Web page maker predefined javascript jobber
We have an exciting project that requires the expertise of a talented Full Stack Web Developer. Key Requirements: - Proficiency in HTML/CSS, JavaScript, and Python. - Familiarity with Angular, React, and Django. - Ability to implement user authentication, payment integration, and social media integration. This project will involve a wide variety of tasks and responsibilities, and we're looking for a developer who can bring their full skill set to the table. The ideal candidate is someone who is not only technically skilled, but also creative, resourceful, and able to work well with other team members. If you believe you have the necessary skills and experience, we'd love to hear from you. Impressive portfolios or past project examples are highly recommended.
I'm looking for a proficient web designer who specializes in Shopify theme development. This project is about bringing to life an aesthetic that is minimalistic yet elegant. Key requirements to be included: - This design should radiate a feeling of simplicity and sophistication, appealing to our target audience, adults aged 26-50. - An integrated online store function is a must-have. It needs to be user friendly, smooth and intuitive. Ideal candidates should possess a portfolio of past work that aligns with this aesthetic. Skills desired are not only limited to design but also user experience to ensure optimal customer journey within our website. Mastery in Shopify’s Liquid, HTML, CSS, and JavaScript is critical. Please provide examples of similar work done prev...
...high-quality landing pages (daily about 5 and this is ongoing project..) - User-friendly, Web and Responsive design with clear call-to-action elements - Develop and maintain websites using PHP, HTML, JavaScript/jQuery, CSS (Bootstrap, Tailwind), CMS (WordPress). - Collaborate with the marketing team to align website designs with digital marketing strategies. Implement additional functionalities using MySQL, PostgreSQL, MongoDB, CodeIgniter. The primary goal for these landing pages is to generate leads. It's essential that the design and functionality of the landing pages are optimized for lead conversion. Ideal Skills: - Proficiency in PHP, HTML, JavaScript/jQuery, CSS (Bootstrap, Tailwind), JavaScript and CMS (WordPress). - Proficien...
The client portal dashboard is experiencing an issue where the graphs and charts are no longer displaying. Ideal Skills and Experience: - Strong experience in debugging front-end issues - Proficiency in JavaScript and data visualization libraries - Knowledge of client portal systems Key Points: - The issue is limited to the graphs and charts not displaying. Other elements appear to be functioning correctly. - The problem is consistent across all web browsers. - No recent updates or changes have been made to the dashboard that could have triggered this issue. You will be expected to: - Identify the root cause of the problem - Implement a solution that will restore the proper display of graphs and charts without affecting other elements of the dashboard.
NO AUTO BIDS - ONLY ZENDESK PRO! 'm in search...experienced developer skilled in Zendesk API integration for a project related to airline claim forms. I will provide you parts of the template and you will add the form, calculations, API integration and ticket creations. The website should be built in Laravel or secure platform. If you know about EC261 claims it makes it way easier to choose you. You will do the following: - Create a form which is predefined through parameters and questions. - Add airline and airport database and organize the data with live search preview. - Calculations based on airport distance and claim form. - Zendesk ticket creation along with correct ticket numer and relevant information. - Multilingual form and site (Swedish and English). Need someone...
I'm looking for someone who can tune our automated calling system to serve as an advanced scheduler to organize meetings with qualified lea...This system would play a key role in our lead generation strategy using AI. So here are some key elements I need your help with: - Customization of the automation tool for efficient scheduling of meetings via call using AI. - Collection of relevant data during lead generation processes, with a specific focus on holding qualified meetings. - Define a 'qualified meeting' as one where a decision maker is present and is intrigued by our product/service. The ideal candidate for this role would have substantial experience in AI and familiarity with automated call scheduling systems. If you think you can add value to this project, I...
...need a skilled web developer to duplicate 785 WordPress pages within 1 hour. The project involves customization of the URL and page title to align with specific city names provided in an Excel sheet. Key Requirements: - Duplicate 785 WordPress pages quickly and accurately - Customize the URL and title of each page according to its respective city - Ensure that the formatting and layout of the duplicated pages remain consistent with the original - Provide a high level of detail and accuracy to maintain the integrity of the multi-location business promotion strategy Ideal Skills and Experience: - Proficiency in WordPress and web development - Ability to work quickly and accurately under time constraints - Strong attention to detail to ensure correct customiza...
We have a JavaScript-based web application that provides assistance with content creation tasks using AI. We are looking for a full-stack developer to extend its functionality. Our tech stack is: JavaScript, HTML, CSS, Node.js, MongoDB, , and Handlebars. You should have experience in integrating open-source libraries and building user interfaces, etc. Please elaborate on your skill set and relevant experience in your application.
...experiencia como desarrollador web especializado en Joomla y Drupal. Esta persona será responsable de diseñar, desarrollar y mantener sitios web utilizando estas plataformas de gestión de contenidos. Deberá tener un sólido conocimiento de HTML, CSS, JavaScript y PHP, así como experiencia en la creación de temas y plugins personalizados. Responsabilidades: - Desarrollar y mantener sitios web utilizando Joomla y Drupal. - Crear temas y plugins personalizados según las necesidades del cliente. - Colaborar con el equipo para garantizar la funcionalidad y usabilidad de los sitios web. - Realizar pruebas de rendimiento y optimización de los sitios. Requisitos: - Licenciatura en Sistemas, Info...
Hey Slamet, I'm hiring you to do the Website Translation, New TVG Tech Proposals Design, and CRM Page.
I'm seeking a skilled developer to construct a detailed and efficient web application that will manage the docking of vehicles based on set priorities in real-time. Here's a detailed breakdown of the project: - Programming Language: The web app is to be developed using JavaScript, so proficiency in this language is essential. - Real-Time Updates: Real-time updates are a crucial aspect of this project, meaning that the system should be able to allocate vehicles to docks swiftly and efficiently as priorities change. - Dock Management: The core function of the application is to manage the docking of vehicles based on the priority given for each against time (backend). This includes real-time adjustments as priorities change. - Google Sheets Integration(addition...
...Software Engineers. - Contributes to business requirement definition and use case design as technical expert. - Serves as a go-to person for technical questions and provides mentoring and knowledge sharing to other Software Engineers at all levels. Ideal Skills and Experience: - Proven experience as a Java Full Stack Developer - Strong understanding of front-end technologies (e.g., HTML, CSS, JavaScript) - Expertise in back-end development (e.g., Svelte) - Experience in React or Angular will be a big plus - Proficiency in database management Please note that familiarity with the existing frameworks or technologies used in the application is a bonus, although not mandatory. The ability to collaborate effectively, adhere to project timelines, and communicate clearly are also ess...
Need a responsive HTML page with a button, following functionality should only apply to a mobile device view (width < 780px) Once clicked the camera app should launch with an overlay frame, the overlay should include 2 buttons: A 75% transparent camera icon should capture the picture once clicked. The red button should close the camera app with the overly Once a picture is taken a confirmation page should show the recently taken picture with an overlay asking for confirmation and an button for retake (see confirmation page) Once the picture has been confirmed an asynchronous process should start compressing the picture on the client side and upload it to a digital ocean space. The application should be to capture the remaining pictures and display the confirmati...
I need a landing page that can effectively convert visitors into leads. The page should include the following elements: - Contact Form: A simple but effective form that gathers visitor information. - Testimonials: Positive feedback from previous customers to build trust. - FAQ Section: Clear answers to common doubts or questions visitors might have. - Service Display: I am looking for a carousel/slider layout to showcase our services. The ideal candidate for this project should have: - Experience in landing page design, particularly with lead-generation in mind. - Proficiency in integrating and customizing contact forms. - Ability to create compelling testimonials templates. - Skills in designing clear and user-friendly FAQ sections. - Proficiency in carousel/slider ...
I'm in need of a freelancer who can edit the page number on my ebook. The current page number is 45, and I need it to be changed to 69. Key Requirements: - The ebook is in JPEG format so knowledge of working with this format is essential. - The page numbers are embedded as text rather than graphics. Ideal Freelancer: - Proficient in ebook editing. - Experienced with working on JPEG files. - Thorough attention to detail to ensure the page number change is seamless.
I'm looking for a skilled freelancer to handle Facebook ads and page management for a retail client in South Africa. The main goals are to increase brand awareness and foot traffic to their 40 stores. The freelancer will be responsible for running highly targeted ads for each store location and managing three store-specific Facebook pages to increase brand awareness, drive foot traffic, and enhance online engagement. Key requirements: - Target Audience: Local residents - Content Style: Primarily product highlights and promotional offers Scope of Work: The selected freelancer will be responsible for the following tasks: 1. Campaign Creation & Management: Develop highly targeted ad campaigns for each individual store location. Create compelling ad copy and visuals tailored...
I'm seeking an expert in Fullcalendar integration for my website. The primary functionality I'm keen on is enabling users to edit events. Key Requirements: - Develop a Fullcalendar ...integration for my website. The primary functionality I'm keen on is enabling users to edit events. Key Requirements: - Develop a Fullcalendar plugin that integrates seamlessly with my website. - Implement a user-friendly, intuitive event editing feature. - Ensure the calendar's design is cohesive with my site. Ideal Skills: - Proven experience in Fullcalendar integration. - Proficiency in JavaScript, PHP and HTML. - Strong understanding of UX/UI design. - Previous experience with similar projects will be a plus. If you have the expertise and creativity needed for this task, ...
I'm in need of an experienced web designer who can bring my vision to life. Here's what I'm looking for: - An information-based single-page scrolling website. - The site is to include the following sections: 'About us', 'Services', 'Contact information', 'Testimonials', 'Upcoming Workshop', and 'Donate'. - I value usability and modern, attractive design. - Skills in Wordpress or any other modality that will help me to update information about upcoming workshop and events on my own - Edit about us page as business grows on my own Please place your bid with examples of prior work similar to this. I look forward to partnering with you on this project.
...your responses to carefully designed questions and matches you with schools that best suit your child's needs and your preferences. This comprehensive approach caters to diverse user styles and provides reliable information for confident decision-making. We plan to expand across the MENA region, adapting to each country's unique educational landscape. Project Description: We are seeking a skilled web developer to create the Minimum Viable Product (MVP) for our educational platform. This initial version will focus on core functionalities to validate our business model and gather user feedback. The MVP will serve as the foundation for future development, ultimately mirroring the established website (shared later). Objectives: • MVP Development: Build a user-friend...
I'm seeking a talented web designer with strong HTML skills to update my product cards. The goal is to make them more modern, sleek, and engaging. Key Requirements: - **Style:** You'll need to embrace a modern-looking & sleek design aesthetic, ensuring the cards align with my vision for a polished and contemporary look. - **Card Elements:** The most important elements on these cards are the product image, the AI Chatbot Name, and a compelling CTA that reads 'Tap here'. These need to be showcased in a way that's visually appealing and intuitive for users. - The page will be used for mobile only. We can have the cards where the user swipes left to view more. Ideal Skills and Experience: - **HTML/CSS Expertise:** You should have a strong background...
I'm in need of a WordPress expert who can take on two key tasks for my website: website developm...development and website maintenance. Your skills should ideally include: - Proficiency in WordPress plugin development, with a focus on creating a professional and formal contact form. - Experience in website migration, ensuring a smooth and seamless transition. - Expertise in website maintenance -Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery -Experience building user interfaces for websites and/or web applications Your contribution will be central to the enhancement of my website's interactive interface. I anticipate a project that combines technical rigor with a keen eye for formal, professional design aesthetics. Let'...
...with integrating truck GPS systems, Google Maps API and any other required programming language, potentially the use of an Airtable database for seamless communication and data exchange. - Ability to design and develop a fully integrated website that allows customers to view available skip bin sizes, schedule deliveries, and manage bookings. - Strong understanding of web development technologies such as HTML, CSS, JavaScript, and frameworks like React or Angular. - Openness to suggestions and recommendations for enhancing software system functionality and website design. Benefits: - Opportunity to work on an innovative project with a forward-thinking skip bin business. - Flexibility to work remotely and manage your own schedule. - Potential for ongoing collaborati...
A website needed to promote a boutique artisanal cider maker in the UK. Showcasing products and telling a story . Past food and drink projects would be a bonus Skills and Experience: - Proficient in web development, particularly in creating brand promotion websites. - Experience in designing and implementing product showcases. - A good understanding of user experience and how to create an engaging, visually appealing webpage.
I'm in need of a skilled developer, who can create a minimalistic, clean and efficient landing page to help me generate leads. The page will have a focus on simplicity without sacrificing the essential elements needed for lead generation. Key Points: - Aim: The ultimate goal of this project is to effectively capture the interest of potential clients and gather their contact information. - Form Fields: The page must include form fields to collect users' name, email address and phone number. - Aesthetic: The design needs to be minimalistic and clean, with a strong focus on usability and user experience. - Functionality: In addition to the lead generation form, the page should be coded in a way that ensures it's responsive, fast-loading and SEO-fri...
I'm looking for an experienced WordPress developer to create a custom shipping calculator plugin that int...plugin should support both express and standard shipping options. This will allow customers on my e-commerce site to choose their preferred shipping speed. Ideal candidates for this project should have: - Strong experience with WordPress plugin development - Prior experience with Japan Post shipping services or other international logistics integrations - Proficiency in PHP, and possibly, JavaScript - Knowledge of e-commerce and online shopping platforms - Good communication skills to ensure all requirements are met If you have the necessary skills and are confident in your ability to deliver a high-quality, efficient plugin, I'd love to discuss this proje...
I'm seeking a proficient Front-End Web Developer with specialized skills in React. Working on my project would primarily involve: - Developing user facing features using React.js - Building reusable components and front-end libraries for future use - Translating designs and wireframes into high-quality code The ideal candidate should possess: - Strong proficiency in JavaScript, HTML, CSS, DOM manipulations and the React.js - A thorough understanding of React.js and its core principles - Experience with popular React.js workflows (such as Flux or Redux) - Familiarity with RESTful APIs Having clear communication skills and the ability to work collaboratively is paramount for this role. Experience and comfort working in agile project environments is strongly desired.
Description: We are looking for an experienced WordPress devel...with our WordPress theme and create new pages for our SaaS-based website. The ideal candidate should have expertise in WordPress development, theme customization, and creating responsive web pages. Responsibilities: Identify and fix issues with our WordPress theme. Customize the theme to align with our brand guidelines. Create new pages for our SaaS-based website, ensuring they are mobile-responsive and user-friendly. Optimize website performance and speed. Requirements: Proven experience as a WordPress developer. Strong proficiency in PHP, HTML, CSS, and JavaScript. Experience with theme customization and page creation. Familiarity with SaaS-based websites and best practices. Ability to work independe...
I am looking for a skilled developer or team to integrate WhatsApp Business Cloud API with my existing application. The core functionalities I aim to implement include: • Scheduling of messages: My system should be able to populate and send messages at predefined times. • Real-time communication updates: I need the app to relay notifications instantly when messages are received and seen. Given that the existing application is built on a Web platform, an ideal candidate for this job would have extensive knowledge and experience with Web development and protocols, cloud services API integration, and specifically experience with WhatsApp Business Cloud API. Familiarity with systems that opt for no specific platform will also be useful. Please apply with rel...
I'm having trouble with the page anchors on a specific page of my WordPress site. Currently, the page anchors are not working as they should. Key Tasks: - Identify the root cause of the issue with page anchors - Resolve the issue so the page anchors work smoothly I have already checked for any HTML errors on the page. The problem still persists, so I need an expert to dive deeper and troubleshoot the specific issue with the page anchors on this page. Ideal Skills & Experience: - Proficiency in WordPress and its features - Strong understanding of HTML - Proven experience in troubleshooting similar issues
...Implement modern styling and animations to enhance the overall design - Integrate an image and background to improve the visual appeal further - The form should collect a single field of information, specifically the 'New Target' The form only has about 5 or 6 fields that are passed to it. The form is opened through a Python Flask app. Ideal skills and experience: - Proficiency in HTML, CSS, and JavaScript - Strong sense of modern design and user experience - Experience with animations and background images - Ability to create a professional, visually appealing form that aligns with modern design standards - Detail-oriented to ensure layout and spacing are optimized for user interaction - Experience in form creation and knowledge of best practices for information co...
...that fit the branding guidelines of my projects. Final designs should be delivered in JPEG, PNG, and PDF formats. It's important that the designs adhere to some key preferences and guidelines I have, including: - Specific colors and color schemes: There are certain color combinations that I would like to see in the designs. - Incorporating specific images or graphics: Some designs will have predefined images or graphics that need to be integrated seamlessly. - Following a specific style or theme: I have a particular style and theme that I would like the final designs to adhere to. Ideal candidates for this project should have a strong portfolio of digital art and design work, showcasing their versatility in using both Photoshop and Corel Draw. The ability to execute photo ...
I am in need of a Django developer to build an application to help me manage the attendance of my team. Key Points: - The app should have a user-friendly interface fo...build an application to help me manage the attendance of my team. Key Points: - The app should have a user-friendly interface for manual input of attendance. - The core functionality required is daily attendance record keeping. Skills and Experience: - Proficient in Django and Python. - Strong understanding of front-end technologies like HTML, CSS, and JavaScript. - Prior experience in developing web applications, particularly single-page applications. - Familiarity with database management systems. Please only apply if you can deliver a reliable, user-friendly attendance management system within th...
I'm in need of an SDK designed specifically for IoT devices. This SDK should be compatible with C++ and JavaScript for ease of integration with a variety of IoT applications and platforms. The primary focus of the SDK should be on ensuring seamless data communication between IoT devices. This is crucial for ensuring that devices can exchange data efficiently and in a standardized manner. Ideal candidates for this project should have: - Strong experience in SDK development, particularly for IoT devices - Proficiency in C++ and JavaScript - Understanding of data communication protocols used in IoT systems - Ability to deliver a well-documented and easy-to-integrate SDK - Familiarity with security considerations in IoT systems (though this project does not require dire...
...can assist our team with front-end and back-end work. Your primary task will be improving a wide developpement based on Frappé, with future opportunities to work on potential custom module development projects. Key Responsibilities: - Backend development - Frontend development Our dev tool : Skills and Experience: - Proficiency in Frappeframework (Python and JavaScript) is essential - Prior experience in working with the Frappe framework Your expertise in these tasks will streamline the project and ensure a high-quality outcome, creating a strong foundation for our future collaborations. WE WORK ONLY WITH INDIVIDUAL FREELANCE DEVELOPPER. NO STAFFING COMPANIES. NO INTERMEDIATE...
I'm looking for a skilled professi...Teachable account. Key deliverables: - You'll be tasked with moving 1-5 pages from ClickFunnels to Teachable, ensuring that each is an exact replica in terms of design. - The functionality of these pages must remain consistent too, ensuring that my content remains engaging and interactive for my users. Ideal Candidate: - Proficient in both ClickFunnels and Teachable platforms. - Prior experience in page transfer between the two platforms. - A keen eye for detail and design, ensuring that the replicated pages are identical in both look and feel. - Ability to maintain the pages' functionality without any compromise. Please note, if you have any suggestions to enhance the migrated pages, I'm open to hearing your input. Lookin...
Key Responsibilities: Develop, code, and manage a robust and scalable codebase for web and mobile applications. Architect and program backend solutions while integrating with various cloud hosting platforms like AWS and Digital Ocean. Design and deploy modern frontend user interfaces using the latest UI design kits and technologies. Build secure, scalable mobile app REST APIs. Implement and manage databases using MySQL and NoSQL. Utilize DevOps tools to monitor and scale applications effectively. Requirements: At least 3 years of software development experience. Strong proficiency with LAMP and MEAN tech stacks, including extensive use of PHP, CSS, and JavaScript libraries/frameworks. Excellent command of English and ability to communicate effectively in chat. Availability to...
I'm looking for a talented web developer who can create a conversion-centric landing page for selling e-books. My aim is to optimize e-book sales, bolstered by a properly set up Facebook ads campaign. Your tasks will include: - Creating a compelling landing page designed to convert visitors into customers. - Integrating a secure payment gateway into the sales page. The perfect candidate for this job would be someone with: - Extensive experience in web development and design, specifically with e-commerce platforms. - Strong familiarity with secure payment gateway setup. - Proven track record with Facebook ad campaign set up for e-commerce. - Knowledge of digital product marketing, especially for e-books. This job requires precision and close atte...
I'm looking for JavaScript developer who can create web app where will be 1 million cube with function on click to cube need redirect other page but here important work fast I'm trying to do with Canvas but when I'm rendering 1 million cube it's having problem. Contact me if you think you can ready to do not need beginner.
I need a simple Login Page using Sign-in with Google for authentication. - Setting up Google sign-in on Login page - Get Google ID Token after authentication - Send the token to a server route for user creation. - This does not require collecting additional information during the user sign up process beyond what's standard with Google Sign-in. - Note the focus of this project is specifically on the sign-up process of new users.
I'm looking for a designer who can make one single lead-generation landing page for a website of mine. The main goal of the website landing page is to collect contact information from potential customers. from an ad campaign on click of CTA button, this landing page has to come up. I will prefer the generated leads to get accumulated on an excel sheet if its possible. I WILLNOT RESPOND BACK TO people who bid blindly by sending their portfolios.
I am creating a crowdfunding page and need an artist to help draw all the required images. The requirements are in the Google doc linked. Style - Somewhere between MonopolyGo and Pixar Document Link: Reference Page:
I'm seeking a skilled Full Stack Web Developer to create my e-commerce website from scratch. It's crucial that you have strong expertise in JavaScript/Node.js and React.js - these are the chosen tech stack for the project. Key Skills and Experience Required: • Proficient in JavaScript/Node.js for back-end development • Considerable knowledge and experience working with React.js for the front-end • E-commerce website development experience • Knowledge of integrating various payment gateways I expect beautiful UI, seamless user experience and a secure, robust back-end. Examples of your past e-commerce website projects, especially built using JavaScript/Node.js and React.js, would assure me of your capability to deliver quality...
I am in need of a skilled Chatfuel developer who can help me create a chatbot that will be integrated with WhatsApp, support multiple languages and have specific functionalities. Key Functionalities: - Automated Responses: The bot should be able to handle basic queries and provide predefined responses. - User Data Collection: The bot should be able to collect user data so that we can better understand our audience and tailor future interactions. Additional Requirements: - Support for Multiple Languages: The chatbot should be able to communicate in several languages. - Streamlining User Experience: The bot should be intuitive, easy to use, and provide a seamless user experience. Skills and Experience: - Proficiency in Chatfuel: The ideal candidate should have a strong background i...
I am in search of a skilled frontend developer who will bring their expertise. You should be proficient in HTML, CSS, JavaScript, and jinja2. If you have experience with React and Angular, that's even better! The primary goal for this project will be to create a user-friendly interface with a responsive design, and ensure smooth page transitions. This is a sharp, clean design project. You need to re-design this website - make it more attractive and mobile friendly.
I am looking for an experienced website developer who can help me design an informative website primarily targeting adult users. - Main Obje...informational website that can engage adults in a meaningful and interactive way. Ideal Skills and Experiences: - Proven experience in website development, specifically in creating user-friendly interfaces. - Ability to embed text articles, images, and videos effectively. - An understanding of audience engagement and SEO best practices. - Proficiency in front-end languages such as HTML, CSS, JavaScript and server-side languages such as Python or PHP. The chosen individual should have a keen eye for design, be easy to communicate with and be able to execute my vision accurately. Please, only bid on this project if you can fulfil these req...
...seeking a skilled WordPress expert who can help me revise my landing page. This includes: - Modifying the layout specifically the body section for improved aesthetics and user experience. - Overhauling the content to ensure it aligns with my updated brand message and current offerings. The ideal freelancer for this task should be experienced in WordPress and has an excellent track record of enhancing the look and functionality of landing pages. It would be beneficial if you could share your experience tackling similar tasks in your application. Remember, I am not just looking for someone who can do the job, I am looking for someone who lives and breathes WordPress and can provide valuable inputs on how to make my landing page more user-friendly and engaging. Your exper...
I'm looking for a skilled Shopify developer to build a modern and minimalist online store. Key Requirements: - The main focus of this store will be fashion items, so it's crucial that the design and layout are geared towards showcasing these products effectively. - It's important that you have a good understanding of e-commerce best practices, particularly in relation to fashion retailing. Ideal Candidate: - Experience with Shopify design and development is a must. - A strong portfolio of previous e-commerce sites, especially those in the fashion industry, would be highly beneficial. - A keen eye for design and a good understanding of modern, minimalist aesthetics would be a big advantage. Please get in touch if you have the experience and skills to take on this project.
I am seeking an eligible developer to build a high-fidelity prototype for an Android app using Kotlin, Java and Jetpack Compose. Key features I anticipate in the app include: - Writing unit tests to validate the code for ensuring smooth app functionality. The developer must work on a predefined design, fully functional prototype reflecting the actual app. I am interested in developers who have experience in Android development particularly with Kotlin, Java, and Jetpack Compose. Knowledge of unit testing is necessary.
