JQuery / Prototype Jobs

jQuery / Prototype is an open source, Javascript library that is designed to help simplify the process of writing and managing code. It is a popular library that enables developers to use pre-coded components, such as adding animations, interactivity, and even AJAX through plugins. With jQuery / Prototype, a dedicated jQuery Developer can easily create powerful web applications that can be tailored to suit the needs of the client without having to write much extra code.

Here's some projects that our expert jQuery Developer made real:

  • Provide interactive features such as smooth scrolling, interactive menus with popups, and sliders
  • Automate processes with AJAX calls, allowing the user to refresh certain portions of their web page without having to navigate back or forward in the browser
  • Implement animation effects and effects flow while user is interacting with the application
  • Develop applications that work responsively across various devices, ensuring that your projects look as good on mobile devices as they do on desktop computers
  • Create complex forms with multiple plugin integrations, offering users a seamless experience when filling out those forms.

Our expert jQuery Developers have been able to make all sorts of projects come alive in our clients’ websites. Whether it's customization of components like sliders or creating complex web applications with tailored AJAX requests - a good jQuery Developer can help make your website come to life. If you've got a project for us to tackle, we'd love to hear it. Post your project on Freelancer.com today and hire a dedicated and talented jQuery Developer from our community.

From 302,435 reviews, clients rate our jQuery Developers 4.87 out of 5 stars.
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    40 jobs found, pricing in USD
    D3 chart developer needed 6 days left
    VERIFIED

    I am in need of a skilled D3 chart developer who can create various types of charts for my project. Skills and Experience: - Proficiency in D3.js and experience in creating Line, Bar, and Pie charts - Ability to work with existing data and transform it into chart-ready format - Understanding of data gathering techniques if required - Experience in creating interactive charts with user interactivity options This project requires the developer to create interactive charts using D3.js with the provided data. The charts should be visually appealing and allow users to interact with the data. The ideal candidate will have experience in creating various types of charts and should be able to handle the data preparation aspect if needed.

    $23 (Avg Bid)
    $23 Avg Bid
    4 bids
    AGRIBUSINESS APPLICATION -- 2 6 days left
    VERIFIED

    Design of functionalities for an agribusiness app with consultancy features, an online shop, online payment integration, and a tree planting program to create a holistic platform for farmers, agribusinesses, and agricultural experts Ideal skills and experience for this job include: - Experience in developing agribusiness applications - Proficiency in mobile and desktop application development - Knowledge of crop monitoring systems - Ability to implement real-time updates and high interaction features Features for an app designed to encourage farming, foster knowledge-sharing among farmers, and promote food security 1. **User Registration:** - Simple onboarding process allowing farmers and agricultural enthusiasts to create profiles. 2. **Dashboard:** - Personalized dashboard...

    $550 (Avg Bid)
    $550 Avg Bid
    30 bids
    FIX A CHROME EXTENSION 6 days left
    VERIFIED

    I am looking for a freelancer who can fix a Chrome extension that is not working at all. The extension is not displaying the expected results and there is no error message displayed when attempting to use it. The client has not made any recent changes to their computer or browser settings. Ideal Skills and Experience: - Proficient in Chrome extension development - Strong troubleshooting and debugging skills - Experience in fixing extension issues and resolving compatibility problems - Knowledge of JavaScript, HTML, and CSS - Familiarity with browser APIs and web technologies Please provide examples of previous Chrome extension projects you have worked on and any relevant experience.

    $180 (Avg Bid)
    $180 Avg Bid
    35 bids

    I am seeking a freelancer who can provide a complete breakdown of JavaScript code and explain its function. The code may have potential to cheat Lighthouse, so knowledge in this area would be beneficial. The ideal candidate should have expertise in JavaScript and an understanding of Lighthouse.

    $14 / hr (Avg Bid)
    $14 / hr Avg Bid
    37 bids

    I want to have two divs next to each being nicely centered within the body tag and the body tag should be centered within the browser window. Each div should contain an image. The div on the left, a navigation bar image which is taller than wide. The div on the right should have an image src that is approximately a 16:9 image. I don't want to have any gaps in between the divs and images. I want the divs and the images, to not change their size regardless of whether the browser window is getting smaller. Instead, the browser should add a scrollbar to the corresponding side, which falls shorthand for the window to show the div/image section. Please don't bid unless you are excellent at HTML and CSS etc and have MULTIPLE YEARS CONTINUOUS ACTIVE EXPERIENCE IN THIS FIELD. 80% of peopl...

    $5 / hr (Avg Bid)
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    41 bids

    I am looking for a skilled coder who can help me fix functionality errors in my PHP code. The code affects both the front-end and back-end of my project. There are known conflicts with JavaScript that need to be resolved. Ideal skills and experience for this job include: - Strong proficiency in PHP and JavaScript - Experience in fixing functionality errors in PHP code - Knowledge of front-end and back-end development - Ability to troubleshoot and resolve conflicts between PHP and JavaScript

    $111 (Avg Bid)
    $111 Avg Bid
    62 bids
    POP UP AUDIO WINDOWS 5 days left
    VERIFIED

    I am looking for a freelancer to develop a feature for my website that involves pop-up audio windows. The purpose of these windows is to provide background music for the user. Skills and experience required: - Proficient in HTML, CSS, and JavaScript - Experience with audio file formats, specifically MP3 - Knowledge of creating pop-up windows and user interaction Requirements: - The audio files used will be in MP3 format - The pop-up audio windows should be designed to play the background music when triggered by the user - The user should have the option to manually play and pause the audio within the pop-up window Please provide examples of previous work related to audio integration and user interaction.

    $32 (Avg Bid)
    $32 Avg Bid
    15 bids

    CSS and Javascript developer needed to help embed a chat widget in a website. Need to be able to write JS code to embed widget; Widget should open when clicking on it and should clode when clicking on the icon again More requirements to be send in private message Potential for long term work

    $74 (Avg Bid)
    $74 Avg Bid
    55 bids

    Currently, we are seeking a skilled freelance frontend developer for an exciting project. Project Details: Technology Stack: Main Task: Development of a new feature on the frontend. Source Code: Existing source code will be provided for modification. Required Experience: Proven experience in previous projects using Next.js. Estimated Duration: 7-10 days Responsibilities: Modify existing source code to implement the new functionality. Collaborate with our team to ensure seamless integration. Testing and troubleshooting to ensure a robust and efficient outcome. Requirements: Proven experience in frontend development with Next.js. Solid knowledge of HTML, CSS, JavaScript, and React. Ability to work independently and meet deadlines. Portfolio showcasing relevant previous projects. Why Joi...

    $200 (Avg Bid)
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    95 bids

    I am looking for a developer who is proficient in JavaScript, PHP, and React to assist me with a specific project. The project is of basic complexity and requires expertise in React development. Ideal skills and experience for the job include: - Proficiency in JavaScript, PHP, and React - Experience in developing React applications - Ability to work on a specific project and deliver desired results.

    $15 (Avg Bid)
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    18 bids

    We need a dedicated UI Developer for the long term. The candidate/freelancer should be experienced in UI Development and HTML5, CSS3, Javascript, and AJAX for at least 5 years. And our budget on monthly would be Rs.40,000. Type i agree in caps that if you have read the things clearly while bidding. If the candidate/freelancer knows ReactJS, it is added advantage. Read the description and place your bid with your top 5 portfolios.

    $389 (Avg Bid)
    $389 Avg Bid
    37 bids

    We are seeking a skilled developer or development team to create a Chrome extension app that augments the property listings on Idealista.com. The extension will provide additional investment-related information directly on the listings, enhancing the user experience for property investors. Key Features of the Chrome Extension: * Below Market Value (BMV) Display: Automatically calculate and display the BMV percentage for each property listing based on our database (Asking price divided by Estimated average price minus 1, to display the % below market value). Also show % above market value. * Gross Rental Yield Calculation: Show the potential gross rental yield for each property, derived from our data (estimated average rental income for the year divided by the asking price). * High De...

    $641 (Avg Bid)
    Urgent
    $641 Avg Bid
    28 bids

    I am looking for a skilled chrome extension developer who can create a simple charting tool for me. similar to febonacci tool in tradingview. the tool should be simple like (epic pen) with only four items: 1-line to be drawing on the screen 2-rectangle box 3-trend based febonacci (the numbers should be editable and colors of the lines) 4-febonacci retracement tool (similar to above functionality) the tool should be working similar to tradingview. find attached photo for your reference. The ideal candidate for this project should have experience in chrome extension development and be familiar with charting libraries and tools. Knowledge of JavaScript, HTML, and CSS is also required. If you have a strong background in chrome extension development and are confident in your ability to ...

    $23 (Avg Bid)
    $23 Avg Bid
    6 bids
    JavaScript array manipulation 4 days left
    VERIFIED

    I am looking for a JavaScript developer to assist me with filtering tasks on an array using jQuery or JavaScript and passing value from Ajax Skills and experience needed: - Proficiency in JavaScript and jQuery - Strong understanding of array manipulation and filtering - Familiarity with jQuery library Timeline: - Immediate start and completion of the project

    $13 / hr (Avg Bid)
    $13 / hr Avg Bid
    68 bids

    I am looking for a skilled Vue.js developer who can integrate an API within the next 1-2 weeks. I already have the API documentation available, so the developer will not need to create it. There are no specific APIs that need to be integrated, so any suitable API can be used. Ideal skills and experience for this job include: - Proficiency in Vue.js and API integration - Strong understanding of RESTful APIs and JSON - Familiarity with API documentation and integration processes - Attention to detail and ability to troubleshoot and debug any issues that may arise during the integration process.

    $141 (Avg Bid)
    $141 Avg Bid
    28 bids

    I am looking for a skilled Vue.js developer who can integrate an API within the next 1-2 weeks. I already have the API documentation available, so the developer will not need to create it. There are no specific APIs that need to be integrated, so any suitable API can be used. Ideal skills and experience for this job include: - Proficiency in Vue.js and API integration - Strong understanding of RESTful APIs and JSON - Familiarity with API documentation and integration processes - Attention to detail and ability to troubleshoot and debug any issues that may arise during the integration process.

    $41 (Avg Bid)
    $41 Avg Bid
    12 bids
    web script -- 3 4 days left
    VERIFIED

    attached i have the website codes, Web Script Development: JavaScript site must include pages that allow your user to Login and Register. Your site’s Main Navigation must include Navigation Items (or other UI elements) that allow the user to navigate to appropriate security pages (Login and Register) and Logout. When your user is not logged in, the navigation bar should only show the Login link. When the user is logged in, the navigation bar should only show a Logout Navigation Item. • any pages that allow the user to Update and Delete data or objects related to the type of site you have selected to build should be protected and require a user to be logged in.

    $5 / hr (Avg Bid)
    $5 / hr Avg Bid
    41 bids

    I am looking for a developer who can adjust my API to add extra request functionality using TypeScript with React Components. The specific requirements for this project include: - Adding additional request functionality to the existing API - Completing the adjustments within a timeframe of 1-2 days - Utilizing specific React components for the adjustments (please specify which ones) The ideal candidate for this job should have experience with: - TypeScript - React Components - API integration and adjustment If you are interested in this project and have the necessary skills and experience, please submit your proposal.

    $38 (Avg Bid)
    $38 Avg Bid
    27 bids

    I am looking for a freelancer who has intermediate experience in React js to develop a session-like feature for my project. The specific functionality I am looking to achieve with this feature includes: - User authentication and authorization - State management - Data persistence The session-like feature should be able to last for several hours.

    $86 (Avg Bid)
    $86 Avg Bid
    21 bids

    I am looking for a freelancer to implement AJAX on the Ultimate Member plugin form. The purpose of this implementation is to improve the user experience. Requirements: - Experience with AJAX and Ultimate Member plugin - Ability to dynamically update form fields based on user input - Understanding of user experience best practices The client has a specific design in mind for the form after the AJAX implementation. Therefore, the ideal candidate should be able to work with the client's design specifications. The project has a tight timeline, with the client expecting the implementation to be completed within 1 hour. Therefore, the freelancer should be available to start immediately and deliver the project quickly.

    $20 (Avg Bid)
    $20 Avg Bid
    5 bids

    Project Title: Custom NFC Code Development for Automated Data Deletion Project Description: Hello, I am looking for a skilled NFC programmer to develop a custom code for an NFC application. The primary functionality I need is the ability to set a specific date on which the data stored on an NFC card will automatically be deleted. This feature is crucial for my project as it involves sensitive data management and timely deletion is essential for security purposes. Key Requirements: 1. Automated Deletion: The NFC code should enable the setting of a predetermined date, after which all data on the NFC card is automatically erased. 2. Reliability: The solution must be reliable and secure, ensuring that data deletion occurs precisely at the specified time without fail. 3. Compatibility: ...

    $21 / hr (Avg Bid)
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    27 bids
    MAPBOX API 3 days left
    VERIFIED

    I am looking for a developer to integrate the Mapbox API into my web application. The specific functionality I need is geocoding and address autocomplete. The ideal candidate should have experience in JavaScript programming language. Here are the requirements for the project: - Integrate Mapbox API into a web application - Implement geocoding and address autocomplete functionality - Ensure seamless integration and functionality on the web application - Optimize the user experience by providing accurate and efficient address autocomplete suggestions - Collaborate with the design team to ensure a visually appealing and user-friendly interface Skills and Experience: - Strong proficiency in JavaScript programming language - Experience with integrating APIs into web applications - Familiarit...

    $315 (Avg Bid)
    $315 Avg Bid
    42 bids

    I am looking for a freelancer to integrate a login form into my Google Chrome extension. The ideal candidate should have experience in backend system integration and be proficient in JavaScript. Requirements: - Integrate a login form into the Google Chrome extension - Use an existing backend system for user authentication - Create a simple email and password form for login -Create fiels for add license code Skills and Experience: - Proficient in JavaScript - Experience with backend system integration - Knowledge of user authentication systems

    $31 (Avg Bid)
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    23 bids

    Hello i am automating a website when i need to fill value in input box , I tried many possible way to fill it but not working . Basically its aadhaar website . Go to and login , And then go to Offline Kyc page , There you will have to enter 4 digit share code , I am unable to fill that 4 digit code using js . I just need working code like this javascript:function E(){(".").click();var newValue = "2234";var inputElement = ('shareCode')[0]; = newValue; }E() Which will fill the value of share code

    $30 / hr (Avg Bid)
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    20 bids

    I am looking for a freelancer who can help me add value to a text area input element in the Chrome console. Currently, when I try to modify the input element, the change doesn't persist. I am using the latest version of Chrome. Skills and experience required: - Strong knowledge of JavaScript and Chrome console - Experience with manipulating input elements in the Chrome console - Familiarity with the latest version of Chrome If you have the expertise to solve this issue and ensure that the changes made to the text area input element persist, please bid on this project.

    $20 (Avg Bid)
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    27 bids

    I am looking for a freelancer to integrate a login form into my Google Chrome extension. The ideal candidate should have experience in backend system integration and be proficient in JavaScript. Requirements: - Integrate a login form into the Google Chrome extension - Use an existing backend system for user authentication - Create a simple email and password form for login -Create fiels for add license code Skills and Experience: - Proficient in JavaScript - Experience with backend system integration - Knowledge of user authentication systems

    $34 (Avg Bid)
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    15 bids

    I am looking for a freelancer to integrate a login form into my Google Chrome extension. The ideal candidate should have experience in backend system integration and be proficient in JavaScript. Requirements: - Integrate a login form into the Google Chrome extension - Use an existing backend system for user authentication - Create a simple email and password form for login -Create fiels for add license code Skills and Experience: - Proficient in JavaScript - Experience with backend system integration - Knowledge of user authentication systems I would like you to integrate a login form into my Google Chrome extension, as well as a field to enter a license code to validate the purchase. Additionally, it is necessary to create a login form for users who have already activated their accounts...

    $40 (Avg Bid)
    $40 Avg Bid
    16 bids

    I am looking for a freelancer to integrate a login form into my Google Chrome extension. The ideal candidate should have experience in backend system integration and be proficient in JavaScript. Requirements: - Integrate a login form into the Google Chrome extension - Use an existing backend system for user authentication - Create a simple email and password form for login -Create fiels for add license code Skills and Experience: - Proficient in JavaScript - Experience with backend system integration - Knowledge of user authentication systems I would like you to integrate a login form into my Google Chrome extension, as well as a field to enter a license code to validate the purchase. Additionally, it is necessary to create a login form for users who have already activated their accounts...

    $30 (Avg Bid)
    $30 Avg Bid
    6 bids

    I am looking for a freelancer to integrate a login form into my Google Chrome extension. The ideal candidate should have experience in backend system integration and be proficient in JavaScript. Requirements: - Integrate a login form into the Google Chrome extension - Use an existing backend system for user authentication - Create a simple email and password form for login -Create fiels for add license code Skills and Experience: - Proficient in JavaScript - Experience with backend system integration - Knowledge of user authentication systems I would like you to integrate a login form into my Google Chrome extension, as well as a field to enter a license code to validate the purchase. Additionally, it is necessary to create a login form for users who have already activated their account...

    $20 (Avg Bid)
    $20 Avg Bid
    7 bids

    I am looking for a front-end react developer with experience in integrating with API and back-end services. The project is of intermediate complexity, with multiple pages and more complex features. The deadline for completion is within a week. Skills and Experience: - Proficient in React and front-end development - Experience with API integration and working with back-end services - Knowledge of responsive design and mobile optimization - Ability to work within tight deadlines and deliver high-quality work - Strong problem-solving and communication skills

    $567 (Avg Bid)
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    240 bids

    Required Skills Familiar with Core PHP, CORE PHP. Good knowledge in CMS tools (Drupal, Wordpress, Etc...). Having knowledge in HTML5, CSS3, pro CSS and JavaScript, Bootstrap including jQuery. Strong working knowledge of SQL Server and MySQL. Comfortable working with web services and APIs. Familiar with Core PHP. Familiar with Multilingual Languages Application Very strong debugging, problem solving and analytical reasoning skills.

    $169 (Avg Bid)
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    29 bids
    web script -- 2 1 day left
    VERIFIED

    attached i have the website codes, Web Script Development: JavaScript site must include pages that allow your user to Login and Register. Your site’s Main Navigation must include Navigation Items (or other UI elements) that allow the user to navigate to appropriate security pages (Login and Register) and Logout. When your user is not logged in, the navigation bar should only show the Login link. When the user is logged in, the navigation bar should only show a Logout Navigation Item. • For this release, any pages that allow the user to Update and Delete data or objects related to the type of site you have selected to build should be protected and require a user to be logged in.

    $4 / hr (Avg Bid)
    $4 / hr Avg Bid
    44 bids
    Programmer for start-up C# 1 day left
    VERIFIED

    Programmer needed for a start-up company to work on a web development project using C#. The ideal candidate should have experience in working with existing code. The project involves the following requirements: - Developing and maintaining web applications using C# - Collaborating with the existing development team to enhance and improve the functionality of the web application - Troubleshooting and debugging issues in the existing codebase - Implementing new features based on the project requirements - Writing clean and efficient code that follows industry best practices - Ensuring the security and integrity of the web application - Experience with front-end technologies such as HTML, CSS, and JavaScript is a plus - Familiarity with database management systems, particularly SQL Server, i...

    $35 / hr (Avg Bid)
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    101 bids

    I am looking for a skilled developer to create a browser addon for Mozilla Firefox that will automatically reply to messages on Facebook Marketplace. Compatibility: The addon should be compatible with Mozilla Firefox. Auto-Reply: The addon should be set up to reply to all messages received on Facebook Marketplace. Response Type: The addon should be programmed to send pre-set responses to the messages received. Skills and Experience: - Experience in developing browser addons for Mozilla Firefox. - Proficiency in JavaScript, HTML, and CSS. - Knowledge of Facebook API. - Attention to detail to ensure accurate and timely responses. - Ability to create a user-friendly interface for managing pre-set responses. If you have the necessary skills and experience, please submit your proposal f...

    $163 (Avg Bid)
    $163 Avg Bid
    27 bids
    Create Calculator CO2 and VOC 18 hours left
    VERIFIED

    Project Description: I am looking for a skilled developer to create a web-based calculator for measuring CO²E and VOC emissions. The calculator will have specific parameters and variables that will be provided in a detailed list. Skills and Experience: - Proficiency in web development languages such as HTML, CSS, and JavaScript - Experience in creating calculators or similar tools - Knowledge of environmental metrics, CO²E and VOC emissions calculations - Strong problem-solving skills to refine and implement the provided list of parameters and variables - Attention to detail to ensure accurate calculations and results

    $160 (Avg Bid)
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    27 bids

    I am looking for a skilled JavaScript developer who can fix the date format on my website. The specific date format that needs to be fixed is DD/MM/YYYY. Additional functions on the website are linked to the date format, so it is important that the fix does not affect these functions. I need this task to be completed within 24 hours, so please only apply if you can meet this deadline. Requirements: - Strong experience in JavaScript - Knowledge of date formatting - Ability to work remotely via AnyDesk for troubleshooting and fixing the issue efficiently.

    $25 (Avg Bid)
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    36 bids

    Hi I have a problem on my website. My products image slide gallery are displayed (just from 1 location and just for 1 product to all others products). I think the problem is from Javascript because it is taking the .jpg files just from 1 location. Thank you!

    $22 (Avg Bid)
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    29 bids

    I am looking for a freelancer who can help me maintain and improve my Chrome extension. The specific tasks that I need assistance with include adding new features to the extension. Currently, the extension is functional but it needs improvement. There are some areas that require attention and optimization. I am seeking someone who can work on these tasks as soon as possible, as there is a sense of urgency in completing them. Ideal Skills and Experience: - Experience in developing and maintaining Chrome extensions - Strong knowledge of JavaScript, HTML, and CSS - Ability to troubleshoot and fix bugs - Familiarity with performance optimization techniques - Creative problem-solving skills to implement new features If you have the necessary skills and can work on this project promptly, pl...

    $168 (Avg Bid)
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    31 bids

    Necesito un juego en dónde pueda realizar sorteos, que haya una ruleta que pueda editar e insertar nombres, para más información pueden mandarme solicitud de discord, me encuentran como: ropsto.

    $144 (Avg Bid)
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    8 bids

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