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Introduction to Angular 2 Video Lecture | Angular 2 tutorial - Front-End Programming
FAQs on Introduction to Angular 2 Video Lecture - Angular 2 tutorial - Front-End Programming
| 1. What is Angular 2 and how does it differ from Angular 1? |  |
Angular 2 is a front-end JavaScript framework developed by Google for building web applications. It is a complete rewrite of Angular 1 and introduces several changes and improvements. One major difference is the shift from AngularJS (Angular 1) to a component-based architecture in Angular 2. Angular 2 also offers improved performance, better mobile support, and a more simplified syntax compared to its predecessor.
| 2. How do I install Angular 2 for front-end development? | |
To install Angular 2 for front-end development, you need to have Node.js and npm (Node Package Manager) installed on your system. Once you have them installed, you can open your command prompt or terminal and run the following command to install Angular CLI globally:
npm install -g @angular/cli
This will install the Angular CLI, which provides a command-line interface to create and manage Angular projects. After installation, you can create a new Angular project using the "ng new" command.
| 3. Can I use Angular 2 with other front-end frameworks or libraries? | |
Yes, Angular 2 can be used with other front-end frameworks or libraries. Angular 2 provides a way to integrate with third-party libraries and frameworks through Angular modules. These modules allow you to import and use external components, directives, or services in your Angular 2 application. Some popular libraries and frameworks that can be used alongside Angular 2 include React, Redux, and RxJS.
| 4. How can I handle forms in Angular 2? | |
Angular 2 provides a built-in module called "FormsModule" that allows you to handle forms in your application. To use this module, you need to import it in your application's main module. The FormsModule provides directives like ngModel, ngForm, and ngSubmit that enable you to bind form inputs to component properties, track form validation, and handle form submission, respectively. By utilizing these directives and related APIs, you can easily implement form functionality in your Angular 2 application.
| 5. What are Angular 2 components and how do they work? | |
In Angular 2, components are the basic building blocks of an application. They encapsulate the application logic and UI into reusable and modular units. Each component consists of a template, which defines the HTML structure and layout, and a class, which contains the component's properties and methods. Components also have a selector that defines how they can be used within other components or templates. When a component is rendered, Angular 2 automatically creates an instance of the component class and associates it with the corresponding template. This allows you to dynamically update the UI based on the component's properties and respond to user interactions.
Text Transcript from Video
this is part one of angular 2 tutorial
this is the introduction to angular 2 in
this video we look at a few benefits
provided by angular 2 and why should we
use it while many developers are already
using angular 1 we know angular 1 was
released in October 2010 and it is by
far the most popular JavaScript
framework available for creating web
applications many developers are already
using angular 1 so the obvious question
that comes to our mind is why should we
use angular 2 well the first thing to
keep in mind is that angular 2 is not a
simple upgrade from angular 1
Angela 2 is completely rewritten so it
has a lot of improvements compared with
angular 1 so let's take a look at few of
these improvements performance from a
performance standpoint angular 2 has
faster initial loads change detection
and improved rendering time not just
performance we also have improved
modularity dependency injection and
testability if all these technical terms
doesn't make sense at the moment don't
worry we'll discuss all these in great
detail in our upcoming videos one
important thing to keep in mind is that
according to angular Conference meetup
angular 2 is 5 times faster compared to
angler gs1 mobile support angular 1 was
not built for mobile devices it's
possible to run angular 1 on mobile but
we'll have to use third-party frameworks
for that angular 2 on the other hand is
designed from the ground up with mobile
support in mind mobile device features
and limitations like touch interfaces
limited screen real estate and mobile
hardware have all been considered while
designing angular 2 so with angular 2 we
can build a single application that
works across mobile and desktop devices
component based development component
based development is the future of web
development in angular 2 everything is a
component components are the building
blocks of an angular application the
advantage of the component based
approach is that it facilitates greater
code reuse and from a unit testing stand
the use of components make angular 2
more testable well discuss what a
component is and how to build components
with examples in detail in our upcoming
videos
another benefit is that angular 2
we've got more language choices we can
use any of these programming languages
to build an angular 2 application we can
use Eggman script 5 or Ekman script 6
Eggman script 6 is officially renamed to
es2015 so keep in mind these two terms
Eggman script 6 and es2015 might be used
interchangeably and then we have
typescript besides these three
programming languages we also have dart
pure script L and some other languages
as well among all these languages
typescript is the most popular language
keep in mind
angular 2 itself is built using
typescript typescript has great support
for Akmal script 6 standard the obvious
questions that come to our mind at this
point are what is typescript and what is
atmosphere so let's answer these
questions now first let's understand
what is egg Musgraves the JavaScript
language standard is officially known as
egg mask read over the past several
years many versions of ACMA script were
released starting with Eggman script
version one all the way till ACMA script
version 7 most modern browsers that are
available today support Atma script 5
the browser support for Eggman scripts X
is still incomplete
however a process called translation
compiles ACMA scripts x2 a transcript 5
that most browsers can understand Eckman
scripts X is officially known as Eggman
script 2015 and it has introduced
several new features like classes
modules arrow functions etc we'll
discuss all these features with examples
in detail in our upcoming videos if
you're interested in learning more about
it must have standard and what these
different versions have to offer please
refer to this Wikipedia article now
let's understand what is typed
typescript is a free and open-source
programming language developed by
Microsoft it is a superset of JavaScript
and a process called translation
compiles typescript to JavaScript that
the browser's can understand using
typescript to build angular applications
provide all these benefits we know
typescript has create support for es2015
standard so when we use typescript to
build angular applications we can also
use object-oriented features like
classes interfaces and inheritance if
you have any experience with
object-oriented programming languages
like C Java Java then learning
typescript is very easy because of all
these benefits creating maintaining and
refactoring angular applications using
typescript can be an enjoyable
experience
so naturally typescript has become the
number one choice of many developers for
developing angular applications in this
course we will be using typescript as
the programming language so the obvious
question that comes to mind is should I
learn typescript to watch this course
the answer is no we will cover all the
required typescript concepts as we
progress through this course another
benefit of using typescript as the
programming language is that it is fully
supported by all these code editors so
you can pick and choose your favorite
code editor in our next video we'll
discuss setting up angular 2 in Visual
Studio thank you for listening and have
a great day
this is the introduction to angular 2 in
this video we look at a few benefits
provided by angular 2 and why should we
use it while many developers are already
using angular 1 we know angular 1 was
released in October 2010 and it is by
far the most popular JavaScript
framework available for creating web
applications many developers are already
using angular 1 so the obvious question
that comes to our mind is why should we
use angular 2 well the first thing to
keep in mind is that angular 2 is not a
simple upgrade from angular 1
Angela 2 is completely rewritten so it
has a lot of improvements compared with
angular 1 so let's take a look at few of
these improvements performance from a
performance standpoint angular 2 has
faster initial loads change detection
and improved rendering time not just
performance we also have improved
modularity dependency injection and
testability if all these technical terms
doesn't make sense at the moment don't
worry we'll discuss all these in great
detail in our upcoming videos one
important thing to keep in mind is that
according to angular Conference meetup
angular 2 is 5 times faster compared to
angler gs1 mobile support angular 1 was
not built for mobile devices it's
possible to run angular 1 on mobile but
we'll have to use third-party frameworks
for that angular 2 on the other hand is
designed from the ground up with mobile
support in mind mobile device features
and limitations like touch interfaces
limited screen real estate and mobile
hardware have all been considered while
designing angular 2 so with angular 2 we
can build a single application that
works across mobile and desktop devices
component based development component
based development is the future of web
development in angular 2 everything is a
component components are the building
blocks of an angular application the
advantage of the component based
approach is that it facilitates greater
code reuse and from a unit testing stand
the use of components make angular 2
more testable well discuss what a
component is and how to build components
with examples in detail in our upcoming
videos
another benefit is that angular 2
we've got more language choices we can
use any of these programming languages
to build an angular 2 application we can
use Eggman script 5 or Ekman script 6
Eggman script 6 is officially renamed to
es2015 so keep in mind these two terms
Eggman script 6 and es2015 might be used
interchangeably and then we have
typescript besides these three
programming languages we also have dart
pure script L and some other languages
as well among all these languages
typescript is the most popular language
keep in mind
angular 2 itself is built using
typescript typescript has great support
for Akmal script 6 standard the obvious
questions that come to our mind at this
point are what is typescript and what is
atmosphere so let's answer these
questions now first let's understand
what is egg Musgraves the JavaScript
language standard is officially known as
egg mask read over the past several
years many versions of ACMA script were
released starting with Eggman script
version one all the way till ACMA script
version 7 most modern browsers that are
available today support Atma script 5
the browser support for Eggman scripts X
is still incomplete
however a process called translation
compiles ACMA scripts x2 a transcript 5
that most browsers can understand Eckman
scripts X is officially known as Eggman
script 2015 and it has introduced
several new features like classes
modules arrow functions etc we'll
discuss all these features with examples
in detail in our upcoming videos if
you're interested in learning more about
it must have standard and what these
different versions have to offer please
refer to this Wikipedia article now
let's understand what is typed
typescript is a free and open-source
programming language developed by
Microsoft it is a superset of JavaScript
and a process called translation
compiles typescript to JavaScript that
the browser's can understand using
typescript to build angular applications
provide all these benefits we know
typescript has create support for es2015
standard so when we use typescript to
build angular applications we can also
use object-oriented features like
classes interfaces and inheritance if
you have any experience with
object-oriented programming languages
like C Java Java then learning
typescript is very easy because of all
these benefits creating maintaining and
refactoring angular applications using
typescript can be an enjoyable
experience
so naturally typescript has become the
number one choice of many developers for
developing angular applications in this
course we will be using typescript as
the programming language so the obvious
question that comes to mind is should I
learn typescript to watch this course
the answer is no we will cover all the
required typescript concepts as we
progress through this course another
benefit of using typescript as the
programming language is that it is fully
supported by all these code editors so
you can pick and choose your favorite
code editor in our next video we'll
discuss setting up angular 2 in Visual
Studio thank you for listening and have
a great day
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