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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    738 trabajados encontrados, precios en USD

    **Favor de visualizar documento adjunto Cuento con un sistema que realiza los reportes por separado y deseo uno en donde se muestren todos los sensores en diferentes colores como lo muestra la primer imagen, deseo que aparezca en la seccion de mi sistema en reportes gráficos Sistema a modificar: usuario:freelancer contraseña:123456 En el manu superior (menú azul) seleccionar el apartado de "REPORTES" - + - Seleccionar tipo de reporte "grafico" - "sensores" NECESITO ESTE TIPO DE REPORTE

    $196 (Avg Bid)
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    14 ofertas

    Agregar nueva funcionalidad a aplicación web React.js desarrollando módulos en el Fontend, proporciono API con los métodos ya implementados.

    $161 (Avg Bid)
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    54 ofertas

    Somos una organización social comprometida con el fortalecimiento de procesos educativos para comunidades infantiles y juveniles en Colombia. Para lograr nuestro sueño de lanzar una propia plataforma de capacitación virtual, estamos buscando una persona con experiencia mínima de un año en Node.js, Express, y MySQl, que realice el despliegue de la aplicación que fue desarrollada en Node. Contáctanos si te sientes inspirado a ayudarnos en este propósito.

    $5 / hr (Avg Bid)
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    8 ofertas
    Programación en Odoo web Seribas 5 días left
    VERIFICADO

    Deseamos realizar ajustes en las páginas webs Odoo realizadas con el ERP Odoo, para nuestros productos impresión y corte de metal el estándar del ecommerce de Odoo no es suficiente y debemos realizar ajustes de programación en sitio web, Requerimientos: - Crear un configurador que analice archivos en formatos: PDF, AI. EPS, STEP, SVG, DWG, DXF y extraiga la información del perímetro / total de la curva del archivo/imagen y coloque el resultado en las casillas del cotizador. Web que tienen un configurador similar al requerido: - Incluir: -Imagen en los atributos/valores de las combinaciones - duplicar y ajustar una formulas de consumo -Selección de fecha de entrega_ tipo calendario : Días / Costo / tipo - Posibilidad de desplegar...

    $647 (Avg Bid)
    $647 Oferta promedio
    16 ofertas
    Sitio web para diario 5 días left
    VERIFICADO

    Buscamos un programador con experiencia para desarrollar una página web de noticias y un panel de administración para la publicación. Estamos buscando a alguien con experiencia previa en el desarrollo de portales para agencias de noticias. Si tienes los conocimientos en JavaScript, php, react, Vuejs y otros lenguajes de programación, te invitamos a que postules. ¡Esperamos tu respuesta!

    $85 (Avg Bid)
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    17 ofertas

    Busco un developer backend con experiencia con el MERN Stack Busco a alguien que pueda trabajar 40 horas a la semana minimo. Alguien que tenga experiencia con Node Js , Mongo Db , React , Express , Javascript , PHP. Se busca alguien ideal que hable espanol & que se pueda integrar rapido a los task & al equipo.

    $499 (Avg Bid)
    $499 Oferta promedio
    58 ofertas

    Necesito desarrolladores Java

    $433 (Avg Bid)
    $433 Oferta promedio
    16 ofertas
    Programador front-end React.js 4 días left
    VERIFICADO

    Startup busca programador front-end react.js o para desarrollo de portal informativo orientado al Sector de Criptomonedas. Requisitos: - Disponibilidad de tiempo de 4 a 8 horas. - Dominio del idioma español. - Dominio de framework, js, css y API. - Si tiene algun conocimiento backend mejor. Se ofrece: - Horario flexible. - Equipo jovenes. - Buen ambiente laboral.

    $497 (Avg Bid)
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    81 ofertas

    Nos encontramos en búsqueda de un desarrollador full stack para robustecer un software, el proyecto tiene una estimación de 135 horas

    $2075 (Avg Bid)
    $2075 Oferta promedio
    41 ofertas

    Proyecto para desarrollar software de trascripción de audio a texto en español modo manual (subiendo uno a uno los audios) y automático (tomados directamente del servidor que graba los audios) Fuente de sonido: radio y televisión, preferimos que sea desarrollado en lenguaje python. Requerimos experiencia en el desarrollo de este tipo de software demostrable. Todo el desarrollo debe estar documentado como paso previo al pago. Desarrollo de Back y Frontend conforme especificaciones técnicas que se le indiquen. Tasa de error en reconocimiento aceptada +/- 2% Una vez hecho el código y previo a la entrega deberá ser testeado con diversos audios que se enviarán al desarrollador.

    $1085 (Avg Bid)
    $1085 Oferta promedio
    16 ofertas

    Se plantea dar seguimiento, desarrollo y soporte al front-end , para la interfaz grafica con la que nuestro cliente tiene interacción. Perfil solicitado Experiencia en : • Manejo de Java Script • Uso de plataformas Low Code • Interacción con módulo services Api SOAP. • Manejo de CRON para ejecuciones de script. El objetivo principal a realizar son el desarrollo y soporte del front-end en Budibase, para el análisis de datos, creación y ajustes gráficos de los mismos. Objetivos específicos • Creación de base de datos • Creación de graficas, funciones, puntos de acceso, que nuestro cliente nos pida crear o cambiar para el manejo y visualización de datos • ...

    $18 / hr (Avg Bid)
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    8 ofertas

    Necesitamos automatizar la tareas de envio de mensajes por whatsapp que actualmente enviamos manualmente a clientes frecuentes y potenciales. En el mensaje se envia un archivo PDF y una reseña escrita que van modificandose segun la necesidad de contenido. Como las herramientes de whatsapp cuentan con demasiadas restricciones a la hora de envio de mensajes por medio de listas de difusiones actualmente no tenemos opcion que enviar la informacion necesaria en forma manual contacto por contacto por lo tanto el objetivo de este proyecto es crear un bot/sistema que replique la tarea

    $522 (Avg Bid)
    $522 Oferta promedio
    54 ofertas

    Necesito el desarrollo de una interfaz gráfica para un programa que hemos estado desarrollando, apesar que ya cuenta con una necesito mejorarla y modernizarla. El desarrollador debe ser proficiente en PyQt5 yJava Script

    $379 (Avg Bid)
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    21 ofertas

    Estamos en camino de migrar información, que se alojo por años en Excel a un sistema mucho mas moderno. Somos una empresa en el rubro de construcción, la cual busca diseñar/crear un sistema de trabajo que se pueda trabajar en remoto y en la empresa localmente. Allí la idea es alojar OT de trabajo, stock, almacenes, compras etc. Disponíamos de un sistema el cual se caía frecuentemente, asique postulantes favor de enviar portafolios con productos funcionando hoy en día. Inicialmente es crear un sistema, pero tenemos mucho mas trabajo a futuro. Saludos

    $571 (Avg Bid)
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    31 ofertas

    busco creadores de mods para el ark dev kit juego

    $69 (Avg Bid)
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    3 ofertas
    crear una api 2 días left

    una api que almacene toquen y y almacenarlo en una base de datos

    $101 (Avg Bid)
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    22 ofertas
    python bot 2 días left
    VERIFICADO

    A automated bot for diablo immortal. Me must know how to manage monster, identify objects and zones and act.

    $185 (Avg Bid)
    $185 Oferta promedio
    27 ofertas
    GPS - Cálculo de tiempos en track 2 días left
    VERIFICADO

    Subir un fichero GPX de un track o recorrido a nuestro servidor Varios dispositivos GPS envían posiciones a Flespi. Se requiere, recuperar datos de Flespi Calcular en tiempo real la distancia al punto final del recorrido a través del recorrido de cada dispositivo Calcular la diferencia de tiempo entre cada dispositivo Enviar la ubicación de cada dispositivo a otra APP que tiene su propia API Enviar el resultado de los cálculos a esta APP

    $263 (Avg Bid)
    $263 Oferta promedio
    16 ofertas

    Necesito un programa experto en (tiene que ser en esa plataforma), para la administración completa de un site de un Club. Necesito varios formularios para registrar a las personas, así como diferentes niveles de acceso para poder acceder y modificar, sacar estadísticas, etc....

    $441 (Avg Bid)
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    26 ofertas
    necesito programador react native 60 día left
    VERIFICADO

    Necesito programador que me pueda ayudar a terminar rapido una aplicacion de react native, cuento con trabajo continuo si se logra una relacion laboral exitosa.

    $30 - $250
    Sellado
    $30 - $250
    36 ofertas
    PDF to HTML Conversion for website 6 días left
    VERIFICADO

    We have a large fillable PDF form that needs to be converted to html. The html MUST have active text boxes, check boxes and radio buttons. The html file is to be added to a web page created by VS 2019 C# ASP. All text boxes, check boxes and radio buttons need to be sequentially numbered for integration into the code. Attached is the PDF file

    $150 (Avg Bid)
    $150 Oferta promedio
    13 ofertas
    Java developer for support work 6 días left
    VERIFICADO

    I need java developer for support work. expert in functional programming and core java

    $7 / hr (Avg Bid)
    $7 / hr Oferta promedio
    45 ofertas

    i need a very simple website which is my make up exam It will be in my university theme and will contain 4 different pages which have to be interactive with buttons and It is mandatory to use a form object. this project have to contain javascript css and html in diffrent files and its forbidden to use any framework

    $23 (Avg Bid)
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    19 ofertas
    Develop a Chrome plugin -- 3 6 días left
    VERIFICADO

    Develop a chrome plugin, References - Me Jan 26, 2023, 11:34 PM

    $105 (Avg Bid)
    $105 Oferta promedio
    6 ofertas

    Hello I need to integrate BlockBee system () on my website that will be coded in PHP. I want to use the custom API, in order to have a better UI. My budget is 5000 USD, but I believe it will not be that expensive as the documentation looks quite straight forward. I would need this in about 15 days from now...so not much rush... Please, check properly the documentation as I would like to settle this task with a fixed price and fixed deadline.

    $4790 (Avg Bid)
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    Hlo, hmari website mai kuch Css, html, php bugs hai hmne wo solve krwana hai agar koi kr skta hai to abhi mujhe call or msg kre

    $47 (Avg Bid)
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    5 ofertas

    I am looking for a developper to build a SaaS of backlink check. The purpose of the tool is to allow the follow-up of backlinks for different sites, in an automatic way. The tracking should allow to detect the removal of pages on which backlinks are present, but also the removal of the link itself, or its nature (eg: change from dofollow to nofollow). The tool will also allow customers to share with their own customers the view of projects. Finally the tool will allow to check regularly the indexation or not of a backlink. Complete specifications can be given upon request. PS : to avoid all automatic messages, only the messages starting with "BANANA" will be read.

    $1211 (Avg Bid)
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    35 ofertas
    Livecycle XFA form to Web App 6 días left
    VERIFICADO

    Hello, This project is about converting Livecycle JS form to be used on a web app. The principles of the module is that based on API requests the app needs to: - Activate JS parts of the Livecycle form and generate a new XFA file using the JS (converted to c# using iText or any other app) - Fill in the forms in xml using API requests. - Run other js converted to c# on the filled in form. - Import the xml to the pdf. The developer would need to be able to do a small preview of the solution by providing an desktop app or any other type of app to show the method proposed that is working. Ex: updating the XFA form by activating a PDF button programmatically. This needs a developer with good experience in working with iText since this should be the solution used to develop the projec...

    $1156 (Avg Bid)
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    15 ofertas
    Need website for my company 6 días left
    VERIFICADO

    I need website for my: Here is brief: MCQ Master is a company that provides comprehensive and up-to-date multiple choice questions and answers to help students succeed. Our team of experts works diligently to create high-quality materials that are aligned with current educational standards and are designed to support a variety of learning styles. We are committed to helping students achieve their goals and reach their full potential. Website should be creative and dynamic and it should content all my courses and details. you can ask questions. Will talk more once i finalize the bid.

    $858 (Avg Bid)
    $858 Oferta promedio
    10 ofertas
    Small changes on a WIX website 6 días left
    VERIFICADO

    Bid, only if you can do it today. I have added a video to my WIX website. When I play that video on the website, it pops up and starts playing. However, I want it (the video) to run without popping up so that I can view the entire web page at once. As I've shown in the attached screenshot, the video is playing in a small pop-up window with a black background. I want it to run automatically without popping up.

    $13 (Avg Bid)
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    6 ofertas
    Fix 406 Http error 6 días left
    VERIFICADO

    Fix 406 Http error , it is preventing us to fetch the website

    $14 (Avg Bid)
    $14 Oferta promedio
    17 ofertas
    VIDEO PLAYER Like Youtube Player 6 días left
    VERIFICADO

    I need video player for my video platform which can manage some functionalities change subtitles for different languages. Place Advertising in seected secund. MKV HLS Converting functionality. Changing video size options Same functionalities youtube and netflix players

    $1351 (Avg Bid)
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    43 ofertas
    Posts showing 6 días left

    I have a templete of Gatsby website and need to present post's list on the custom page, and them open each post. All Posts logic is in the project, also UI. Just need to implement Posts in the custom page

    $24 (Avg Bid)
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    3 ofertas

    Criar uma função em Nodejs que recebe um array de Urls, baixa os arquivos, compacta e retorna em um arquivo compactado

    $27 (Avg Bid)
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    7 ofertas
    Shopify Customization 6 días left
    VERIFICADO

    We need customization on Shopify Theme - front end changes such as : 1. Resizing of sections 2. Creating category circles 3. Adding promotion section in products page And a few more UI customisations We also need to improve website load time and performance.

    $106 (Avg Bid)
    $106 Oferta promedio
    35 ofertas

    The script could be integrated within a bat file which can be ran at the beginning of app usage and it should provide output data regarding CPU and RAM consumption while running said app.

    $145 (Avg Bid)
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    project title : one platform project front end: react js project back end: spring boot database: mysql/mongodb problem statement: A customer can have different bank accounts across different banks. Our main aim is to create a common platform so that a customer can access and manage all his bank accounts from the same application. The platform will provide the options to customers for using the banking features of the bank like money-transfer, transactions history, credit cards management etc. customers do not have to download and sign up for each bank's app they have account with. One platform app supports all bank's credit or debit cards

    $15 (Avg Bid)
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    5 ofertas
    React Native/C# Mobile App 6 días left
    VERIFICADO

    We are developing a lifestyle/time-management app for Android and iOS and have the majority of the functionality already done. We are looking to make some additional changes to the codebase but 80% of these are visual changes. The changes are drawn out in Figma. We use C#/.NET, React Native JS, MSSQL for the db. We have integrations with Google Maps, Stripe Payments, SendinBlue emails, and Twilio SMS.

    $928 - $1855
    Sellado Acuerdo de Confidencialidad
    $928 - $1855
    57 ofertas
    Need UI Screens in React 6 días left
    VERIFICADO

    I have designs of screens and need a candidate who can create EXACT UI screens in React with basic UI functionality like tabs and side drawers. I am attaching a sample screen here for reference.

    $155 (Avg Bid)
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    36 ofertas

    we have core php need to create desktop application for this project we want desktop solution for web browser website please connect interested only thanks

    $13 (Avg Bid)
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    4 ofertas

    Expert in catpcha like google and cloudflare need for develop node js proxy

    $1096 (Avg Bid)
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    58 ofertas
    I need to reverse a JS script 6 días left
    VERIFICADO

    I need to reverse some JS, I need to be able to read.

    $148 (Avg Bid)
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    57 ofertas

    urgently requirement for React js and React Native developer 2 to 3 years experience salary 6 LPA to 10 LPA ( do not apply if you are a company and agency ) ( ONLY FOR INDIA , INDORE )

    $801 (Avg Bid)
    $801 Oferta promedio
    18 ofertas
    Blockly/scratch 6 días left
    VERIFICADO

    I am seeking a proficient front-end developer who has proficiency in using Blockly/Scratch libraries to develop a project similar to the one found at this link "". Customization capability is crucial for this project. I would only consider hiring the developer if they could provide me with an exact video showing the example mentioned in the above link. Once they send the video i will hire them . I dont want anyone to send code before being hired, i just want a video recording of his work .if you are not familiar with Blockly or Scratch libraries, kindly refrain from applying for this position.

    $198 (Avg Bid)
    $198 Oferta promedio
    13 ofertas

    Hello. I need to implement theme for my system, the theme is ready made so no designing stuff is needed, the theme is built with React, NextJS, TypeScript, GrapQL, NextJS, and Tailwind CSS. The theme can be seen here: and other related information. The system which is used is PHP made multi-vendor ecommerce

    $520 (Avg Bid)
    $520 Oferta promedio
    49 ofertas

    We would like a simple program(script) that sits and waits to read from a USB RFID device the RFID card number and create a log. Type, ID, Date Time entrance, 09836735, 1/27/2023, 13:00 if when the card reads and the ID and date already is there then it automatically makes it as type exit Type, ID, Date Time exit, 09836735, 1/27/2023, 18:00 where the log can be something like this: Type, ID, Date Time entrance, 09836735, 1/27/2023, 13:00 entrance, 00063534, 1/27/2023, 13:10 entrance, 00036735, 1/27/2023, 14:30 entrance, 01068834, 1/27/2023, 15:10 exit, 09836735, 1/27/2023, 18:00 exit, 00036735, 1/27/2023, 18:30 at the end of the day the log is stored as a text delimited file with the filename of the date

    $176 (Avg Bid)
    $176 Oferta promedio
    19 ofertas
    Zombie clash NEON EVENT!!! 6 días left
    VERIFICADO

    It's a ROBLOX simulator. Where you fight zombies with your powers if you beat the level you go to the next level every level gets harder and harder. When you die you respawn at the beginning and depending on how far you got that is the number of coins you get there are pets and powers and please make it a neon theme. Also, can you make intro and logo?

    $121 (Avg Bid)
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    13 ofertas

    You must be a Linode expert and complete this project quickly. The successful freelancer will be chosen on ability to deliver very quickly and on price. This project is to take the files that I send you and upload them so that the website is fully functional for admin, students and tutors. I have a website that a previous developer took down. I want it re-uploaded. I want you to make sure that the database is also uploaded with the website. Note, with the backend, you will have to install node_modules in backend project My hosting is on Linode and so Linode expertise is required. I can send you the backend and front end backups. Our website uses JavaScript. MEAN stack & Angular version 10.0.11. We also currently also have Stripe and PayPal for both students payments in and tutor pa...

    $166 (Avg Bid)
    $166 Oferta promedio
    26 ofertas

    Good day, i please need help to fix a script that runs a database query on Wordpress. The target site is: This script worked without issues until some weeks ago. Now the requests do not work. If you type: - August L [..] - 2914 You should receive a positive result site. However, the script is pending. Also the requests are not stored anymore in database (see screenshot). The script was working without any issues until some weeks ago. The problem may be connected with changing PHP from 7.4 to 8.1. In the attachment you will find the active wordpress plugin. These are the rules for our cooperation - Read my task carefully - Check files careful - Make your final bid (no initial bid or hourly rate) - There will be no re-negotiation, the final bid counts - You will be awarded fo...

    $26 (Avg Bid)
    $26 Oferta promedio
    27 ofertas

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