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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    726 znalezione projekty, cennik w USD

    Cześć, jestem Max i pracuję w Socialwave. Dostarczamy darmowe WiFi wraz z automatycznymi rozwiązaniami marketingowymi. W celu dalszego rozwoju naszego portalu poszukujemy programistów, którzy chcieliby dołączyć do naszego zespołu. Regularnie rozwijamy nowe funkcje, wdrażamy nowe standardy i refaktoryzujemy oprogramowanie.

    $16 / hr (Avg Bid)
    $16 / hr Średnia Oferta:
    10 składanie ofert

    Agencja reklamowa Biuro Podróży Reklamy aktualnie poszukuje do współpracy WEBDEVELOPERA w ramach wsparcia przy obsłudze stron naszych klientów, które są zbudowane w oparciu o CMS WordPress. Wstępnie planowane są prace polegające na bieżącej modyfikacji jak np. publikacja informacji tekstowych, graficznych, publikacja nowych produktów, dostosowanie i tworzenie szablonów podstron do nowych typów treści (html, css, js, php), które zleci klient, wsparcie PM,a przy weryfikacji możliwości wprowadzenie zmian.

    $212 / hr (Avg Bid)
    $212 / hr Średnia Oferta:
    35 składanie ofert

    Agencja reklamowa Biuro Podróży Reklamy aktualnie poszukuje do współpracy WEBDEVELOPERA w ramach wsparcia przy obsłudze stron naszych klientów, które są zbudowane w oparciu o CMS WordPress. Wstępnie planowane są prace polegające na bieżącej modyfikacji jak np. publikacja informacji tekstowych, graficznych, publikacja nowych produktów, dostosowanie i tworzenie szablonów podstron do nowych typów treści (html, css, js, php), które zleci klient, wsparcie PM,a przy weryfikacji możliwości wprowadzenie zmian.

    $13 / hr (Avg Bid)
    $13 / hr Średnia Oferta:
    14 składanie ofert

    Hello I need a networking expert with expertise in Java. Please apply if you have the required expertise

    $150 (Avg Bid)
    $150 Średnia Oferta:
    5 składanie ofert

    Hi I have React Ecommerce Home page, have some modifications on - Adding Delivery Pop up page and editing columns & dropdown Icon to Reduce Homepage Image Carosul Modifications of Product Cards & Footer Coloums have to change Slide Cart and All Page -(Slider)

    $38 (Avg Bid)
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    Please post "Stoner" before your post to weed out bots. This is a repost as the previous interested parties haven't been responding for the past few weeks. ------ I have a page where I use javascript google maps api. I have the latitude/longitude coords of each marker and I use a custom image for each of them that I also have stored in the database for the listings in my database. Currently: On the browser they are ugly square personalized thumbnail images on the map, and if several of them overlap, which is often the case, you can't see much of the other icons. What I'd like: I have noticed that another site, Leafly, has the same looking google map, but their custom markers look better with smaller or larger background for the marker and if you mouseover the h...

    $197 (Avg Bid)
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    Login-System 6 dni left

    A PHP Login System Where You Can Create Your Account And Login In Dashboard

    $22 (Avg Bid)
    $22 Średnia Oferta:
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    Dynamic NFT with Chainlink Keeper 6 dni left
    ZWERYFIKOWANY

    Looking for a developer who is comfortable with Dynamic NFT development and able to integrate Chainlink Keeper for smart contract automation. Developer also needs to be skillful in frontend React development as user experience for the minting site is important. Required Skill: React, IPFS, Chainlink, NFT development

    $529 (Avg Bid)
    $529 Średnia Oferta:
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    Major modification in the blockchain project is required, Demo must be given through Anydesk, UI must be developed representing charts. Maximum time duration is 7 days. Only committed personnals contact me. Make sure ur freelancer account is valid. The only payment method would be through freelancer account.

    $580 (Avg Bid)
    $580 Średnia Oferta:
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    I am looking for a javascript guru. React skill is plus. Let's discuss more on chatbox. Thank you.

    $502 (Avg Bid)
    $502 Średnia Oferta:
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    Need a Google Apps script developer who can write a script to colorize different cells based on complex combination of cells. We don't want the conditional formatting. It breaks the sheet.

    $7 / hr (Avg Bid)
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    Complete Our 3D Graphics Viewer Software Program For HTML 3D Graphic, 3D CAD Graphics, and 360 Degree Images, 2D Images. See video in attached link: Make 3D Viewer program for 3D Graphics that are HTML files and CAD Drawings that are HTML files. The HTML viewer will have lists, menu's, hot spots, hyperlinks, navigation to different scenes, etc... It will create the CAD presentation in HTML that can be accesses on Ipads and Laptop computers. It must be able to handle files from Blender Graphics, CAD Graphics, 3D Graphics that have been converted into HTML, also needs to be able to handle 360 Images, and 2D images. It must also work with eDrawings viewer. Send me a message for more project details. Experts only. Must have a Bachelors degree. You must have 5 or more years of coding ...

    $1081 (Avg Bid)
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    I want to make pdf converter website like ilovepdf is it possible to make any

    $108 (Avg Bid)
    $108 Średnia Oferta:
    6 składanie ofert

    hi, we are looking for a frontend developer to improvise our project frontend with FIGMA, svgs and some custom things! There will be about 10 pages which is already done in React which is also responsive, You should work with these existing pages and add FIGMA and svgs as per our instructions.

    $82 (Avg Bid)
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    I want to make pdf converter website like ilovepdf is it possible to make any

    $76 (Avg Bid)
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    I am registered on "" I want to send automatic message through the Google Sheet. I want someone who can right the code in Google App Script for this purpose. I have shared sample Sheet (llink mentioned below) aand Code sample is also mentioned there. https://docs.google.com/spreadsheets/d/1B332Zr6aia4AjYJ3ftRDpuxpxlPIMUFsDNVEZA1VDqI/edit#gid=0

    $18 (Avg Bid)
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    Design & build web based Application for Risk analysis

    $12 / hr (Avg Bid)
    $12 / hr Średnia Oferta:
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    change extension for firefox 6 dni left
    ZWERYFIKOWANY

    my extension is not installed to firefox. but this install to chrome. I find someone to install permanently for firefox.

    $36 (Avg Bid)
    $36 Średnia Oferta:
    4 składanie ofert
    Chrome extension expert -- 3 6 dni left
    ZWERYFIKOWANY

    I need the chrome extension expert who can work with me long term. Need to have the chrome extension development experience with reactJs. Working timezone from EST 11:20AM ~ EST 3PM Hourly rate is $8~$10/h Best Regards Yao

    $26 / hr (Avg Bid)
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    Proszę, Zarejestruj się lub Zaloguj, żeby zobaczyć szczegóły.

    Projekt z Umową o Zachowaniu Poufności

    I am looking for typescript and mui expert. This is very very urgent task.

    $121 / hr (Avg Bid)
    $121 / hr Średnia Oferta:
    22 składanie ofert

    Jcop J2A040 cards ATR to be programmed or changed. Need scripts for the ATR provided by us for jcop cards to change their ATR as per our requirement

    $10 - $30
    $10 - $30
    0 składanie ofert
    Front-end Web development Trainer 6 dni left
    ZWERYFIKOWANY

    We are an Edtech company looking for a front-end web development Trainer with very good industry experience to train the students on HTML, CSS, JavaScript, Bootstrap etc.

    $314 (Avg Bid)
    $314 Średnia Oferta:
    26 składanie ofert
    Build a NFT DAO on SOLANA 6 dni left
    ZWERYFIKOWANY

    1 - Read metaplex nft standard 2 - Configure metaplex cli locally 3 - Mint a test NFT 4 - Mint a collection type NFT 5 - Mint a few additional NFTs and verify them as part of the collection 6 - Register the NFT collection in the nft-plugin of the DAO 7 - Make a proposal / vote on it using NFT governance 8 - Create lambda function basis in node.js/typescript, to be able to mint and verify collection of an nft for a newly signed up user, given their wallet address

    $240 (Avg Bid)
    $240 Średnia Oferta:
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    i want to create the google form . Details will be discussed

    $8 - $19
    Ukryte
    $8 - $19
    12 składanie ofert
    Chrome extension expert -- 2 6 dni left
    ZWERYFIKOWANY

    I need the chrome extension expert who can work with me long term. Need to have the chrome extension development experience with reactJs. Working timezone from EST 11:20AM ~ EST 3PM Hourly rate is $8~$10/h Best Regards Yao

    $11 / hr (Avg Bid)
    $11 / hr Średnia Oferta:
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    We need a plugin / extension created for mainwp that allows us to make notes on a website profile in mainwp. They will be chronologically sorted and paginated, and displayed in mainWP and will also be available in the mainWP Pro report plugin, so it sends the notes for that month as part of thee report to client Will need Date, and Message multi line text field some examples of other 3rd party plugins MainWP dev site with all the documentation more documentation on connecting your plugin to mainwp

    $74 (Avg Bid)
    $74 Średnia Oferta:
    11 składanie ofert

    The existing ecommence website didn't write source code based Google structural data rule, and there're lots of Irregular, invalid or redundant code, resulting in a very slow website, especially mobile loading speed as low as 5 seconds,or even lower. I am looking for a developer who know Google SEO knowledge well to help us optimize mobile loading speed , rewrite structural data, and deploy Google Analytic 4 code. It would be plus if you know how to write tracking code for affiliate program, avoid credit an order to different affiliate program.

    $193 (Avg Bid)
    $193 Średnia Oferta:
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    We have a ecommence site running at present facing Germany markting, website language is german, built based on shopify. And we want to expand our business to USA, UK, France, Spain, Netherlands, and need to update our present site to a multi-language site, make it more internaltional. I hope you have rich experience in multi-language ecommence site development, and could give me an optimal solution. For example, shall we do multiplanguage by Independent Domain Name, sub-domain, sub-categories. Independent Domain: , , xxx.com. sub-domain:, sub-categories: , except language and its site frame, 5 more questions: 1 Which way do you think is better based on shopify, and why? 2 which way do you think is better based on wordpress, and why? If use wordpress, What are the requirements for ...

    $613 (Avg Bid)
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    Saludos, Se requiere programador web en PHP para trabajar en WordPress, hacer modificaciones a plantillas. CSS y HTML. Muchos proyectos disponibles, buen ambiente de trabajo. Presupuesto alrededor de $5 por hora.

    $6 / hr (Avg Bid)
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    A React Native developer required 6 dni left
    ZWERYFIKOWANY

    I have a working React Native app, but there are some errors on some screens(Camera, NFC, Voice Recording). I need a React Native developer who can fix this issues and can make some updates on existing screens. If you have a node.js/express/React skills, that's great.

    $220 (Avg Bid)
    $220 Średnia Oferta:
    25 składanie ofert
    Custom Bundle Builder for Shopify 6 dni left
    ZWERYFIKOWANY

    Hi there, I am looking for someone who is able to create a bundle builder similar to this one: it should have the same functionality. Looking forward to your proposals!

    $542 (Avg Bid)
    $542 Średnia Oferta:
    55 składanie ofert

    I need the React Native + NodeJs + PHP developer who can start immediately. The hourly rate is $8/h~$10/h Only need an individual developer and can work EST timezone ( EST 11:20AM ~ 3:20AM). Please add " I am an individual developer and can work EST timezone" on your proposal, or not I will skip it. Best Regards, Yao

    $11 / hr (Avg Bid)
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    You need to add a mechanism on my website by which I can create a page by simply dragging and dropping a few css pre defined rows (one column text / two column text / image and text / text and image / etc etc) and the content selected from the drop down menu drawn from a database. It is a simple project, if you understood it well.

    $78 (Avg Bid)
    $78 Średnia Oferta:
    10 składanie ofert

    Mobile App based on WebRTC for chat, video call and live streaming as a tool for sales team...

    $2809 (Avg Bid)
    $2809 Średnia Oferta:
    61 składanie ofert

    I need the React Native + NodeJs + PHP developer who can start immediately. The hourly rate is $8/h~$10/h Only need an individual developer and can work EST timezone ( EST 11:20AM ~ 3:20AM). Please add " I am an individual developer and can work EST timezone" on your proposal, or not I will skip it. Best Regards, Yao

    $12 / hr (Avg Bid)
    $12 / hr Średnia Oferta:
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    Quick Fix WordPress Plugin - Assign Background Color I need someone who can use the plugin editor to fix the standard background that is assigned in the config files of my plugin. Please see attached pictures. Config files allow choosing background color with each config file. When running the plugin the canvas is always white. Must be able to read the config file and set the correct assigned background to the canvas for each config. ****PLEASE NO PLACEHOLDER BIDS*** PLEASE CAREFULLY READ THE PROJECT DESCRIPTION AND VIEW THE ATTACHED IMAGES. PLEASE TRY BOTH 7 AND 1O MIL VARIATIONS. Please see: and choose a mil. Thank you. DO NOT ASK WHAT MY BUDGET OR TIME IS i=

    $35 (Avg Bid)
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    1. Design and implement a flow in Node-RED that fetches the 7-day Adelaide city weather forecast every 4 hours via the metrological department link (link provided in the attached notepad) 2. Add a node to the above flow that displays the 7-day Adelaide weather forecast in the browser, formatted in a table or similar. 3. Modify your flow to display an appropriate error in the browser in the event that could not be reached (for example if the internet connection is lost) Submit your completed work as a file via attachment to an email. *NOTE - DONT ASK ME MY BUDGET, THIS IS A SMALL TASK, JUST BID AND I WILL AWARED THE BEST BIDDER WITH THE CHEAP BID

    $23 (Avg Bid)
    $23 Średnia Oferta:
    3 składanie ofert
    React Native developer needed 6 dni left
    ZWERYFIKOWANY

    I have a working React Native app, but there are some errors on some screens(Camera, NFC, Voice Recording). I need a React Native developer who can fix this issues and can make some updates on existing screens. If you have a node.js/express/React skills, that's great.

    $236 (Avg Bid)
    $236 Średnia Oferta:
    35 składanie ofert

    For developer , follow plan to complete it

    $440 (Avg Bid)
    $440 Średnia Oferta:
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    Develop a news website like this Need faster

    $1350 (Avg Bid)
    $1350 Średnia Oferta:
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    Java developer 6 dni left

    Knowledge in functional programming using java8, Spark and Kafka.

    $374 (Avg Bid)
    $374 Średnia Oferta:
    6 składanie ofert
    Email Settings 6 dni left
    ZWERYFIKOWANY

    To Just confirming that you will be doing the work, as below, on our VS1 Cloud package web site using Javascript, bootstrap, MeteorJS. This job is a simple connection of an email system to our existing screens and setup in VS1. It has been 80% completed and just needs to be finished. The data will come from an API call, to a TrueERP backend database, using the built in TrueERP REST You will be provided with full access to a remote machine, with TrueERP running on it, for testing and given full login details to VS1 Cloud, also for testing. It is assumed that you will work locally on your own machine and then check in the work onto these machines and test that they work correctly in the full environment. This is to be done every week on a Thursday, to ensure that if something is br...

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    I need someone good to make me this bot. DO NOT apply if you have never do crypto trading/never code a trading bot before! Only for knowledgeable traders+coders. Bot must: 1. support multiple crypto exchanges Perpetual API. FTX, Bybit, Binance, Kucoin, Huobi 2. be able to run multiple instances of bot on same PC or on AWS. 3. have simple and clean UI and easy to operate(to a normal non programmer PC user), either a Standalone PC App, Chrome based browser App, Ubuntu App. Details will be discuss further if hired.

    $270 (Avg Bid)
    $270 Średnia Oferta:
    7 składanie ofert
    ReactJs, NodeJs, MSSQL tasks -- 2 6 dni left
    ZWERYFIKOWANY

    1) need to change current code, enhancement, to improvement ReactJs, NodeJS, MSSQL currency only SGD. 2) New project, create new page by ReactJs Frontend mockup only as per screenshot. As small & simple task, budget is very low & currency only SGD. But If ok this task, will continue the whole project which will included NodeJS backend, API, MSSQL DB and budget will be reasonable. If you interest, please contact, otherwise, pls don't waste time.

    $21 (Avg Bid)
    $21 Średnia Oferta:
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    We are looking for an RoR developer to join our team. The developer should be able to fix support issues related to the application. This is a potential long-term job. Please apply if you have good skills in RoR.

    $8 / hr (Avg Bid)
    $8 / hr Średnia Oferta:
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    Hello, I have a custom car rental site and I want to add an option in my motor theme. I want a calendar to set the availability dates of my cars. Thank you in advance for your proposals

    $156 (Avg Bid)
    $156 Średnia Oferta:
    71 składanie ofert
    Simple SharePoint Function 6 dni left
    ZWERYFIKOWANY

    I need a simple Javascript function which will take in the standard URL for an office file and return the Embed URL (which contains the "sourcedoc" ID of the file). For example, input URL is: /ProcessProcedureSystem/Approved%20Documents/ Returned URL is: /ProcessProcedureSystem/_layouts/15/{bd415499-9cfa-4e56-8681-d9bfa1e5cc3c}&action=embedview The function will always be run within the SharePoint site. Note: 1. This is for Sharepoint Online (Office 365) 2. Developer will need to have access to own SharePoint for testing as we will not be able to provide access to our site.

    $19 (Avg Bid)
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    Hello Programmers I have a open source code and i need changes in code. The APi used in system is the Baileys API Whatsapp ChatBot Multi Device Beta I need programmers with knowlodge in java script json html xml css less php sql layered png i will need 2 main changes, The Source Code Support unlimited accounts but when i creat campaign i need divide this camapign for x Accounts, creating 1 campaign individual for each account. I need creat only 1 campaign and select the accounts for send at once. Need creat rules for each account like numbers of messages will send messages For example if i have 100 accounts use 50 accounts after send 50 messages, add more 50 accounts and send the messages, rules like this... Need report for all actions, send and receive messages with date/time...

    $189 (Avg Bid)
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    I'm looking for a developer who has experience with OCPI protocol in the Electrical vehicle Domaine in order to implement it within an existing project. Ps: OCPI protocol knowledge is required

    $572 (Avg Bid)
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    Najlepsze JavaScript Artykułów Społeczności