Upgrading Your Application to Angular 2 to Angular 4

Earlier this year, Angular 4 was released. This was a much-awaited upgrade to the open-source programming language. Now that we have the version 4 live, the question remains whether or not you should upgrade to this new version. Here are reasons you should upgrade your Angular 2 project to Angular 4.

Upgrading-Application-from-Angular-2-to-Angular-4

It is comparatively smaller: Apps over Angular 4 will occupy less space on your device. The apps will be faster as they have been tweaked for performance.

Better ngIF and for With Angular 4, you have new syntaxes for template binding. You can use If and For functions when defining the local variables. You can add the loading screen when your data loads with the if/for functions.

Animation: With Angular 4, adding animations will become easy. You can use the main modules to import the BrowserAnimationModule in order to add animations to your program. You can find documentation with ease with the animation package that is available with Angular 4.

View Engine: This is one of the under-the-hood improvements made to Angular 4. The code size has reduced effectively with this new change added to the new version of Angular. You can delve into complex templates without increasing the size of the code. This will effectively reduce the production bundles. There will be a reduction of 100 kilobytes with this feature. So if you have some ahead of time generated code, you can upgrade it to Angular 4 and see how the production bundles grow thinner.

The Angular Universal: With Angular 4’s universal, you can run the project on the server. You can make sure the Angular project is up-to-date. It is a community supported feature and will offer all hacks whenever you are stuck.

How to Upgrade

Here are the steps to upgrade from Angular 2 to Angular 4

Step 1: Upgrade the dependencies in your project to Angular 4.

Linux/Mac
npm install @angular/{common,compiler,compiler-cli,core,forms,http,platform-browser,platform-browser-dynamic,platform-server,router,animations}@latest typescript@latest –save
Windows
npm install @angular/common@latest @angular/compiler@latest @angular/compiler-cli@latest @angular/core@latest @angular/forms@latest @angular/http@latest @angular/platform-browser@latest @angular/platform-browser-dynamic@latest @angular/platform-server@latest @angular/router@latest @angular/animations@latest typescript@latest –save

Step-2: Run ng-serve command. Check the registration form

Step-3: Rename the templates to <ng-template>

Step-4: Convert all Angular module versions to 4.x

Step-5: Run ng Serve

There, you have upgraded your app to Angular 4. Overlook the errors and warnings that come up while upgrading.

Seashore Partners are experts in AngularJS Development Services. We have experts who can upgrade your apps to Angular 4, and get you started with the latest features and functionality. Are you ready for the upgrade? Connect for a quick quote.

Earlier this year, Angular 4 was released. This was a much-awaited upgrade to the open-source programming language. Now that we have the version 4 live, the question remains whether or not you should upgrade to this new version. Here are reasons you should upgrade your Angular 2 project to Angular 4.

It is comparatively smaller: Apps over Angular 4 will occupy less space on your device. The apps will be faster as they have been tweaked for performance.

Better ngIF and for With Angular 4, you have new syntaxes for template binding. You can use If and For functions when defining the local variables. You can add the loading screen when your data loads with the if/for functions.

Animation: With Angular 4, adding animations will become easy. You can use the main modules to import the BrowserAnimationModule in order to add animations to your program. You can find documentation with ease with the animation package that is available with Angular 4.

View Engine: This is one of the under-the-hood improvements made to Angular 4. The code size has reduced effectively with this new change added to the new version of Angular. You can delve into complex templates without increasing the size of the code. This will effectively reduce the production bundles. There will be a reduction of 100 kilobytes with this feature. So if you have some ahead of time generated code, you can upgrade it to Angular 4 and see how the production bundles grow thinner.

The Angular Universal: With Angular 4’s universal, you can run the project on the server. You can make sure the Angular project is up-to-date. It is a community supported feature and will offer all hacks whenever you are stuck.

How to Upgrade

Here are the steps to upgrade from Angular 2 to Angular 4

Step 1: Upgrade the dependencies in your project to Angular 4.

Linux/Mac
npm install @angular/{common,compiler,compiler-cli,core,forms,http,platform-browser,platform-browser-dynamic,platform-server,router,animations}@latest typescript@latest –save
Windows
npm install @angular/common@latest @angular/compiler@latest @angular/compiler-cli@latest @angular/core@latest @angular/forms@latest @angular/http@latest @angular/platform-browser@latest @angular/platform-browser-dynamic@latest @angular/platform-server@latest @angular/router@latest @angular/animations@latest typescript@latest –save

Step-2: Run ng-serve command. Check the registration form

Step-3: Rename the templates to <ng-template>

Step-4: Convert all Angular module versions to 4.x

Step-5: Run ng Serve

There, you have upgraded your app to Angular 4. Overlook the errors and warnings that come up while upgrading.

Seashore Partners are experts in AngularJS development. We have experts who can upgrade your apps to Angular 4, and get you started with the latest features and functionality. Are you ready for the upgrade? Connect for a quick quote.

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Know About Angular Dependency Injection

What is Dependency Injection?

Dependency Injection (DI) is used to inject the creating components and resolving dependencies of components and provide the best AngularJS Development Services to develop our company.

Why Dependency Injection?

  1. We can create the dependency of components using the new operator.
  2. We can look up the dependency of component by referring to a global variable.
  3. We can use the dependency for component when we needed.

AngularJS Development Forms Validations

AngularJS Development Services

How to use Dependency Injection?

  1. Services
  2. Directives
  3. Filters
  4. Constant
  5. Value

 AngularJs   Forms

  1. Form Introduction
  2. Form and Field Validation
  3. Binding Checkboxes
  4. Binding Radio Buttons
  5. Binding Select Boxes
  6. ng-options and empty Options
  7. Selecting Multiple Options
  8. ng-minlength and AngularJS Development Services
  9. ng-pattern and ng-required

What Is Form?

The Form is a group of controls, it just collections of related individual controls are group together.

In the registration form, we contain the Name, Address, and Contact, email and terms and conditions #wordpress.

ng-minlength and AngularJS Development Services

What is use of the ng-minlength and AngularJS Development Services?

Angular.js doesn’t encourage inheritance. If you go through a couple of articles about dependency injection in Angular.js, the message isn’t quite loud, but it is evident: inheritance leads to code coupling and should be avoided. Instead AngularJS Development Services encourages the use of composition, a practice where you break your code in little components or services that can be attached (injected) to your core logic when needed.

Introduction to AngularJS Development Services

The following AngularJS Development Services aims at explaining the essential & advanced ideas of angular framework exhaustive. During this AngularJS tutorial, we are going to learn angularjs step by step with additionally the way to implement the angular framework in a very net application with the way to use its powerful options like directives, filters, services etc.

But before that it’s essential to under swath what’s AngularJS Development & why one ought to implement AngularJS in their existing applications considering the professionals with cons of the framework.

AngularJS Development Services.png

What is AngularJS Development?

AngularJS could be a JavaScript framework that helps in developing net applications in Model-View-View Model (MVVM) pattern AngularJS Development Services for developing Single page applications (SPA’s), Responsive made computer programme net applications. It’s not a library like Jquery however a framework that involves ideas like dependency injection, DOM manipulation etc. wont to to develop huge Line of business applications (LOB). It’s strictly supported javascript, JQuery reference isn’t needed.It uses its own JQuery version called JQlite.

Why AngularJS Development?

AngularJS Development Services beyond question is that the best javascript framework obtainable within the business immediately. However it’s its own shortcomings, that ought to be taken into thought whereas selecting a javascript framework for your net application. Following could be a list of professionals with cons practised by developer’s exploitation angular:

CONS OF AngularJS Development

  • AngularJS Development Services even if a javascript framework manages to produce a secure atmosphere for your knowledge with application.
  • Angular is developed by taking testing into thought since begin, thus unit testing the code is simple.
  • 2 approach knowledge binding: This feature allows the read & model to be in synchronize all the time. Amendment in sight changes the model with the other way around. Developer doesn’t got to interfere within the doom manipulation with is taken care by Angular internally.
  • Application prototyping: Prototyping an internet application instantly with considerably less code practicality is created straightforward by Angular.
  • Dependency injection: one in all the key options with a vital one. We are going to understwith DI exhaustive in later tutorials, as understanding it within the initial part is sort of tough.
  • Filters & Directives ease committal to writing.
  • Supports net development exploitation MVC design.

Angular could be a pure javascript framework; all the powerful options ar enforced exploitation javascript. Downside here is, if a user disables the AngularJS Development from the browser or shopper facet, your net application won’t perform as it’s purported to. Learning Curve is huge, basics straightforward however understanding & implementing some vital options like custom directives need observe.

AngularJS Development Services is a smaller amount SEO friendly. Youought to place some efforts or build some in your for your net application to rank on prime on the Crunchbase search engines. Google crawlers currently have started understanding javascript, thus there’s a hope in future.

Performance problems, angular uses it’s owns by directives with expressions for AngularJS Development up its operations so as to seek out them the mandatory action it’s to break down the whole DOM. This parsing of DOM happens at the time of page load that takes a great deal of your time.

 

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