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Ajax

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Ajax
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Hire Freelance Ajax Developers and Engineers

Kostyantyn, Ajax Developer

$25/hr

- 7 years of commercial experience with JavaScript, ECMAScript 6. - 5 years with Vue.js framework (including Vue 3 core principles, Style Guide, Composition API, official documentation of the framework) - Deep understanding of HTML5 and CSS3. - Interacting with API endpoints and other web services. - Converting UI/UX mockups into functional web applications with pixel perfection - Experience with responsive layout, web sites, mini applications in JS and SPA in Vue.js. - Familiar with SOLID, DRY and other clean code design principles. - Experience with UI components like UI Kit & Bootstrap - Unit tests (Cypress) - Projects with Wordpress - Intermediary English

Ajax

Ajax

JavaScript

JavaScript   7 yr.

Vue.js

Vue.js   5 yr.

WordPress

WordPress   7 yr.

Sunny C., Ajax Developer

Experienced engineer with 11 years of experience in the following areas: - Adobe AEM Lead Developer (AEM 5.6 Lead Developer Certified) - Java, JavaScript (React), Vanilla JS - AEM Component creation (UI as well as server-side), including both reusable and page components with best in standard coding practices - AEM DAM (Digital Asset Management) - Servlet, Job Scheduler, Search Functionality, Email API, Sightly - Workflow implementation - MSM-Creation of multilingual sites using live copy - Selective Dispatcher cache invalidation - Unit testing frameworks, such as JUnit and Mockito. - Source control management tools, such as Apache Subversion, Git - Well-versed with a technical understanding of Extjs, Apache sling, and OSGi, needed for the development of an AEM project, starting from scratch. - Involved in Design, Coding, Testing, Code review, and performance tuning of code and queries.

Ajax

Ajax

AEM (Adobe Experience Manager)

AEM (Adobe Experience Manager)

Java

Java

React

React

Vadym M, Ajax Developer

- 5+ years of experience as a Front-end JavaScript Developer. - 5+ years of experience in React.js; - Deep experience in Next.js technology; - Experience with WebRTC, Soket.io; - Good knowledge of Tailwind CSS, Bootstrap, and Chakra UI; - Experience working with Redux, and Docker; - Familiar with Node.js; - Strong abilities working with Web3; - Proficiency in testing frameworks like Jest and Cypress; - E-commerce, web, and mobile applications, including learning platforms, chatbots, dApps, and cryptocurrency wallet extensions.

Ajax

Ajax

JavaScript

JavaScript   5 yr.

Web3.js

Web3.js

React

React

WebRTC

WebRTC

Aleksander P., Ajax Developer

$35/hr

• 10+ years of experience as Full Stack Engineer • PHP (Symfony/Laravel/Yii 2), Node.js, Python • React.js, Redux, Redux-Saga, jQuery, Ajax, ExtJS • Intermediate English • Available Full-time • Ready to start in one week.

Ajax

Ajax

PHP

PHP   10 yr.

Symfony

Symfony

Node.js

Node.js

JavaScript

JavaScript

ROR, Ajax Developer

Software engineer with 6 years of application development expertise in PHP 5.x and RoR frameworks, fortified by a robust foundation with an MCA in Computer Applications and a B.Sc in Computer Science. Demonstrates proficiency in a diverse stack including PHP, Ruby, MySQL, POSTGRES, JavaScript, Ajax, CSS, and mastery of frameworks such as Codeigniter, CakePHP, and Rails, as well as CMS like Drupal. Exhibits strong analytical and project management skills complemented by a history of driving full SDLC for a variety of projects like Photobin, YFE, iSafeTalk, and iQGlobal. Leverages version control systems such as SVN and GIT, development tools like Dreamweaver, and proficiency in Linux and Apache to deliver robust applications. Excels in collaborative environments, showing seasoned leadership in guiding technical team members and a track record of technical problem-solving and innovation.

Ajax

Ajax

PHP

PHP   6 yr.

Ruby

Ruby   6 yr.

JavaScript

JavaScript   6 yr.

MySQL

MySQL   6 yr.

PostgreSQL

PostgreSQL   6 yr.

Adam W., Ajax Developer

- 15 years of commercial experience with Typo3 - Proficient in TYPO3, TypoScript, Fluid/Flux, PHP, Foundation/Bootstrap, MySQL, GIT, jQuery/AJAX, Docker, XAMPP, Memcached/Redis, Xdebug, PhpStorm, REST, and design patterns. - Skilled in Apache/Nginx, shell/Bash scripting, LAN & VPN configuration, and continuous integration. - Certified TYPO3 Integrator with several years of experience in web development and TYPO3 work. - Extensive work experience with various companies, including Q3i, Dobre Badanie/Wondernet, KBSystems, masz.to, Hint Intermedia - Strong portfolio of websites worked on, including frontend integration, backend development, system updates, functionality enhancements, and maintenance. - Upper-Intermediate English

Ajax

Ajax

TYPO3

TYPO3   15 yr.

Alexander M., Ajax Developer

- Experienced PHP developer with over 12 years of total work experience - Strong expertise in designing and developing new features, improving architecture, and enhancing performance - Proficient in OOP designing and development, CMS development using MVC, and creating interactive web interfaces with AJAX, JavaScript, and JQuery - Skilled in working with markup languages such as HTML, CSS, XML, and JSON - Familiar with various web and scripting technologies, including PHP (SMARTY, Yii, Zend, Symfony2, FuelPHP), Unix Shell, and client-side scripting with JavaScript and jQuery - Knowledgeable in client/server architecture, distributed systems, object-oriented design, networking, multitasking, and database programming - Experienced in project management using SCRUM and Agile methodologies, and proficient in version control systems like SVN and Git - Intermediate English

Ajax

Ajax

PHP

PHP   12 yr.

Alexandr K., Ajax Developer

- Full-stack development with 6 years of extensive experience in back-end and front-end development across various industries, including healthcare, education, consumer goods, and hospitality. - Strong expertise in server-side programming with PHP, including advanced knowledge of PHP 7.x and 8.x. - Extensive experience creating responsive and user-friendly interfaces using HTML5, CSS, and JavaScript. - Skilled in modern JavaScript frameworks and libraries, including JQuery and Ajax for dynamic web applications. - Experienced in utilizing WordPress for content management and website development.

Ajax

Ajax

PHP

PHP   6 yr.

JavaScript

JavaScript   6 yr.

Rishi K., Ajax Developer

- A budding IT professional who has successfully completed Masters's in Computer Application from BITS, Mesra. Possess in-depth experience of 13 years in Software Development and project execution. - Knowledge and understanding of technologies like JAVA/ J2EE, JDBC, SERVLETS, JSP, AJAX, JAVASCRIPT, STRUTS, Microservices, HIBERNATE, SPRING, SPRINGBOOT, SPRING MVC, GOLANG, RESTFUL WEBSERVICES, JMS, PCF, AWS, Jenkins. - Acquired hands-on experience of CRUD development, Bug Fixing, Analysing the Issues, talking with onsite for the development of new modules through various academic projects. - Endowed with a passion for winning as evinced through demonstrated excellence in the academic & extracurricular areas. - Abilities to handle multiple priorities, with a bias for action and a genuine interest in personal and professional development. - Team player with strong analytical and leadership skills.

Ajax

Ajax

Java

Java

Oleksandr K., Ajax Developer

- IT experience starting in 2011; senior software developer since 2015. - Experience with the full lifecycle of designing, developing, installing, configuring, and maintaining applications on SharePoint 2007/2010/2013/2016/2019, 2019 Online, Office 365 - Web Services, CSOM, JSOM, JSLink, REST API, AJAX - Strong knowledge of C#, ASP.NET, HTML, CSS, JavaScript - Experience with jQuery, DataTables, Google Charts/Maps, Bootstrap, AngularJS - Extensive experience with MS Visual Studio 2008-2019, Hyper-V, TFS - Intermediate English - Available ASAP

Ajax

Ajax

Microsoft SharePoint

Microsoft SharePoint   10 yr.

Oleksandr B., Ajax Developer

$38/hr

- 7 years of professional experience using front-end and back-end technologies - Front-end: deep knowledge of native JavaScript (basics, OOP, DOM, events, asynchrony, AJAX, event loop), ES6+, jQuery and other libraries (Moment.js, etc.), Typescript, React, React Native, Redux, other React-tools (React-router, Redux-Saga, Reselect, etc.), HTML5, CSS3, LESS, SASS, Bootstrap - Back-end: Node.js, Nest.js, Express.js, Passport.js, RESTful API, socket.io - Modular, scalable, and reusable code, tests, project deployment - Upper-Intermediate English - Available from 01.06.2022

Ajax

Ajax

React

React

Node.js

Node.js

B A, Ajax Developer

Microsoft Certified D365 CRM Techno-Functional Consultant Strong knowledge of the System Development Life Cycle (SDLC) model Proficient in developing web-based applications using C#.Net, Asp.Net, Web services, and MS-SQL Server Experience in project management using Jira Strong interpersonal and communication skills, with the ability to lead a team Proficient in Dynamics 365 CRM, ASP.NET, WPF, Silverlight, C#, MVC, .NET Core, HTML/XHTML, Ajax, jQuery, Angular JS, JavaScript, CSS, Power BI, RDLC, Telerik Reporting, XAML, Microsoft Expression Blend, Web API, WCF, REST, Web Services, SQL Server, LINQ, Entity Framework, SQL LITE, Data migration, Hybrid Mobile App using Telerik App builder, UML, Coding Standards, NopCommerce, DocuSign, and Scrum methodologies.

Ajax

Ajax

MS Dynamics 365

MS Dynamics 365

MS Dynamics CRM

MS Dynamics CRM

Only 3 Steps to Hire Ajax Web Developers

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Upstaff.com was launched in 2019, addressing software service companies, startups and ISVs, increasingly varying and evolving needs for qualified software engineers

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FAQs on Ajax Development and Web Development Techniques

What is an Ajax Developer and How They Differ from Full Stack Web Developers? Arrow

An Ajax developer is a specialist in the Ajax framework/language, focusing on developing applications or systems that require expertise in Ajax programming. When you hire Ajax developers, you ensure that your project leverages the best practices for creating dynamic, responsive web applications.

Why You Should Hire an Ajax Developer Through Upstaff.com for Asynchronous Web Applications? Arrow

Hiring through Upstaff.com gives you access to a curated pool of pre-screened Ajax developers, ensuring you find the right talent quickly and efficiently for applications that need to transfer data seamlessly. When you hire Ajax developers, you gain experts who specialize in creating fast, interactive web experiences.

 

How Do I Know if an Ajax Developer is Right for My Project Using JavaScript Object Notation? Arrow

If your project involves developing applications or systems that rely heavily on Ajax, then hiring Ajax developers with the right expertise would be essential. These developers can ensure seamless data transfers and enhance user experience through efficient web interactions.

How Does the Hiring Process Work on Upstaff.com for Building Interactive Web Applications? Arrow

Post Your Job: Provide details about your project, including any requirements for client-side code.
Review Candidates: Access profiles of qualified Ajax Developers.
Interview: Evaluate candidates through interviews.
Hire: Choose the best fit for your project.

What is the Cost of Hiring the Right Ajax Developer? Arrow

The cost depends on factors like experience and project scope, but Upstaff.com offers competitive rates and flexible pricing options, making it easier for you to hire Ajax developers for scalable solutions tailored to your needs.

Can I Hire the Best Ajax Developers on a Part-Time or Project-Based Basis? Arrow

Yes, Upstaff.com allows you to hire Ajax developers on both a part-time and project-based basis, depending on your needs, especially for projects involving efficient data transfer and seamless user experiences.

What are the Qualifications of Ajax Developers on Upstaff.com for Backend Development? Arrow

All developers undergo a strict vetting process to ensure they meet our high standards of expertise and professionalism, particularly in developing desktop applications. When you hire Ajax developers through Upstaff, you can be confident that they possess the necessary skills to handle complex data transfer tasks and create seamless user experiences.

How Do I Manage an Ajax Developer Once Hired to Transfer Data Efficiently? Arrow

Upstaff.com offers tools and resources to help you manage your developer effectively, including communication platforms and project tracking tools, especially for projects involving REST APIs. When you hire Ajax developers through Upstaff, they can integrate Ajax with your REST APIs to create efficient, responsive web applications with smooth data interactions.

What Support Does Upstaff.com Offer During the Hiring Process with a Proven Track Record? Arrow

Upstaff.com provides ongoing support, including help with onboarding and expert advice to ensure you make the right hire Ajax developers for your projects. Our team ensures that the developers you hire have the necessary skills to create seamless, interactive web applications, meeting your clients’ specific needs.

Can I Replace an Ajax Developer if They Are Not Meeting Expectations in Developing Websites? Arrow

Yes, Upstaff.com allows you to replace a developer if they are not meeting your expectations, ensuring you get the right fit for your project when you hire Ajax developers. With flexible hours and the ability to scale your team as needed, you can ensure that your project is completed on time and to your satisfaction.

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Table of Contents

TOP 10 Ajax Related Technologies

Related Technologies
  • JavaScript

    JavaScript is the fundamental language for Ajax development. It is a versatile and widely used scripting language that runs in web browsers. With its event-driven and asynchronous nature, JavaScript enables developers to create dynamic and interactive web applications, helping to save time in the development process.

  • XMLHttpRequest

    XMLHttpRequest, often abbreviated as XHR, is an API used to send HTTP requests from a web page to a server and retrieve data. It is a core component of Ajax development, allowing developers to update specific parts of a web page without reloading the entire page.

  • jQuery

    jQuery is a popular JavaScript library that simplifies HTML document traversal, event handling, and animation. It provides a concise syntax and a wide range of built-in functions, making it easier to write Ajax code. jQuery also offers cross-browser compatibility, enhancing the development process.

  • JSON

    JSON (JavaScript Object Notation) is a lightweight data interchange format. It is commonly used in Ajax development to transmit data between the web browser and the server. JSON provides a simple and human-readable format for data representation, making it easy to parse and manipulate in JavaScript.

  • React

    React is a JavaScript library for building user interfaces. It is widely used in Ajax development due to its component-based architecture and efficient rendering. React simplifies the process of creating interactive and dynamic web applications by efficiently updating only the necessary components when data changes.

  • Angular

    Angular is a TypeScript-based framework for building web applications. It provides a robust set of tools and features for Ajax development, including two-way data binding, dependency injection, and modular architecture. Angular enables developers to create scalable and maintainable Ajax applications.

  • Vue.js

    Vue.js is a progressive JavaScript framework for building user interfaces. It offers a lightweight and easy-to-learn approach to Ajax development. Vue.js provides a flexible and scalable architecture, making it suitable for both small and large-scale projects.

 

How and where is Ajax used?

How and where
Case NameCase Description
Real-Time Form ValidationAjax can be used to perform real-time form validation, where the user is provided with immediate feedback while filling out a form. For example, as the user types in their email address, Ajax can validate its format and availability without requiring a page refresh. This enhances the user experience by reducing the time required to correct form errors.
Autosave FunctionalityAjax enables the implementation of autosave functionality in web applications. This feature automatically saves user data in the background, eliminating the need for manual saving or losing unsaved work due to unexpected events like power outages or browser crashes. By periodically sending data to the server without interrupting the user’s workflow, Ajax ensures a seamless and uninterrupted user experience.
Live Search and AutocompleteWith Ajax, web applications can provide live search and autocomplete functionality, where search suggestions or results are displayed in real-time as the user types. This improves the efficiency of searching and helps users find the desired information quickly. For example, as the user types a keyword in a search box, Ajax can dynamically fetch and display matching results without reloading the entire page.
Dynamic Content LoadingAjax enables dynamic content loading, allowing web applications to fetch and display new content without refreshing the entire page. This feature is particularly useful for websites with infinite scrolling, where additional content is loaded as the user scrolls down. By retrieving data from the server in the background, Ajax enhances the performance and responsiveness of the application.
Interactive Maps and GeolocationAjax can be utilized to create interactive maps and geolocation features in web applications. For example, when a user interacts with a map, Ajax can send requests to the server to retrieve relevant information such as nearby points of interest or real-time traffic updates. This enables the development of location-based applications that provide users with customized and up-to-date information.
Chat ApplicationsAjax is widely used in the development of chat applications, where real-time communication between users is essential. By utilizing Ajax techniques, chat applications can update messages and notifications instantly without requiring page reloads. This allows users to have seamless conversations and enhances the overall user experience in online communication.

 

Soft skills of a Ajax Developer

Soft skills

Soft skills are essential for Ajax Developers as they contribute to their overall effectiveness and success in their role. Here are the key soft skills required for Ajax Developers at different levels:

Junior

  • Communication: Ability to effectively communicate ideas and technical information to team members and stakeholders.
  • Collaboration: Willingness to work collaboratively with others on projects and contribute to a positive team environment.
  • Problem-solving: Aptitude for identifying and resolving issues that arise during the development process.
  • Adaptability: Ability to quickly adapt to changing project requirements and technologies.
  • Time management: Skill in managing time and prioritizing tasks to meet project deadlines.

Middle

  • Leadership: Ability to take on leadership roles within a development team and guide junior developers.
  • Critical thinking: Capacity to analyze complex problems and develop innovative solutions.
  • Mentoring: Willingness to mentor junior developers and share knowledge and expertise.
  • Attention to detail: Strong focus on accuracy and precision in coding and development.
  • Conflict resolution: Skill in resolving conflicts and promoting effective communication within the team.
  • Client management: Ability to effectively communicate and manage client expectations.
  • Time management: Skill in managing time and resources to optimize productivity.

Senior

  • Strategic thinking: Capability to align development activities with broader business goals and objectives.
  • Project management: Skill in planning, organizing, and executing complex development projects.
  • Decision-making: Ability to make informed decisions based on analysis and evaluation of available options.
  • Innovation: Capacity to introduce new ideas and technologies to improve development processes.
  • Team management: Skill in managing and motivating a team of developers to achieve project success.
  • Client relationship management: Ability to build and maintain strong relationships with clients.
  • Conflict resolution: Skill in managing conflicts and fostering a positive team environment.
  • Continuous learning: Willingness to stay updated with the latest trends and technologies in Ajax development.

Expert/Team Lead

  • Strategic leadership: Ability to provide strategic direction and guidance to the development team.
  • Technical expertise: Extensive knowledge and expertise in Ajax development and related technologies.
  • Influencing skills: Ability to influence and inspire team members to achieve high-performance results.
  • Decision-making: Skill in making critical decisions that impact project outcomes and business success.
  • Risk management: Capability to identify and mitigate risks associated with development projects.
  • Client management: Skill in managing client relationships and ensuring client satisfaction.
  • Business acumen: Understanding of the broader business context and ability to align development activities accordingly.
  • Change management: Skill in managing and implementing changes in development processes and technologies.
  • Strategic planning: Ability to develop and execute long-term development strategies aligned with business goals.
  • Team development: Capability to mentor and develop team members to enhance their skills and capabilities.
  • Continuous improvement: Commitment to continuously improving development processes and practices.

 

Pros & cons of Ajax

Pros & cons

9 Pros of Ajax

  • Increased interactivity: Ajax allows for seamless interaction with web applications by updating specific parts of a webpage without refreshing the entire page.
  • Enhanced user experience: With Ajax, users can experience faster response times and smoother transitions, leading to a more enjoyable browsing experience.
  • Reduced bandwidth usage: Ajax minimizes data transfer by only requesting and updating the necessary information, resulting in lower bandwidth consumption.
  • Improved performance: By retrieving and updating data asynchronously, Ajax reduces server load and improves overall performance.
  • Real-time updates: Ajax enables real-time updates, making it ideal for applications that require live data, such as chat apps or stock market trackers.
  • Platform independence: Ajax is compatible with multiple platforms and browsers, allowing developers to create cross-platform web applications.
  • Seamless form validation: Ajax enables developers to validate form inputs without reloading the page, providing instant feedback to users.
  • Enhanced accessibility: Ajax can improve accessibility by allowing users to interact with web applications using assistive technologies.
  • Third-party integration: Ajax facilitates integration with external APIs, enabling developers to leverage existing services and functionality in their applications.

9 Cons of Ajax

  • Search engine visibility: Since Ajax content is often loaded dynamically, it may not be indexed by search engines, potentially impacting search engine optimization (SEO).
  • Increased complexity: Developing Ajax applications can be more complex than traditional web development due to its asynchronous nature and the need for careful handling of data updates.
  • Browser compatibility: Although Ajax is widely supported, there may be some inconsistencies in how different browsers interpret and handle Ajax requests.
  • Security vulnerabilities: Improper implementation of Ajax can introduce security risks, such as cross-site scripting (XSS) or cross-site request forgery (CSRF) attacks.
  • No direct support for bookmarks: As Ajax dynamically updates content, it can make bookmarking specific states of a webpage challenging or impossible.
  • Performance degradation with large datasets: When dealing with large amounts of data, Ajax may experience performance issues due to increased server load and data transfer.
  • Dependency on JavaScript: Ajax heavily relies on JavaScript, so if a user has JavaScript disabled in their browser, the application may not function properly.
  • Debugging complexities: Debugging Ajax applications can be more challenging compared to traditional web applications due to its asynchronous nature and complex data flow.
  • Learning curve: Developers new to Ajax may need to invest time in learning the concepts and best practices associated with Ajax development.

 

Cases when Ajax does not work

Does not work
  1. The client’s web browser does not support JavaScript: Ajax relies heavily on JavaScript to send and receive data asynchronously. If the client’s browser does not have JavaScript enabled or does not support it altogether, Ajax functionality will not work.
  2. Network connectivity issues: Ajax relies on stable network connectivity to send and receive data from the server. If there are network issues such as a weak or intermittent internet connection, Ajax requests may fail or time out.
  3. Server-side restrictions: Some servers are configured to disallow Ajax requests due to security reasons. This can be achieved through various means such as Cross-Origin Resource Sharing (CORS) restrictions or server-side configurations that prevent Ajax requests from being processed.
  4. Incorrect URL or endpoint: If the Ajax request is not properly configured with the correct URL or endpoint, it will not be able to reach the server and retrieve the desired data. This could be due to typos, incorrect routing, or missing or mismatched parameters.
  5. Browser security restrictions: Browsers often impose security restrictions to prevent cross-site scripting (XSS) attacks. These restrictions may prevent Ajax requests from accessing data from external domains or making certain types of requests, such as cross-domain requests.
  6. Same-origin policy: The same-origin policy is a security feature implemented by web browsers that restricts Ajax requests to the same domain from which the web page was loaded. If an Ajax request is made to a different domain, it will be blocked by the browser unless proper CORS headers are set on the server-side.
  7. Firewall or proxy restrictions: In some cases, network firewalls or proxy servers may be configured to block certain types of requests, including Ajax requests. This can prevent the Ajax functionality from working properly, especially in corporate or restricted network environments.

 

What are top Ajax instruments and tools?

Instruments and tools
  • jQuery: jQuery is a fast, small, and feature-rich JavaScript library. It was released in 2006 and has since become one of the most widely used JavaScript libraries. jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development. It provides an easy-to-use API that allows developers to write less code while achieving more functionality.
  • React: React is a JavaScript library for building user interfaces. It was developed by Facebook and released in 2013. React allows developers to build reusable UI components that can efficiently update and render just the necessary parts of the user interface when the underlying data changes. It has gained popularity for its performance optimizations and component-based architecture.
  • AngularJS: AngularJS is a structural framework for dynamic web apps. It was developed by Google and released in 2010. AngularJS extends HTML with additional attributes and provides a two-way data binding mechanism, making it easier to build rich and interactive web applications. It has been widely used for building single-page applications and complex UIs.
  • Vue.js: Vue.js is a progressive JavaScript framework for building user interfaces. It was created by Evan You and released in 2014. Vue.js emphasizes the component-based architecture and provides a simple and flexible API for building interactive web interfaces. It has gained popularity for its ease of integration, scalability, and performance.
  • Ember.js: Ember.js is a JavaScript framework for creating ambitious web applications. It was released in 2011 and has been used by companies like LinkedIn, Netflix, and Apple. Ember.js follows the convention over configuration principle and provides a set of tools and conventions to help developers build complex web applications with ease.
  • Backbone.js: Backbone.js is a lightweight JavaScript library for building scalable and maintainable web applications. It was released in 2010 and has been widely adopted by developers. Backbone.js provides a simple and organized structure for client-side applications, allowing developers to separate concerns and easily manage data models and views.
  • Axios: Axios is a promise-based HTTP client for the browser and Node.js. It is widely used for making Ajax requests and handling HTTP responses. Axios provides an easy-to-use API for sending asynchronous HTTP requests and supports features like request cancellation, interceptors, and automatic JSON parsing.
  • Fetch API: The Fetch API is a modern replacement for XMLHttpRequest and provides a more powerful and flexible way to make Ajax requests. It is built into modern browsers and supports promises, allowing developers to write cleaner and more concise code. The Fetch API provides a simple and consistent API for making network requests and handling responses.
  • XMLHttpRequest: XMLHttpRequest is the original Ajax technique and has been widely used for making asynchronous requests in web applications. It is supported by all major browsers and provides a low-level API for sending HTTP requests and handling responses. Although it is considered less convenient than newer alternatives, it still remains a viable option for Ajax interactions.
  • SuperAgent: SuperAgent is a lightweight Ajax library with a fluent API for making HTTP requests. It provides features like request and response serialization, authentication, and automatic handling of cookies. SuperAgent supports both browser and Node.js environments and has gained popularity for its simplicity and ease of use.

 

Let’s consider Difference between Junior, Middle, Senior, Expert/Team Lead developer roles.

Seniority NameYears of experienceResponsibilities and activitiesAverage salary (USD/year)
Junior Developer0-2 yearsAssisting in the development of software applications, debugging and fixing issues, writing code under supervision, learning new technologies, collaborating with team members.$50,000 – $70,000
Middle Developer2-5 yearsDeveloping software applications independently, participating in code reviews, implementing new features, troubleshooting complex issues, collaborating with cross-functional teams, mentoring junior developers.$70,000 – $90,000
Senior Developer5-10 yearsLeading the development of complex software solutions, designing system architectures, optimizing performance and scalability, conducting code reviews, providing technical guidance and mentorship, collaborating with stakeholders.$90,000 – $120,000
Expert/Team Lead Developer10+ yearsOwning the technical vision and strategy, leading a team of developers, making high-level technical decisions, driving process improvements, managing project timelines and resources, collaborating with senior management.$120,000 – $150,000+

 

TOP 13 Facts about Ajax

Facts about
  • Ajax stands for Asynchronous JavaScript and XML.
  • It is a web development technique that allows web pages to be updated asynchronously by exchanging small amounts of data with the server, avoiding the need for a full page reload.
  • Ajax combines several technologies, including HTML, CSS, JavaScript, and XML or JSON for data interchange.
  • It was first introduced by Jesse James Garrett in a blog post in 2005.
  • Ajax revolutionized web development by enabling the creation of dynamic and interactive web applications.
  • One of the most popular uses of Ajax is in form validation, where it allows for real-time feedback without requiring a page reload.
  • Google Maps was one of the earliest and most prominent examples of Ajax implementation, allowing for smooth map navigation without page refreshes.
  • Ajax enables the development of single-page applications (SPAs) that provide a more desktop-like user experience.
  • Facebook is a prime example of a web application that extensively uses Ajax to update content dynamically, such as when liking or commenting on a post.
  • Ajax requests are typically handled asynchronously, meaning that the user can continue interacting with the web page while waiting for the server response.
  • XMLHttpRequest is the JavaScript object used to make Ajax requests to the server and handle the response.
  • With the rise of modern web frameworks like React, Angular, and Vue.js, Ajax has become an integral part of building responsive and interactive web applications.
  • Ajax has evolved over time, and newer technologies like Fetch API and Axios have emerged as alternatives to the traditional XMLHttpRequest.

 

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