REACT

About React

React is a JavaScript library for building user interfaces. It was developed by Facebook and is often used for building single-page applications and mobile applications.

One of the main benefits of using React is that it allows developers to create reusable components. These components can be easily shared and integrated into other projects, which can save a lot of time and effort.

React uses a virtual DOM (Document Object Model) to optimize updates to the actual DOM. When a component's state changes, React will update the virtual DOM and then use a diffing algorithm to determine the most efficient way to update the actual DOM. This can lead to significant performance improvements, particularly for applications with large amounts of data.

Another key feature of React is its syntax, which is known as JSX. JSX allows developers to write HTML-like code that can be included in JavaScript files. This can make it easier to understand the structure of a component and how it is related to other components in the application.

In addition to its core features, React also has a strong ecosystem of supporting libraries and tools. For example, React Router is a popular library for handling routing in React applications, and Redux is a popular library for managing application state.

Overall, react is a powerful and flexible tool for building user interfaces. Its reusable components, virtual DOM, and JSX syntax make it a popular choice for developers building modern web and mobile applications.

Features Of React

Here are some key features of React:

1. 1. Reusable components:   React allows developers to create reusable components that can be easily shared and integrated into other projects. This can save a lot of time and effort and make it easier to build and maintain large applications.


2. 2. Virtual DOM:   React uses a virtual DOM to optimize updates to the actual DOM. This can lead to significant performance improvements, particularly for applications with large amounts of data.


3. 3. JSX syntax:  Reacts syntax, known as JSX, allows developers to write HTML-like code that can be included in JavaScript files. This can make it easier to understand the structure of a component and how it is related to other components in the application.


4. 4. One-way data flow:   React follows a one-way data flow model, which means that data is passed down from a parent component to its children through props (short for properties). This can help make applications easier to understand and debug


5. 5. Strong ecosystem:   React has a strong ecosystem of supporting libraries and tools, such as React Router for handling routing and Redux for managing application state.


6. 6. Server-side rendering:   React can be used to render applications on the server-side, which can improve performance and enable applications to be indexed by search engines.


7. 7. Mobile development:   React can be used to build mobile applications using tools like React Native. This allows developers to build native mobile apps using the same concepts and principles as React for the web.

Benefits Of Using React

Here are some benefits of using React:

1. 1. Improved performance:  React's use of a virtual DOM can lead to improved performance, particularly for applications with large amounts of data.


2. 2. Reusable components:  The ability to create reusable components can save a lot of time and effort, and make it easier to build and maintain large applications.


3. 3. JSX syntax:  The JSX syntax can make it easier to understand the structure of a component and how it is related to other components in the application.


4. 4. One-way data flow:  React's one-way data flow model can help make applications easier to understand and debug


5. 5. Strong ecosystem:  React has a strong ecosystem of supporting libraries and tools, which can make it easier to add additional functionality to applications.


6. 6. Server-side rendering:  React's support for server-side rendering can improve performance and enable applications to be indexed by search engines.


7. 7. Mobile development:  React can be used to build native mobile applications using tools like React Native. This allows developers to use the same concepts and principles as React for the web.

Companies Who Using React

React is often used for building single-page applications and mobile applications. Here are some examples of applications that have been built using React:

1. 1. Facebook:  React was developed by Facebook, and it is used extensively throughout the Facebook platform, including the Facebook website and mobile apps.


2. 2. Instagram:   Instagram's web application is built using React, and the company has also used React Native to build its mobile apps.


3. 3. Netflix:   Netflix uses React to build its web-based TV interfaces.


4. 4. Airbnb:   Airbnb uses React for its web-based user interfaces, and the company has also used React Native to build its mobile apps.


5. 5. Dropbox:   Dropbox uses React for its web-based file manager.


6. 6. Asana:   Asana, a project management and teamwork platform, uses React for its web-based user interface.


7. 7. WhatsApp:   WhatsApp, the popular messaging app, uses React Native to build its mobile apps.

These are just a few examples, but React is used by many other companies and organizations for building a wide range of applications.

Applications Of React

Learning React can open up a number of career opportunities in the field of web and mobile development. Here are a few possible roles that someone with React skills might be qualified for:

1. 1. Front-end developer:  React is mainly used for building the front-end of web and mobile applications, so someone with React skills would likely be qualified for a role as a front-end developer.


2. 2. Full-stack developer:  React can be used in conjunction with other technologies like Node.js, so someone with React skills might also be qualified for a role as a full-stack developer.


3. 3. Mobile developer:  React can be used to build native mobile applications using tools like React Native, so someone with React skills might also be qualified for a role as a mobile developer.


4. 4. Web application developer:  React is well-suited for building single-page applications, so someone with React skills might be interested in a role as a web application developer.


5. 5. Technical project manager:  React is often used in large-scale projects, so someone with React skills might also be qualified for a role as a technical project manager.

In addition to these roles, there are many other career opportunities that might be available to someone with React skills. The demand for web and mobile developers with React skills is likely to continue to be strong as the library remains popular and widely used.

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Course Syllabus

• Syllabus
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• •   Overview of Java Script
  • Where does Java Script Fit in?
  • Comparing Products
  • Comparing Java Script to Java
  • The Purpose of Java Script
  • Prerequisites
• •   Building a Java Script Program
  • Using Java Script in an HTML Document
  • Hiding Java Script from old Web Browsers
• •   Reviewing HTML
  • Text Formatting & Layout
  • Hypertext Links & Anchors
  • Tables
  • Forms
  • Frames
• •   Basic Syntax Used in Java Script Commands
  • Basic Commands
• •   Variables
  • Overview of Variables
  • Assigning Values to Variables
  • Concatenating String Variables
• •   Functions
  • Creating & Calling Function
  • Sending Parameters to a Function
  • Receiving Parameters out of a function
  • Variable scope & Lifetime
  • Functions Called by Events
• •   Flow Control Structures
  • If Structure
  • If Else Structure
  • For Loop
  • While Loop
  • For/in Structure
• •   Operators
  • Unary Operators
  • Numeric Operators
  • Logical Operators
• •   String Processing
  • Length
  • Converting to all Upper or Lower Case
  • Index of
  • Last Index of
  • Char At
  • Substr.
• •   Objects
  • Standard Java Script Functions
  • Creating an Object
  • Adding Functions to an Object
  • Multiple Instances of an Object type
• •   History Object
  • Accessing the History Object
  • Creating Buttons
  • History.Go Method
• •   Date Object
  • Creating a Date Object
  • Setting the Date & Time by a Single String
  • Separating Variables with Commas
  • Displaying the Date & Time
  • Time Zones
  • Extracting the Date
  • Extracting the Hrs
  • Set Date Method
  • Set Time
  • Non-Data Object Functions
• •   Using Objects like Arrays
  • Creating an Array
  • For Loop
• •   Events
  • Time Status
  • Buttons
• •   Location Objects
  • Loading a Web Page from the Clients Hard Drive
  • Receiving a Document off the Web Server
  • Anchors & Hypertext Links
  • Tracking the on Click Event
• •   Form Objects
  • Button Objects
  • Text Objects
  • Text Area Objects
  • Hidden Objects
  • Check Box Objects
  • Radio Button Objects
  • Selecting Objects
  • On Change Events
• •   HTTP Cookies
  • The Cookie Property
  • Setting the Cookie Property
  • GetCookie()
  • SetCookie()
  • DeleteCookie()
  • Scope
  • Lifetime
• •   Calendar Application
  • Static Calendar
  • Dynamic Calendar
  • Functions for Up-Dating the Calendar
  • Assigning Values to the Dates of the Month
• •   Math Object
  • Constants
  • Circumference Calculator Application
  • Functions
• •   Frames
  • Referencing Objects in Other Frame
  • Event Calendar
• •   Form Validation
  • Trapping Empty Fields
  • Finding Invalid Values
  • Intercepting the Submit Button
• •   Shopping Cart Application
  • Order Entry on the Web
  • Looking at the Parent Object
  • Creating an Array of Objects
  • Ordernow Function
• •   Using Java Applets
  • Integrating Java Applets with HTML

TYPE	DURATION	HOURS	TRAINING MODE
Regular Track	45-60 Days	2 Hours a Day	Live Classroom
Weekend Track	8 Weekends	3 Hours a Day	Live Classroom
Fast Track	7 Days	6+ Hours a Day	Live Classroom

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