keeping the JS as there core language.
  • It is a JavaScript library for producing dynamic, interactive data visualizations in web browsers.
  • An open-source library to define, train, and run machine learning models entirely in the browser, using Javascript and a high-level layers API.
  • But as we all know nothing is perfect and everything has its pros and cons… – JavaScript can be used on both front-end as well as on backend(Major advantage over other languages and the reason why it gain this much popularity).
  • JavaScript is one of the most fascinating languages according to me and it still growing and developing bringing new features and functionality to the table which helps the developer develop new things easily and while having fun because the developer can use one language for his/her backend as well as…

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JavaScript : The one for all – Karan Pahwa – Medium

Simplifying @ViewChild And @ViewChildren In Angular

  • Most of the time that we need to change the behavior or appearance of an element in our template from our component class (i.e. from ts file) then we require a reference variable of that element.
  • Now, the question is, Why did it show undefined inside the constructor and how can we use it?It showed undefined inside the constructor because, at the time when constructor was called, angular didn’t render the children.As we know, all the data renders in a Tree-Down approach in angular, so, when…
  • (To get the reference of child component into parent component) Like, – – First, generate one more component called clock, by the following command, Now, to create Clock component as a child of First Component, called app-clock selector inside the first.component.html file like, – – Now, if we want to…
  • For this, we create a reference of child element into parent component class.
  • For this, we need to follow the following steps Step 1 – – – – Import the child component (clock) into the parent component (first.component.ts) file, – – Step 3 – – – – Use child variable inside ngAfterViewInit() inside parents component.

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Simplifying @ViewChild And @ViewChildren In Angular

Angular 2 Form Validation

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Angular 2 Form Validation

Planning a MEAN stack application

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Planning a MEAN stack application | Manning

Afghan-Based Attack Disguised as News – Infosecurity Magazine

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Afghan-Based Attack Disguised as News – Infosecurity Magazine

Hybrid Picking Power-Chord Arpeggios – Guitar World

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Hybrid Picking Power-Chord Arpeggios – Guitar World

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