What Is JavaScript? JavaScript is a scripting language used to enable programmatic access to objects within software applications. JavaScript will make your website more interactive, allowing your users input information, move elements around on the page, and make your website more functional.

If you are a JavaScript guru, can finish tasks with high level standards and in a timeless manner, then this is the right place for you! Freelancer.com supplies JavaScript freelancers with thousands of projects, having clients from all over the world looking for having their job done professionally and settling for nothing but the best. Jobs vary from building a dynamic web & desktop applications to fixing errors and malfunctions with Scripts. Those clients are looking for someone like you to get the job done. If you believe you can do that, then start bidding on JavaScript project and get paid with an average of $200 per project!

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    748 trabalhos encontrados, preços em EUR

    Profissional com habilidades em C#, JavaScript e Selenium para criar Api de automação de mensagem para whatsapp - criar funções em chat, como botão de respostas automática, texto em negrito, itálico e sublinhado e emojs. E configurar Qrcode com whatsapp Aplicativo em C# / Winform

    €141 (Avg Bid)
    €141 Média
    6 ofertas

    Preciso que cheque de forma automática as informações neste site, via lista importada. Poderá ser desenvolvida via node, PHP ou como preferir. Site: deverá retornar apenas informações especificas. poderá ser usado algum tipo de captch: 2captch, capmonster

    €44 (Avg Bid)
    €44 Média
    8 ofertas

    Precisa de emprego na tecnologia e ferramentas abaixo Nó JS Expressar Texto datilografado Log4; Janela de encaixe Gole Servidor AWS menos (Lambda) Postgres Código VS Git hub Fuso horário estimado segunda a sexta 2/3 horas de trabalho Escala de pagamento 20k a 30k

    €2225 (Avg Bid)
    €2225 Média
    25 ofertas

    Preciso corrigir alguns bugd no meu server samp e ajeitar uns territorios

    €19 (Avg Bid)
    €19 Média
    6 ofertas

    Desenvolver um código onde consiga alterar um dado gravado inicialmente na abertura de conta, para poder realizar uma operação financeira direcionando para outra informação gravada posteriormente. Favor entrar em contato no chat com as dúvidas diretas sobre o projeto. PS. O pagamento só sera efetuado após verificação que o projeto foi realmente validado.

    €432 (Avg Bid)
    €432 Média
    16 ofertas
    Converter DOCs para HTML 1 dia left
    VERIFICADO

    Ola preciso converter arquivos DOC para html , a estrutura e parametros já estão criados, seria replicar a formatação e passar o conteudo usando a mesma ideia para outros Docs, tempo curto, docs longos, com imagens e algumas interações necessárias como popups, slides de imagens, entre outros.

    €145 (Avg Bid)
    €145 Média
    52 ofertas

    Olá, estou precisando de um programador para realizar um web scraping na página de resultados da bet365, para capitação dos resultados do futebol virtual e posteriormente realizar análises dos resultados passados para geração de dados estatísticos e posterior previsibilidade de resultados com base em estatística.

    €477 (Avg Bid)
    €477 Média
    16 ofertas

    We are hiring English-speaking tech experts to join our team of developers. If you are looking for freelance HTML jobs online, this position is perfect for you. It will require you to complete programming-related academic assignments of your choice and on your schedule. Read more about the requirements and benefits of our remote HTML jobs Requirements for candidates: • Advanced level of English (writing); • Strong analytical skills; • Knowledge of HTML & CSS; • Ability to complete at least 10 orders per month; • Education: a college degree in computer science, coding bootcamp, or relevant certification is a plus; • At least half a year of job experience in HTML CSS jobs would be preferred. Qualifications (job responsibilities) of an HTML CSS developer &b...

    €171 (Avg Bid)
    €171 Média
    26 ofertas

    Hello we need payment gateway integration with our website. Website is built using React JS We want to integrate with Google pay and UPI and then add others The backend is Django

    €37 (Avg Bid)
    €37 Média
    12 ofertas

    Hi there! We’re a cybersecurity startup in Web3 (Nefture) and we’re building a product which protects blockchain users. Regarding the development of the product, we need a frontend developer which could join the team, in Paris or in remote. We’re looking for a senior developer, who has more than five years in React.JS and Next.JS. Thank you in advance.

    €3993 (Avg Bid)
    €3993 Média
    34 ofertas
    vue.js developer 6 dias left

    I am looking vue.js developer plz don't apply if u don't call

    €12 / hr (Avg Bid)
    €12 / hr Média
    19 ofertas

    Construcción de formularios CRUD y página de login usando Javascript + CCS en AWS Servicios de aws S3, cognito, lambda, SNS.

    €8 / hr (Avg Bid)
    €8 / hr Média
    4 ofertas

    Hi, I'm looking for software engineer (upto 10 freelancers) having sound knowledge of PHP or there frameworks. Please bid if you are available for long term Full Time position. Please start your proposal with the word "success" and share your past projects Looking forward to working with you

    €302 (Avg Bid)
    €302 Média
    8 ofertas

    We have an existing React Redux web app and looking for a senior talent to take over work on the app. The app consist of a backend which fetch statistics from a remote API, stores it in a database and prepares it using simple calculations (sum). This is then presented in a password protected web app slider. Not looking for juniors, the whole point is to improve the code base from junior. The kind of work needed: - 1-2 known smaller urgent issues - 2-4 known smaller non-urgent issues - Production of new functionality Workflow example: - Initial investigation, for example 2 hours - Estimation after investigation: 12 hours - Fixed price: 12 hours - Repeat for next task Regards

    €23 / hr (Avg Bid)
    €23 / hr Média
    26 ofertas

    1. should login a user using the phone number 2. should call 1 demo API with JWT and validate the token on the backend. 3. should implement a refresh token mechanism I need new freelancer who can do this job on time

    €749 (Avg Bid)
    €749 Média
    4 ofertas

    1. should login a user using the phone number 2. should call 1 demo API with JWT and validate the token on the backend. 3. should implement a refresh token mechanism I need new freelancer who can do this job on time

    €690 (Avg Bid)
    €690 Média
    5 ofertas

    My website is getting thousands of bot attacks and I need to have them blocked from the website. See images. Looks to say petabot coming from petalsearch. Google analytics data is not showing these figures. History of website visits have always been less than 1000 per day. See also the image below comparing August and September visits, these will show an increase from 7000 to 26700 and this is not normal. You will also see what looks like a bot attack on the website from Petalbot, and a petal search. I need these removed so the visits to the website are not allowed

    €41 (Avg Bid)
    €41 Média
    10 ofertas

    Hello I have a ongoing panel to complete. It's codeigniter latest version. A travel agency panel. Started from zero but the developer not good. Will be provided with API. And will be using PayPal and stripe and other payment gateway. Will be go to the cheapest bidder. Maximum budget is 5 USD per hour but prefer is 3 USD. So if you like to get some experience you can bid for the project Thanks Over 5 USD per hour bidder please don't bid Thanks

    €5 / hr (Avg Bid)
    €5 / hr Média
    20 ofertas

    I need a telegram robot that replaces aliexpress links in chat groups to same product with my refferal ID. I need someone with experience in telegram robots and aliexpress affiliate program.

    €20 (Avg Bid)
    €20 Média
    5 ofertas
    Angular developer -- 2 6 dias left
    VERIFICADO

    Looking for an angular developer who has atlast 5-7 years of experience in ANgular SHould be willing to work on remote machine .

    €15 / hr (Avg Bid)
    €15 / hr Média
    25 ofertas

    1. should login a user using the phone number 2. should call 1 demo API with JWT and validate the token on the backend. 3. should implement a refresh token mechanism

    €40 (Avg Bid)
    €40 Média
    4 ofertas

    Looking for someone who has atleast 6+ years of experience in java and soap to build Api's. Soap is must have. Should be good in fixing code issues . Should work remotely .( no code sharing ) Please share your daily available timing as per cst

    €40 / hr (Avg Bid)
    €40 / hr Média
    13 ofertas

    Hello, I ordered a website from a programmer on your site, but I can't get this site to run on my local server, what could be the problem? In the site or in my computer? I'll pay a small fortune if you help me, I hope it's real... Here is a link to the source code:

    €51 / hr (Avg Bid)
    €51 / hr Média
    5 ofertas

    Hello, Im looking for one developer for merge 2 builder html page in one. let me explain : I have this builder : 1: Novi builder html page. link : and 2 : Zilla builder html page. link: Zilla is an saas page builder html. and i want move novi builder inside the zila page. I want move zilapage builder for set inside novi builder instead. that mean, i want novi builder for saas mode, like zilapage do, but for be simple use zilapage script, and insert inside novibuilder. Ready to hire you now. Thx you.

    €125 (Avg Bid)
    €125 Média
    46 ofertas
    Need Help to build an app. 6 dias left
    VERIFICADO

    This will include many modules. I’ll be needing someone, who can handle the coding and the Ui. Ping me to discuss further

    €351 (Avg Bid)
    €351 Média
    9 ofertas

    Hello, I am looking for a freelancer to make me an android webview project that can show my website which might contain login options like google account login, facebook login, twitter login…

    €153 (Avg Bid)
    €153 Média
    16 ofertas

    I need someone who is well versed in Google Analytics reporting

    €256 (Avg Bid)
    €256 Média
    20 ofertas

    I am looking for a java developer who can work part time to maintain the backend of website. Please contact me if you are interested.

    €488 (Avg Bid)
    €488 Média
    44 ofertas
    Command line entry 6 dias left
    VERIFICADO

    looking to figure out and create a way to imput changes thru command line or TFTP from a web site Astrisk is a VOIP Switch which i need help on it's a VOIP Project

    €20 / hr (Avg Bid)
    €20 / hr Média
    17 ofertas

    I need someone who is well versed in Google Analytics reporting

    €981 (Avg Bid)
    €981 Média
    26 ofertas

    I am looking for an experienced Drupal developer to help my customer with their Content Management System. This is ongoing work, 40h / week, Eastern Standard Time work hours available only to US citizens. Contract Requirements: - Contract Requires US Citizenship - Must be able to obtain and maintain an US Agency specific Public Trust clearance Job Description: - Implement revisions to a shared Drupal code base including configuration changes, modifications to custom PHP code, and addition of existing open-source Drupal plug-ins. - Adopt and follow development patterns currently is use by the team. - Use jQuery, Datatables, and other Javascript frameworks to display dynamic data on web pages from public APIs. - Write T-SQL SELECT queries. - Successfully identify the root cause of reporte...

    €87 / hr (Avg Bid)
    €87 / hr Média
    5 ofertas

    Looking for the automation expert who is expert in automation using JavaScript, Cypress and Cucumber. Person needs to be available every weekday for 4-5hours.I am looking for serious professionals with great work ethic.

    €15 / hr (Avg Bid)
    €15 / hr Média
    11 ofertas

    I am looking to work with either a high school student or a university student to help me build an Internet of things (IoT) device using MicroPython on the ESP32. By the way, the ESP32 is a microcontroller just as Arduino is a microcontroller. Why don't you need any experience? I would rather work with someone who is inexperienced yet very intelligent, rather than someone who is experienced yet not very intelligent. I will ask you a question which you must answer correctly, in order to prove to me that you are very intelligent. You must be able to work for five days each week for one hour per day. You may choose the five days which are convenient for you. You may work at any hour of the day (or night) that you would like.

    €20 / hr (Avg Bid)
    €20 / hr Média
    5 ofertas
    Cashback Script 6 dias left
    VERIFICADO

    Hi, I need a cashback script. If you already have programed a cashback script and want to sell it again, ülease let me know. There should be a client area and a admin area. and an AWIN API for automatic transaction import. Thanks and best regards, Patrick

    €459 (Avg Bid)
    €459 Média
    33 ofertas
    Horse Racing Casino Game 6 dias left
    VERIFICADO

    Hi, We're looking to create a horse racing game that uses our own custom logic for determining the winners & losers. We have the source code & just need to create the logic for the game to work. I need someone with Javascript , HTML 5 & MongoDB experience. The source code we will be editing is : 1. I need a super admin portal that can run multiple different instances , with different balances ( think of this as different locations. ( Users created , that can bet on the game & I can see all balances & control them etc) 2. I want to randomize the winners % ratio while maintaining a positive % for the house ( US ) 3. We want to change the betting mechanism ( house always wins 60&) 4. Add 14 horses in total below is the source code we will be editing.

    €558 (Avg Bid)
    €558 Média
    55 ofertas

    Looking for a react js developer for job support. 3-4 hours of work daily. 5 days a week. Payment will be on monthly basis. Indian developers are required. Budget (30-32k monthly) Work will be in USA timings.

    €301 (Avg Bid)
    €301 Média
    12 ofertas
    Joomla bug fixes 6 dias left
    VERIFICADO

    easy joomla bug fixes. Need someone on call and on PST. currently need my newsletters to show the unsubscribe link properly. Plus other fixes. Please be affordable because I have always had to hire devs for the same issues

    €27 (Avg Bid)
    €27 Média
    16 ofertas

    Within our local team in Uniondale, NY, you will be assigned to develop Symfony bundles for our Project. Bundles would be for (but are not limited to) creating/parsing issues/requests in a ticket system, fund management, and Notification system. Our project is a B2C-Workflow/Ticket-System application, where your work will be an integral part to its scope. We are looking for up to 3 developers for up to 12 weeks (6 Sprints with 2 weeks each). Start date / onboarding would be as soon as possible, with a lead time for project acceptance and approval, as needed. We follow SCRUM as our project management methodology and use JIRA for project planning, Confluence for documentation and Git for version control. As we are in EST timezone, we would prefer up to 8-10 hours difference. We will condu...

    €31825 (Avg Bid)
    €31825 Média
    38 ofertas

    Hello I have a form that i've been working on in wordpress and it does calculations, however I have a matrix I need to include in my calculations in order for them to be correct. it's a 5x? table of numbers that it will have to look at 2 values. The first value is how much a calculated box has so that part is done. The Second value is the number of children they input into the calculator to then go down this matrix and get the correct number. **For me to consider your bid you must have the word "Child Support" in it.

    €145 (Avg Bid)
    €145 Média
    41 ofertas
    Google Maps Expert in pricing 6 dias left
    VERIFICADO

    Google Maps Expert in pricing We have an application to track devices, but it seems the maps API is pretty expensive, need someone to guide me google maps pricing

    €16 (Avg Bid)
    €16 Média
    2 ofertas
    Horse Racing Game. 6 dias left
    VERIFICADO

    Hi, We're looking to create a horse racing game that uses our own custom logic for determining the winners & losers. We have the source code & just need to create the logic for the game to work. I need someone with Javascript , HTML 5 & MongoDB experience. The source code we will be editing is : 1. I need a super admin portal that can run multiple different instances , with different balances ( think of this as different locations. ( Users created , that can bet on the game & I can see all balances & control them etc) 2. I want to randomize the winners % ratio while maintaining a positive % for the house ( US ) 3. We want to change the betting mechanism ( house always wins 60&) 4. Add 14 horses in total below is the source code we will be editing.

    €267 (Avg Bid)
    ADC
    €267 Média
    14 ofertas
    VBCS Project 6 dias left

    I need someone who can help me with VBCS, debugprojects, help me also to understand some things in VBCS.

    €11 / hr (Avg Bid)
    €11 / hr Média
    3 ofertas

    We require an experienced frontend developer who has a good sense of aesthetics related to UI design. The current UI requires modifications and the landing/Login page can be made to look more professional. We also need some level of optimisation so that it becomes more user friendly.

    €93 (Avg Bid)
    €93 Média
    9 ofertas

    Estoy buscando un developer full stack - Que sepa front & backend. -Necesito a alguien que sepa manejar & crear funciones de backend.

    €149 (Avg Bid)
    €149 Média
    52 ofertas
    node api unit test expert 6 dias left
    VERIFICADO

    hello developers i need quick help for add unit test for 2 api case. will discuss more details with best candidates. this need to be done in few hrs. just send proposal if you are available.

    €13 / hr (Avg Bid)
    €13 / hr Média
    31 ofertas

    i wanted the paypal gateway added to checkout of my store . i hired a freelancer , who added that smart paypal buttons only in the cart page . i tried payment from there and payment got deducted but order wasnt made

    €26 (Avg Bid)
    €26 Média
    8 ofertas

    I Have Our Old Project But Not Completely Flow And Work Login Flow Login Reference Show Date And Time Slide Images Dynamic New Device Login Need OTP Signup Page Form Filed First Name Last Name Mobail Number Verify OTP Email ID Aadhaar Number Pan Number Password Confrom Password Type Dropdown Valu add MRP Retailer Dristubutor Master Dristubutor Submit Button Redirect To Payment Page Payment Successfully After Automatically Send Message Trough DLT ID AND PASSWORD [03/10, 4:31 pm] Zindagi Na Milenge Dobara: Recharge Page Mobaile Number Auto Fetch Operator Plan Show Button Offer Fetch Button Sumit Enter 4 Digit Pin [03/10, 4:32 pm] Zindagi Na Milenge Dobara: Recharge Successfully Show Popup Message Recharge Number Amo...

    €4 / hr (Avg Bid)
    €4 / hr Média
    3 ofertas

    Looking for unreal developer who can do coding for web enablement

    €2798 (Avg Bid)
    €2798 Média
    2 ofertas

    I am looking for a survey on my landing page. Similar to those seen on and dollarshaveclub.com. You answer questions and get a recommended product to subscribe to.

    €20 / hr (Avg Bid)
    €20 / hr Média
    83 ofertas

    The project involves the modification of a Java application built on the spring framework. - Modification of text strings; - Modification of application forms.

    €163 (Avg Bid)
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    39 ofertas

    Artigos da Comunidade dos Principais JavaScript