JavaScript is one of the most popular programming languages in the world. If you are looking for a website to be created with sophisticated interactivity or in search of an impressive mobile app, using JavaScript is the way to go. With the help of our expert Javascript Developers, you can bring your idea to life.
A Javascript developer on Freelancer.com can create dynamic web applications with extended features and improved user experiences. They can also design advanced gaming applications, develop cloud applications, and create powerful websites that work with less coding and low complexity.
Here's some projects that our expert Javascript Developers made real:
- Developed interactive websites & apps with detailed user accounts experience
- Created powerful applications that streamline complex data into actionable insights
- Built custom Windows and Mac software designed to fit client specifications
- Developed mobile apps that enables customers to access data from their phones
- Connected databases to web interfaces with easy input/output functionality
- Optimized existing code for faster loading pages and smoother user workflows
Javascript Developers on Freelancer.com know how to turn ideas into reality. They are experienced professionals dedicated to excellence and creating top-notch scripts that are easy to use, reliable and fast. If you have an idea but don’t know how to turn it into technical reality, Freelancer.com is the place to post your project. Hire our expert Javascript developers today!
从695,283个评价中,客户给我们的 Javascript Developers 打了4.86,共5星。雇佣 Javascript Developers
MY BUDGET IS $50 / 3 DAYS! PLS DO NOT BID WITH PLACEHOLDERS BUDGETS & TIMELINES. I have a js script that (1) uses regex to guess valid domains and (2) save the domain output to MongoDB. Now, I want to improve the script by (1) using similar logic the guess valid email addresses, (2) adding additional data fields to the email and domain, and (3) outputing the data in my application based on my user's search input and payment plan, and (4) downloading the requested data to the user's computer an a CSV file. The project requires, node.js, , regex, stripe, mongodb, and mongoose. Basically, we will use node.js for the backend and for the frontend. The frontend of the app is already deployed to Vercel. If you can deploy the backend, I can increase the budget a bit. PLEASE SEE...
I need a freelancer to create date triggers in a google sheet that are triggered by manual entry. The date triggers should be formatted to show the date only. There is no need for additional functionality or automation beyond the date triggers. Ideal skills and experience: - Proficiency in Google Sheets - Experience creating date triggers - Attention to detail and ability to ensure accuracy in the triggers
Estamos en la búsqueda de un programador para crear una plataforma Web con PHP, MySQL, bootstrap, javascript, html. Debe contar con la pagina home donde explique quienes somos, los servicios que ofrecemos, nuestros planes, nuestros aliados, debe contar con chat de atención en línea, página de datos de contacto. A parte de las pagina de información debe contar con los siguientes módulos: 1- Control de usuarios del sistema, donde debe existir solo dos perfiles, uno el Administrador, y dos el Vendedor, cada uno con capacidad para operar los diferentes módulos. 2- Control de afiliados: donde se debe registrar los afiliados. 3- Control de pagos, en donde se debe registrar el pago de los afiliados, el cual puede ser reportado por los afilia...
I am looking for someone to help me create a pypi package for a fork of the package streamlit-disqus. I already have the source code for the original package. The only change I need is a minor file change (attached file). This should only take less than 10 minutes for the skilled developer, but I will pay the full hour $2-8. Basically it doesnt have a black background and I need it for the css. Instructions: - fork the streamlit-disqus - make it a new package, something like streamlit-disqus-dark - make file changes so that it will build correctly. - change the css file inside of frontend -> public to this new file I attached. - upload it to so I can pip install your new package with the css file change.
I am looking for a developer who has experience in building new applications and has worked with before. The main goal of the project is to build a new application from scratch. The client has a specific design ready for the project, so attention to detail is important. Ideal skills and experience for the job include: - Experience with and React.js - Proficiency in HTML, CSS, and JavaScript - Familiarity with Git and version control - Understanding of server-side rendering and API integration - Attention to detail and ability to work with pre-existing design templates. Show me your fastest web sites. Figma will be shared per demand. 2 APIs to integrate: IDX Broker and Follow Up Boss Bonus: If you worked with before
I am looking for someone to help me create a pypi package for a fork of the package streamlit-disqus. I already have the source code for the original package. The only change I need is a minor color modification in the CSS. This should only take less than 10 minutes for the skilled developer. Ideal skills and experience: - Experience creating pypi packages - Proficiency in Python and CSS - Attention to detail for making small modifications
I am looking for a skilled developer who can convert my Figma design file into a Tailwind project. The project requires a high level of responsiveness, as it needs to be optimized for both mobile and desktop platforms. Additionally, the project includes about 15 screens, which will require attention to detail and excellent organizational and time management skills. Ideal Skills and Experience: - Proficient in Figma and Tailwind - Strong understanding of CSS, HTML, and JavaScript - Experience with responsive web design - Excellent organizational and time management skills
Looking for an experienced freelancer to create an adultfriendfinder script. This script is FOR COUPLEs to meet Not Just SINGLES PRE BUILT Clone Script NOT CUSTOME The project requires features like has such as profiles, messaging and search, as well as advanced features like video chat, live streaming and advanced search. Additionally, I would like to include custom features that will be specified in the project description. I have no preference for a specific platform or programming language and trust the freelancer's expertise in this matter. The project timeline is ASAP, and the ideal candidate should be able to complete the project within 1-2 weeks. The script should be designed for couples profiles for the lifestyle couple's AKA Swingers meet as well as singles.
I am looking for an experienced developer who can help me improve the speed of my WordPress website. The current site speed is slow, and I need it to load faster on both desktop and mobile devices. My goal is to have the desktop & mobile with an LCP of under 1.2 seconds & time to interact less than 2.5 seconds. I have already tried some optimization techniques, such as adding WP rocket but they only improved the speed slightly. Therefore, I need someone who has expertise in optimizing WordPress websites to help me fix the speed issues. Ideal Skills and Experience: - Experience with optimizing WordPress websites for speed - Knowledge of various optimization techniques and tools - Understanding of web performance metrics and how to improve them - Familiarity with caching plugins a...
hello there is a problem with webview while direct to whatsapp number on IOS you can see it on the attachments i don't is it wrong url or we need to add something so that can work on both platforms Andriod and IOS thanks
I am looking for a developer to create an AI Recipe Generator App with and Vercel. The app will focus on International cuisine and require ingredient-based suggestions for recipes. Similar to what has build. Ideal skills and experience for the job include: - Proficiency in and Vercel - Experience with AI/ML technology - Knowledge of recipe databases - Ability to implement a user-friendly interface - Familiarity with web development best practices Key features of the app will include: - Ingredient-based recipe suggestions - User-generated content - Dietary restriction filters If you have the skills and experience necessary to complete this project, please submit a proposal.
For this project, I need to build a Parcel Management & Car Buying System, with the primary feature of tracking delivery status. This involves building a new website from scratch and integrating it with shipping carriers. After the initial phase of development, I will also need provide maintenance for the site. The timeline for all the development is 1-2 weeks, so it's important that I find a reliable resource to help me implement the project successfully. My goal is to build a system that is efficient, secure and effective. Therefore, the developer should have knowledge and experience with development tools such as PHP, Mysql, Lavel, HTML, and CSS.
We don't speak English, please communicate with us in Spanish. Spanish: Primero de todo, por favor, lea detenidamente los PDF que se adjuntan en el proyecto. Lo que en ellos se describe no es más que una breve descripción del sistema. PlayWithUs Casino explicará más profundamente cualquiera de los puntos si el freelancer tiene dudas. El dinero no será liberado si el freelancer implementa el proyecto sin antes discutirlo con nosotros y consiguiendo un resultado no esperado por nuestra compañía. Es muy importante que el programador esté unido a nosotros en todo el proceso del desarrollo para que esto último no ocurra. English: First of all, please read the attached PDFs in the project carefully. What is described in them i...
Dear Developers, PLEASE BEFORE APPLYING READ THE WHOLE DESCRIPTION. Can you develop same website?(Cube layout): NOTE! Please understand you will not create any 2D or 3D elements(no game environments or any environments) Instead you will be using either videos made by you from scratch or existing videos or paid/free videeos that fit the scenery of our website based on our Contents of website. Functionalities We Need: -Login/Sign-up( Anti-Bot Sign-up reCAPTCHA from Google as well) -Payment gateway -Content Delivery(Once a user bought a course only users within the website will have access to our videos in the website) - Shopping Cart(Or Coupon code) for our checkout when a user buys a subscription or course.- -Calendar API I need to make sure you understood the requirements befo...
My project is to fix a bug in a text height and vertical scrollbar height calculation in some given web page project in JavaScript, HTML, and CSS. I have already tested the code in several browsers. It is I can assist with providing examples, so that you can concentrate upon the JavaScript analysis. I'm not interested in a pragmatically improved scrollbar height, or a "good enough" one. What I'm looking for is a correctly calculated height: a bug fix including explanation.
I am looking for a freelancer who can help me integrate Iyzico payments into my Medusa JS project. I already have an Iyzico account, so the integration process should be straightforward. My project is currently in progress, and I need some customizations to be made to the payment system. Ideal skills and experience: - Experience with Iyzico payment integration - Knowledge of Medusa JS - Ability to customize payment systems - Excellent communication skills to discuss customizations and provide expert advice.
I am looking for a skilled 3D designer to create abstract animated objects for implementation in Three JS. The ideal candidate should have experience in creating abstract 3D objects and be able to work with Three JS. The project requires more than 10 objects to be created. The 3D objects will be used for website design and should be visually appealing and engaging. The style of the objects should be abstract, and the designer should be able to create unique designs that are not currently available. The project requires a fast turnaround time, and the designer should be able to work efficiently to meet the deadline.
I want to build my website The figma design is ready How long will it take?
I am looking for a Java developer who can implement a Simple Contact Form on my website. The ideal candidate should have experience in Java development and be able to work efficiently to deliver quality results. The following requirements are necessary for the project: - Implement a Simple Contact Form on the website Design/layout for the form already there. - The contact form should have 1-3 fields If you have the necessary skills and experience to complete this project, please submit your proposal. Note: Work remotely via anydesk or teamviewer
MY BUDGET IS $50 / 3 DAYS! PLS DO NOT BID WITH PLACEHOLDERS BUDGETS & TIMELINES. I have a js script that (1) uses regex to guess valid domains and (2) save the domain output to MongoDB. Now, I want to improve the script by (1) using similar logic the guess valid email addresses, (2) adding additional data fields to the email and domain, and (3) outputing the data in my application based on my user's search input and payment plan, and (4) downloading the requested data to the user's computer an a CSV file. The project requires, node.js, , regex, stripe, mongodb, and mongoose. Basically, we will use node.js for the backend and for the frontend. The frontend of the app is already deployed to Vercel. If you can deploy the backend, I can increase the budget a bit. PLEASE SEE...
I use Opencart 3038 and jurnal 3 theme. When i add reward points on Shopping Cart page (scr1) and go to any product page i get error (scr2). Category page works, contact page works, information page works. Only product page in broke. When i remove reward pionts all works fine. Error: "Fatal error: Uncaught Error: Object of class Language could not be converted to string in /opencart/system/storage/cache/template/b5/ Stack trace: #0 /opencart/system/storage/vendor/twig/twig/src/(405): __TwigTemplate_0d0e242818bb0ad6fee04a710981175f338c40ddf8f8d1c5df81f25e0e8d4f94->doDisplay(Array, Array) #1 /opencart/system/storage/vendor/twig/twig/src/(378): TwigTemplate->displayWithErrorHandling(Array, Array) #2 /opencart/system/storage/vendor/twig/twig/src/(390): TwigTemplate->display(...
I am looking for a front-end developer who can build a gym membership management portal with sales on API. The ideal candidate should have experience in building similar portals and should possess the following skills: - Strong knowledge of HTML, CSS, and JavaScript, ASP.NET/ BLAZOR - Familiarity with API integration - Experience with other payment integration systems besides Stripe and PayPal The project requires the following features: - Member profiles and billing: The portal should be able to manage member profiles and handle billing. - Client management: The portal should have a feature to manage clients. - payment will be processed trough the API If you are interested in this project and have the required skills and experience, please apply. 1. We built a strong gym management s...
I am looking for a developer who can create a Woocommerce webhook integration into Ninja Form. The main focus of this project is to transfer Order Details from Woocommerce to Ninja Form in JSON format. The webhook should be triggered on Order Creation event. The ideal candidate should have experience with: - Woocommerce and Ninja Form integration - Webhooks and JSON format - PHP and WordPress development Please provide examples of similar projects that you have worked on in the past.
Looking for expert developer in telegram bots. - ability to create complex bot store with many options - input Credit card and crypto gateway - creating client managing system - working with apis - client panel + admin panel Must have creative mind to help get this project alive. -
I have an existing PHP Survey Portal run using EasyForms. It uses Yii2 PHP Framework and a mysql db. I am looking for an experienced developer to add a few features to this existing code. I need the following tasks done:- - Ability to compare between survey questions responses in the analytics section (Eg: Filter by Age or Gender) - Ability to export this as excel sheet or PDF - Convert some default settings like LTR text to RTL as default
We are seeking proposals for the development of a single webpage with a single table containing data from a Google Sheet. This document outlines the project requirements. Project Overview: We have an existing Google Sheet named "nets" that contains a table with 4 columns and 17 rows. The values in this table are changed by an operator every 5 seconds. Our goal is to build a webpage that displays this table data to approximately 500 users and visitors (maximun). The webpage should update the table every 5 seconds to reflect the changes made by the operator. Additionally, we require a caching solution to minimize requests to the Google Sheets API. The proposed solution should include the following components: a. Frontend Development: Development of a responsive webpage using HT...
hello, I already have a photo gallery in a script, but I would like to change it by inserting a button, and clicking it opens an image gallery....
Job Description: We're in search of a highly skilled React Native and Angular developer to contribute to an exciting project aimed at transforming the retail shopping experience. The chosen candidate will play a key role in building a mobile application with emphasis on user-friendly design and functionality. Key Responsibilities: Work closely with our team to design and develop a user-centric app. Be involved in all stages of the software development lifecycle, including requirement gathering, design, development, testing, and maintenance. Develop robust, scalable, and secure features. Ensure that the software meets all quality, security, modifiability, extensibility requirements, etc. Required Skills: Proven experience as a React Native and Angular Developer. Strong proficiency in...
I am looking for a skilled developer for a software development project. I need increase my website page ideal candidate should have strong experience in Magento . I require a freelancer who can showcase their past work and demonstrate their abilities in software development. The project entails developing a software program, and the freelancer will be responsible for designing, coding, and testing the software. If you possess the necessary skills and experience, please submit your past work as part of your application. page detail: home page is perfect but need work on catalauge page.
Estamos en búsquedas de un desarrollador con conocimientos sobre el despliegue de funcionalidades en Alfresco Comunity 7.1. Necesitamos realizar un fix sobre un desarrollo de “gestión de grupos”, puntualmente tenemos que mejorar el proceso de búsqueda de usuarios para agregarlos al grupo.
Bilingual Website for a Startup Property Management Company I am looking for a skilled web developer to create a bilingual website for my property management startup company. The website should be in English and Arabic. Website Platform I do not have a preferred website platform, but I am open to suggestions that will suit the needs of my business. Audience: The wbsite should be primarily focused towards the landlords as our main audience, following would be the tenants and the vendors or service providers. The website is expected to be interactive and also a place to communicate with the property management team. The website keeps publicly available data updated automatically and should also try to capture visitor's data for analytics to identify the general interest. ...
I am looking for a freelancer who can help me interpret open source code for an OTT platform. The code may be written in Java, Python, or JavaScript. I am not sure if the code is for the entire platform or just a specific feature/module. I do not require any customization or additional features to be implemented, just assistance with understanding the code. Ideal skills for this job include experience with front-end API and a strong understanding of programming languages.
Hi We want to messages users from a certain website. 1. go the the 'New users' section (initial page), it's a list with well structured data. 2. check for last messaged user, so that we do not double message users, and make sure it's working always (live or if we restart a while later) 3 find the next unmessaged user, click on its profile 4 subscribe to its profile (needed to send message) 5 In some cases a promo message will need to be ignored bu clicking on a button 6 grab username (could have beed done in previous steps) 7 send text message replace 'name' by username, in a simple form field. Optional but nice to have : a. log all entries in a google sheet with link to profile, messages sent and date. b. have an easy way to update message, possible rotat...
We're seeking a skilled Full Stack Developer to help advance complete our project. While our team is already equipped with a front-end developer specialized in React and a back-end developer familiar with MySQL. we have a part time front end and backend developer, and need someone with the skill to do the necessarry work to complete the project. Responsibilities: Development, testing, and maintenance of our PWA, with a heavy focus on back-end responsibilities, and third party api's Assist our front-end developer, specifically with tasks related to React, as and when required. Debug and troubleshoot software defects, striving to produce high-quality, reliable code that not only satisfies our requirements but is also in line with the best practices. Participate actively in code r...
I am looking for a skilled developer to create a local guide website that focuses on attractions and landmarks in a specific city or region. The website will target both tourists and local residents, providing them with recommendations on the best places to visit. Ideal skills and experience for this job include: - Experience in website development, including design and functionality - Knowledge of SEO best practices to ensure the website is easily discoverable, well structured. - Familiarity with content management systems to manage and update website content - Minimalist simple UI
MY BUDGET IS $50 / 3 DAYS! PLS DO NOT BID WITH PLACEHOLDERS BUDGETS & TIMELINES. I have a js script that (1) uses regex to guess valid domains and (2) save the domain output to MongoDB. Now, I want to improve the script by (1) using similar logic the guess valid email addresses, (2) adding additional data fields to the email and domain, and (3) outputing the data in my application based on my user's search input and payment plan, and (4) downloading the requested data to the user's computer an a CSV file. The project requires, node.js, , regex, stripe, mongodb, and mongoose. Basically, we will use node.js for the backend and for the frontend. The frontend of the app is already deployed to Vercel. If you can deploy the backend, I can increase the budget a bit. PLEASE SEE...
I need to restore an old working website
I am looking for a freelancer with experience in developing smart contracts on Binance Smart Chain. The ideal candidate should demonstrate prior experience in developing smart contracts on the platform. The smart contract should have automated trading functionality to facilitate seamless trading on the platform. The successful freelancer should have an in-depth understanding of smart contract development and be able to provide a detailed project proposal. If you have the necessary skills and experience, please apply with your past work and experience. I am looking forward to working with you. I am looking for a freelancer with experience in developing smart contracts on Binance Smart Chain. The ideal candidate must demonstrate previous experience developing smart contracts on the plat...
We are looking for a skilled developer who can prove a theory for us that we can create a emulated screen of a browser window (possibly using WebRTC or something similiar), showing every action of a user (clicking around, paginating, etc), and hiding the content of our chrome extension, that is on the parent screen, from the emulated screen. Real world example: - A user would use our solution to put sticky notes or Prompts on any web screen. - A user would then create a emulated screen of their browser window - The emulated window would show every action of the user BUT would not show the sticky notes or Prompts. Reason: A user would use our solution when they are presenting via screen share. The user would screen share the emulated window but work off the parent screen using the ...
I am looking for a developer to create a Chrome Extension that will enhance my browsing experience. The extension should have the following features: - Chatbot - Personalizable chatbot profile picture and name - The chat window will site as a floating action button on the screen - We may use adminLTE UI components for the chat UI and chatbot profile I want the Chrome Extension to be compatible with all websites/platforms. As for customization, I only require basic customization. Ideally, the developer should have experience in developing Chrome extensions and be proficient in JavaScript, HTML, and CSS.
I am looking for a WSDL expert who can modify an existing WSDL service for my application. The ideal candidate should have experience with SOAP web services and be able to assist with debugging or fixing any issues that arise. The following skills and experience are required: - Expertise in working with WSDL services - Experience with SOAP web services - Ability to modify existing WSDL services - Strong debugging and issue resolution skills - Knowledge of programming languages: Javascript, Typescript, Python
MY BUDGET IS $50 / 3 DAYS! PLS DO NOT BID WITH PLACEHOLDERS BUDGETS & TIMELINES. I have a js script that (1) uses regex to guess valid domains and (2) save the domain output to MongoDB. Now, I want to improve the script by (1) using similar logic the guess valid email addresses, (2) adding additional data fields to the email and domain, and (3) outputing the data in my application based on my user's search input and payment plan, and (4) downloading the requested data to the user's computer an a CSV file. The project requires, node.js, , regex, stripe, mongodb, and mongoose. Basically, we will use node.js for the backend and for the frontend. The frontend of the app is already deployed to Vercel. If you can deploy the backend, I can increase the budget a bit. PLEASE SEE...
I am looking to have a website created for my business, Zomato. We would like the website to have a wide range of features, so I need someone who is knowledgeable and experienced in web development. Specifically, I am looking for the website to include a search bar, Reviews and Ratings, Online ordering, Coupon codes, Loyalty program, Advanced search, User profiles, and Social media integration. Furthermore, while I do have some ideas regarding the layout and design of the website, I am still open to suggestions and new ideas. Finally, it is important to note that the project must be completed within a month.
HI, I’m interested in developing an add-in for MS 365 Excel for web. The add in should allow for multi select drop down lists, available in Excel for web. Multiple list items should be written in one cell when selected, separated by | (or other separator sign). Desktop versions can offer such functionality by this VBA code: or However, the web version does not support VBA. It seems the web version works with OfficeScript or JavaScrip (via an add-in). I’ve found info that this functionality is not really achievable via OfficeScript (but do tell if I’m wrong about that). Hence the need for an add-in. Details of the add-in’s functionality: 1. Support for many multi select lists per file. Our current drop down lists are based on Excel’s data validation, the ...
I am looking for a React JS developer who can help me fix some complex JavaScript errors in my project within a short-term deadline of 3-7 days. The bugs require significant investigation and problem-solving skills. The ideal candidate should have experience in React JS development and debugging, and be familiar with JavaScript and CSS styling. Skills/Experience: - React JS development and debugging - Proficient in JavaScript and CSS styling - Strong problem-solving skills - Attention to detail and ability to identify and fix complex bugs
Hi, I wrote a python flask app. This is only the frontend. There is no business logic. I need someone who will patiently go over the pages which do mainly insert update delete. Freelancer should fix errors like for example, an incorrect value shown in the form, a deletion or update error if exist, fill the dropbox dynamically( the code is written and was working should be checked and fixed if necessary), fix the layout of one page ( grid or similar layout ) the layout of other pages are ok. I tried to make use of some stylesheets but if the freelancer can switch to bootstrap without ruining the current look it would be good. I have done like 90% of the work. I am running out of time and a bit tired of this application. This is why I need someone to help me. I do not have much budget. So,...
Looking for someone who can help me on personal project Backend graphQL next js and docker mongoDB Frontend angular JavaScript
This WordPress has buggy CSS that causes the navigation menu to snap. It is also unusable in the FireFox browser. See the attached PDF with screen shots. If you are interested in this project, please ping me and I will give you the URL.
I need a Quasar framework and Vue.js Cordova expert to help me create a new web application from scratch. I already have a design in mind, so I am looking for someone who can help me bring my vision to life. The project timeline is 3-4 weeks, so I need someone who can work efficiently and deliver high-quality results within that timeframe. Skills and Experience: - Expertise in Quasar framework and Vue.js - Experience in creating web applications from scratch - Ability to work efficiently and meet strict deadlines - Strong design skills to bring my vision to life
I am looking for someone who is experienced with Javascript, Selenium, Macros, and RPA to help me automate in this case one workflow process. I don't need any user interfaces, so chances of development will be very low. Inputs will be from Excel which will drive the automation process. No reporting outputs are required. The ideal freelancer should also have proven experience with automation projects. If you think you have what it takes, I would love to work with you. Thank you! So how it goes, there should be some kind of macro that goes to a website than performs some steps and goes per step to the excel copying values and pasting in the screen. Clicking next, in the last step it compares the output on the screen with a predefined text in excel if it is not the same it should warn t...