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2. ANGULARJS INTRODUCTION
• Angular Js is primarily totally based on JavaScript front-end framework,
this is specifically used for single-web page internet applications.
AngularJS framework reads the HTML page first. It is easy to get
information and updates from HTML documents. AngularJS is what HTML
has been, it was designed for apps. It is a great declaratory language for
fixed documents.
INFORMATION
CENTER-
Collection of tasks which are useful when writing web apps. Your code is in
charge and it calls into the information center when it sees fit.
FRAMEWORKS-
Particular fulfillment of a web application, where your code fills
in the details. Framework is in charge and it calls into your code
when it requires something app specific. AngularJS to fix
security, scan compatibility, or jQuery issues.
3. KEY FEATURES
• DOM control shape for repeating, showing and hiding DOM trash.
• This framework is matured on MVC (Model-View-Controller) design arrangement.
• Organization of HTML into recyclable components.
• Support for forms and form validation.
• Holding new actions to the DOM element, such as DOM event charge.
• It provides a fully recommended SPA (Single Page Application) framework.
• It gives routing recommendations.
• The Exam was designed right from the start; so you can build powerful tests.
• It is footing Dependency Injection.
• It supports two-way data binding.
4. DEPENDENCY INJECTION-
• Dependency Injection is a software program layout wherein additives are given their
dependencies on behalf of tough coding them in the component. AngularJS brings a
supreme Dependency Injection component. It brings the following core components
that can be injected into each other as dependencies.
ANGULARJS DIRECTIVES-
AngularJS directives are only used to boost HTML and DOM fundamentals
behavior. These are the certain attributes, that opening with ng- prefix, that tell
AngularJS’s HTML finder to attach a describe behavior to the DOM element.
Some of the better commonly use directives are:
ng-app directives
ng-animation
ng-aria
ng-model
ng-if
ng-repeat
5. NG-APP DIRECTIVES-
The ng-app directives define the root element of AngularJS applications. Covered
by which directives can be used to confirm binding and define behavior.
NG-Animation
A width provides base for JavaScript, CSS3 growth and CSS3 keyframe animation hooks within
real core and habit directives.
NG-Aria
A width for convenience support of everyday ARIA attributes.
NG-Model
NG-Model directive is used to define the model/variables value to be worn in AngularJS Application’s
HTML tiller like <input type=’text’/> and it also brings two-way required behavior with the model value.
6. NG-IF
Basic if account directive that signifies the circle element if the conditions are true.
When the action is false, the element is ejected from the DOM.
NG-Repeat
Instant an element once per item from a collection.
AngularJS EXPRESSIONS
Expressions in AngularJS are decent like JavaScript code snippets. JavaScript code is mostly written inside
double braces. Expressions in AngularJS are used to bind app data to HTML. The expressions are fixed by
Angular and the conclusion is returned back to where the expression is written. Like JavaScript expressions,
AngularJS expressions can also carry various good expressions. They run similar to ng-bind directives.
7. ANGULARJS ARCHITECTURE
AngularJS is a framework designed to increase the capabilities of HTML from simple static
language to a more dynamic client-side data-intuitive language. AngularJS is 100% JavaScript. It
allows the developer other code control and data-manipulative powers at the client-side itself.
Validation AngularJS
AngularJS gives client-side form validation. It checks the state of the form and input fields and lets you notify
the user about the current state. It also keeps the data about if the input fields have been touched, or
converted, or not.
Simple page applications
SPA is a strong tool for creating incredibly engaging and different experiences for your users. A few single page
Apps like Gmail, Airbnb, Netflix, Pinterest, PayPal, and many more are using simple page applications to
build a fluid, scalable experience.
8. AJAX REQUEST
Ajax stands for Asynchronous JavaScript and XML. It is used to request data from the server
without full-page refresh, and use the result, which was basically XML, to re-render a part of the
page. Ajax refers to any asynchronous despatched to a server from JavaScript.
Forms in AngularJS
Forms in AngularJS data-binding and validation input controls. Input controls are act for a user to enter
data. A form is a selection of controls for the desire grouping related controls together.
Input controls
• Input controls are the HTML input element:
• Input element
• Select element
• Button element
• Text area element
9. ANIMATIONS IN ANGULAR
Animations involve multiple style transformations over time. AngularJS provides animated
transitions, with the help of CSS.
Conclusion
AngularJS has the ability to express an application’s elements clearly and briefly. It makes the improvement
and testing application easy and pleasant.
