- What problems does React aim to solve?
- How might React differ from other JavaScript frameworks or libraries you've heard of?
- How might building an application with components be advantageous?
- How does React's Virtual DOM differ from the actual DOM, and why might this be beneficial?
- How does JSX combine JavaScript and HTML-like markup?
- How does a traditional website differ from a Single Page Application?
- Why might developers choose to build an SPA using React?
- How might an application's data or user interface be affected by changes over time?
- How do you think React manages this dynamic data?
Created
October 12, 2023 13:36
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React Discussion Questions
Team members:
- Yousef abunameh
- hasan mohammad
- mahmoud rumaneh
- lujain mansour
Q1 - React aims to solve the problem of efficiently managing and updating complex user interfaces that include components frequently changing over time, without the need for complex JavaScript code.
Q2 - React differs from other JavaScript frameworks or libraries because it follows a simplified Model-View-Control (MVC) architecture, is written in JavaScript, is versatile for web, hybrid, and native applications, and typically requires multiple tools for comprehensive project testing.
Q3 - Building an application with components offers several advantages, including easier maintenance by breaking down the frontend into manageable pieces, faster development through component-based methodologies, and better reusability by minimizing code duplication.
Q4 - The Virtual DOM is much faster than the Real DOM because it's a lightweight representation, and updates in the Virtual DOM lead to improved performance by avoiding the complete recalculation of the document layout in the browser.
Q5 - JSX is a JavaScript syntactic extension that enables developers to define HTML-like content within JavaScript files, making it more intuitive and convenient to work with user interface elements.
Q6 - Single-page applications (SPAs) differ from traditional websites in that they offer a more modern and robust experience, with rich client-side functionality that doesn't require reloading the entire page for each user action.
Q7 - Developers may choose to build SPAs using React due to its component-based structure, which enables them to work on individual pieces independently without impacting other parts of the code base, leading to efficient development.
Q8 - The impact of changes on an application's data or user interface depends on the nature of the changes, their purpose, and the specific design of the application for each user.
Q9 - React manages dynamic data by utilizing the setState() function to update the state property of a component, ensuring that changes in data trigger re-renders of the affected components.
Team:
Hisham Al-Eesa
Lina abumahfood
Mohamad Alchehabi
Mohamad Sheikh Alshabab
1- It is declarative. When changes in data happen React is aware of how to update the changes.
2- React is Declarative approach, Virtual DOM, component.
3- Faster Development,easier maintainence, Better Reusability.
4- Virtual DOM: lightweight copy of the Real DOM and only update the changed component,Real DOM is much slower than the Virtual DOM because it's update the whole DOM.
5- allows you to construct HTML-like content within a JavaScript file.
6- SPA: client-facing functionality without reloading the page each time,load faster than traditional one.
7- React provides developers with the tools they need to develop fast and efficient SPAs quickly.
8- to various factors, including evolving user needs, technology advancements, business requirements, and design trends.
9-several methods for displaying dynamic data, one of them is setState() method.
Q.1 solve various problems in building user interfaces.
Q.2 Virtual DOM , Component-based architecture , Unidirectional data flow , JSX syntax .
Q.3 * it helps in creating modular and reusable code
* components allow developers to break down the application into smaller, self-contained units of functionality
- Code Reusability , Modularity , Efficient Development ,Consistency , Testing and Debugging ,Scalability .
Q.4 The primary difference between the Virtual DOM and the actual DOM is that while the actual DOM can directly manipulate the HTML elements on the page, the Virtual DOM is a JavaScript object that represents those elements
Using a Virtual DOM has several benefits: Performance , Reconciliation, Abstraction , Testability.
Q.5 JSX is a syntax extension for JavaScript that allows you to write HTML-like markup directly ,JSX makes it easier to write and understand the structure of UI components in JavaScript.
Q6- Single-page applications are more modern and robust than traditional apps.
Q.7 because React is a popular JavaScript library that allows for efficient and flexible development of user interfaces , React also has a large and active community, which means there is a wealth of resources and support available for developers. Overall, React can provide a powerful and efficient framework for building SPAs.
Q.8 Data structure changes , User interface updates ,Compatibility with new platforms or technologies , Performance optimizations.
Q9- there is two ways to handle data, one is props and the other is state.
Team Names:
Mohammad Smadi
Ahmad Juma
Noor Alrai
Omar MAsoud
Abdullah Alawad
Q1:
React aims to simplify the development of user interfaces, improve performance,
and enhance the maintainability and reusability of code by:
Complex UIs: By breaking them into reusable components.
Efficient Updates: Using a Virtual DOM for smarter DOM changes.
Unidirectional Data Flow: Minimizing data-related bugs.
Component-based Architecture: For modularity.
Declarative Syntax: Describing UI state.
Server-side Rendering: For performance and SEO(Search Engine Optimazation)
Performance Optimization: Through Virtual DOM and tools.
Community and Tools: Strong support and tooling.
Q2:
-Compared to other frontend frameworks, the React code is easier to maintain and is flexible due to its modular structure.
This flexibility,in turn,
saves a huge amount of time and cost to businesses.
-React JS was designed to provide high performance in mind.
The core of the framework offers a virtual DOM program and server-side rendering,
which makes complex apps run extremely fast.
-Deploying React is fairly easy to accomplish if you have some basic knowledge of JavaScript.
-One of the main benefits of using React JS is its potential to reuse components.
-It’s easy to learn
React, compared to other popular frontend frameworks like Angular & Vue, is much easier to learn.
-Performance speaking, React JS is generally considered to be faster due to its use of the Virtual DOM
than other frameworks like Angular.
Q3:
1. faster development: By creating components from reusable libraries it will be accessible at all times, teams do not need to start from scratch with their software.
And They can directly select from this library without worrying about non-functional requirements such as security, usability, or performance
2.easier Maintenance: When you need to fix a bug or add a new feature, you can focus on a single component without worrying about the entire application.
3. Scalability: You can add new components or modify existing ones without affecting the entire application. This is especially important for large and complex applications.
4.Reusability:When dealing with a component-based framework, developers do not have to register the same lines of code repeatedly and can instead focus on core functionality.
5.User Experience: you can ensure a better user experience. Components can be optimized for specific tasks, resulting in more efficient and user-friendly applications.
6. Testing and Debugging: Isolating components makes it easier to test and debug specific functionality. You can test each component independently, which simplifies the identification and resolution of issues.
Q4:
-The Virtual DOM is a lightweight copy of the Real DOM,
which allows for faster updates and improved performance
-the Real DOM is much slower than the Virtual DOM,
as every update requires the browser to recalculate the entire document layout.
- the Real DOM is a tree structure, and every node has an attached event listener,
This process can be slow and resource-intensive.
the Virtual DOM updates are more efficient,
as event listeners are only attached to the root node and not every individual node
-the Virtual DOM is highly flexible and can be used with any programming language that can run JavaScript.
In contrast, the Real DOM is tightly coupled with the browser and can only be manipulated using JavaScript.
Q5:
JSX (JavaScript XML) is a syntax extension used in React and other libraries
to combine JavaScript and HTML-like markup.
It allows you to write user interfaces using a syntax
that resembles HTML but is processed as JavaScript code.
Q6:
Traditional websites have multiple pages and reload entirely when you click a link.
SPAs load a single page and update content dynamically,
providing a smoother user experience we use them when:
Use traditional web applications when:
Your application's client-side requirements are simple or even read-only.
Your application needs to function in browsers without JavaScript support.
Your application is public-facing and benefits from search engine discovery and referrals.
Use a SPA (Single Page Application) when:
Your application must expose a rich user interface with many features.
Your team is familiar with JavaScript
Your application must already expose an API for other (internal or public) clients.
Q7:
Developers often choose to build a Single Page Application (SPA) using React for various reasons.
React is a popular JavaScript library for building user interfaces,
and it has specific characteristics that make it a great choice for SPAs.
Here are some reasons why developers might choose React for SP
1-Component-Based Architecture: React encourages a component-based architecture,
where the UI is broken down into small, reusable components.
This modularity makes it easier to manage and maintain complex SPAs,
as you can work on individual components independently.
2-Virtual DOM: React uses a Virtual DOM to optimize updates to the actual DOM.
This results in faster rendering and improved performance,
which is crucial for SPAs, where UI updates are frequent.
3-Large Ecosystem: React has a large and active ecosystem,
with a wide range of third-party libraries and tools that
can be used to enhance the development process and add features to SPAs.
Q8:
Internally, React uses several clever techniques to minimize the number of costly DOM operations required to update the UI.
For many applications, using React will lead to a fast user interface without doing much work to specifically optimize for performance.
Q9:
React manages dynamic data through components with state and props,
reactivity, a Virtual DOM for efficient updates,
and lifecycle methods for data handling and rendering.
Room NO. 6 _reem bino
_ basil daboor
- osama daoud
- malak jabr
1-create a copy of the DOM, called a Virtual DOM,For example, say you’re on Facebook and you comment on someone’s post. Without the virtual DOM, the whole page would reload so you can see your comment appear on the screen.
2-React uses a declarative approach to building UI, which means you describe what you want your UI to look like, and React takes care of the rest
3-Modularity and Reusability:
Code Organization:
Separation of Concerns:
Testability:
Scalability:
Maintenance:
Developer Collaboration:
Consistent User Interface:
4-
In summary, the main difference between the DOM and the virtual DOM is that the DOM is the actual representation of a web page's structure and content, while the virtual DOM is an abstract, lightweight copy of the real DOM that can be used to optimize and speed up web development and rendering.+
Virtual Dom provide more efficient and optimized way to updating the UI by minimizing actual DOM
5-the term JavaScript XML (JSX) refers to a syntactic enhancement for JavaScript that is based on ES6, the most recent "version" of JavaScript. By transforming HTML into React components, JSX in React enables you to write HTML in it, making the code simpler for you to build user interfaces for your online apps
6-Single-page applications are more modern and robust than traditional apps. SPAs support rich, client-facing functionality without reloading the page each time a user performs an action. They also load faster than their traditional counterparts by fetching data using APIs
7-React provides developers with the tools they need to develop fast and efficient SPAs quickly. By utilizing the component-based structure of React, developers can easily break down their application into individual pieces that can be worked on independently without affecting other parts of the code base.
9-In summary, React's approach to managing dynamic data provides a flexible and efficient way to build applications that can adapt to changes over time, handle real-time updates, and provide a responsive user experience.
Team: Hayder, ghassan, Ahmad shalash, abedalrham rizk
- React tries to basically make a developer's life easier, by making long and complex processes more manageable for the developer. It helps with complex UIs, efficiency, compatibility with other libraries, and other such problems.
- React's main advantage over other libraries is usually that it is easier to learn and understand and work with, and gives better performance due to it's use of virtual DOMs. Another benefit is it's scalability over other libraries, so it is more suited for larger applications.
- The advantages to using components to build an application are many. Because it allows you to reuse components, which saves time on development. Also fixing certain issues will be easier when you're deal with 1 component rather have to look at the entire project to find the problem, and many more advantages.
- Very basically the virtual DOM which React uses is a lighter version of the actual DOM, which allows updates faster, and gives better performance, than having to change the entire DOM every time.
- JSX allows you to write HTML-like markup into Javascript, like <.div>, <.p> and such mark-ups. This can help by creating virtual DOMs of the HTML code to be modified, rather than rewriting the entirety of the HTML code.
- Basically traditional websites use separate pages given by the server, while SPAs load a single page and allows JS to dynamically change the content as appropriate.
- In essence, React makes it easier for developers to make SPAs quicker and more efficiently.
- New features may require storing new or different types of data in the backend, requiring model changes. Also as the app scales, optimizations like added indexes, caching, or partitioning may be needed to maintain performance. And new visualizations or charts may need to be added to the UI to represent data in new ways
- React manages dynamic data efficiently through its component-based architecture, allowing developers to isolate UI elements into reusable components. It handles dynamic data by using component state, props, conditional rendering, and event handling. React also employs a Virtual DOM to optimize performance by updating only the parts of the actual DOM that have changed. For more complex applications, React offers solutions like the Context API and Redux to manage application-wide state and data sharing. By using React, developers can create dynamic and responsive user interfaces with ease.
Team members: Hassan, Ammar kolko, feda baqin, nour kayyali, yasin aji.
1- -allows developer to build complex user interface in which components change overtime (so we won't have to write hard coded js code).
-building interactive user interfaces and web applications quickly and efficiently with significantly less code than you would with vanilla JavaScript
2- -React uses a declarative approach to building UI, which means you describe what you want your UI to look like, and React takes care of the rest
-React separates the user interface into numerous components, making debugging more accessible, and each component has its own set of properties and functions
-React uses a virtual DOM it reduces the number of DOM manipulation operations that need to be performed.
-flexible library. It can be used to build a variety of different types of web applications.
3- Reusable Components
One of the main benefits of using React JS is its potential to reuse components. It saves time for developers as they don't have to write various codes for the same features. Furthermore, if any changes are made in any particular part, it will not affect other parts of the application.
-Easier Maintenance
-Improved Scalability.
4- -The virtual DOM is a lightweight representation of the actual DOM
-In summary, the main difference between the DOM and the virtual DOM is that the DOM is the actual representation of a web page's structure and content, while the virtual DOM is an abstract, lightweight copy of the real DOM that can be used to optimize and speed up web development and rendering.
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5- -JSX is a syntactic enhancement for javascript ,combines JavaScript and HTML-like markup by allowing you to write HTML-like code inside of JavaScript files
-JSX in React enables you to write HTML in it, making the code simpler for you to build user interfaces for your online apps.
-example: const element =
Writing markup with JSX.
;----
6- Single-page applications are more modern and robust than traditional apps. SPAs support rich, client-facing functionality without reloading the page each time a user performs an action. They also load faster than their traditional counterparts by fetching data using APIs.
-The browser loads a single HTML page and then dynamically updates that page as the user interacts with the application.
-It is recommended to use SPA in websites rich with user interface elements, as it offers a faster page reload.
7- react is component based which helps with reusability, performance, and maintenance.
-Backed by an active community of developers.
-Rich user interface development.
-The application built using react is highly testable, facilitating faster development and delivery of apps. It is one of the top reasons why it is preferred by enterprises looking to release their web app faster to the market while ensuring better quality.
8- in React case the changes can be predicted because React uses components approach.
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9-Real-Time Updates:
If your application includes real-time features, such as chat or live notifications, changes pushed from the server will affect the user interface. WebSockets or server-sent events can be used to handle real-time updates in React.
Room number: 12
written by:
Raneem, Sanad, Farah, Amany
Q1:
React make dynamic application easier to write, and build a user interface that relies on changing data.
Q2:
Instead of costly direct DOM updates, React uses a virtual DOM to efficiently render changes, Server-side rendering: Boosts performance and SEO (search engine optimization)
Q3:
Using components in apps is like using building blocks; it's easier to assemble, and change, and everyone can work together smoothly.
Q4:
Real DOM is what you see on your browser screen and virtual DOM is a copy of it, but it's lighter and faster.
React can make web pages feel quicker and more responsive because updating the real DOM directly often takes more time.
Q5:
JavaScript XML: is a JavaScript syntactic extension that allows you to construct HTML-like content within a JavaScript file.
const element = ;
Q6:
SPAs support rich, client-facing functionality without reloading the page each time a user performs an action. They also load faster than their traditional counterparts by fetching data using APIs.
Q7:
Because of using React's fast virtual DOM and component-based design, developers can easily build sophisticated and responsive web apps.
Q8:
Over time, an application's data and user interface can change due to user interactions, software updates, external data shifts, and feedback. Essentially, as technology, user needs, and external factors evolve, applications must adapt, leading to changes in how they look and function.
Q9:
React uses a virtual DOM to efficiently update the UI when data changes, enabling dynamic content rendering with minimal refreshes.
1- React is a popular JavaScript library for building user interfaces, and it aims to solve several problems related to building complex and interactive web applications. Some of the problems that React addresses include Complex UIs, Virtual DOM, and State Management.
2- i- Declarative approach: This can make it easier to understand and reason about your code, as you don’t have to worry about the underlying implementation details. ii- Virtual DOM: This can make React apps faster, reducing the number of DOM manipulation operations needed.
3- Reuseable: you can use the same component in multiple application parts or even across different projects.
Modularity: A complex user interface can be divided into smaller components making it easier to understand and maintain.
4- Actual DOM: Direct Manipulation: When you change any part of the actual DOM, the browser has to re-render the entire page, which can be slow and resource-intensive.
Virtual DOM: Indirect Representation: When changes are made in a React application, they are first applied to the Virtual DOM, not the actual DOM.
9-React manages dynamic data using a virtual DOM. When data changes, React calculates the minimum necessary updates and re-renders only the parts of the user interface that need to change.
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Team members: Muna AL Haj Eid , Jafar Bino , Jana AbHaltam , Mohammad Elamaireh.
On the other hand, a Single Page Application (SPA) is a web application that loads a single HTML page and dynamically updates the content as the user interacts with it. This means that the server sends only the data required for updating the page, and the client does not have to reload the entire page.