Php script import csv file jobs

...multiple html file(hundreds to thousands), each html file contain multiple tables(vary from 15-35, depend on each html file). Python to extract specific table and vertically stack them together to create an Excel file.(first column add html filename.) inside html file is encoded in chinese, so must use chinese to view it. table name/string partially e.g. "現金流量表" or "被投資公司名稱" or "資金貸與他人"or "轉投資大陸地區" or other name(later can be change). extract table based on table names/string. the table may not be there(depend on the html). If so just skip or single row blank. have to be easy to read and maintain in the future. .py file(source code) not .exe binary file (I think it's not very hard. I�...

I need a POC Flutter project that runs on iOS based on these 4 Flutter pub packages: Developer need to already have xcode, flutter SDK,simulator etc. up and running and know how to import pub packages and navigate in the pub example code. 1. 2. 3. 4. And the functionality is very simple, so I basically just need the 1. Main templetate would be but with an additional screen using other 3 packages. 2. I will provide Okta ClientId and details for Okta App Application rough design: 01. Clone git and work from provided

I'm in need of an experienced PHP developer, well-versed in Core PHP and Wordpress Development. The ideal candidate must be able to work on various projects with the following requirements: - User Authentication and Authorization: The developer will need to create secure login and registration systems for our websites. - Database Integration and Management: Proficiency in MySQL is a must. The developer will be responsible for managing and integrating databases effectively into our sites. - Payment Gateway Integration: The developer will have to implement payment gateways, ensuring a smooth and secure payment process for our users. Ideal Skills: - Proficiency in Core PHP and Wordpress Development - Strong understanding and experience with MySQL - Previous experie...

I'm in search of a skilled PHP and CodeIgniter developer to help with a project that involves user registration and login, as well as database integration. Key Points: - The project involves user registration and login: You'll be responsible for setting up a smooth user registration and login process. - Database integration: Your task will include integrating the project with a database, ensuring data is stored and retrieved efficiently. - Minimalist design: The design aesthetic should be minimalist. Your Expertise: - Proficiency in PHP and CodeIgniter: We're seeking an individual with extensive experience in both PHP and CodeIgniter. - Prior experience with user registration and login systems. - Strong database integration skills. The project is E-c...

I'm looking for a skilled TouchDesigner and Python developer to create a script for automatically sending MOV videos as email attachments. Key Requirements: - Design and develop a Python script for TouchDesigner that can attach MOV videos to outgoing emails. - Ensure the script is robust, reliable and can handle various video sizes. - Email content doesn't need to be customized for each recipient, so a standard email template is sufficient. - Mail input from user side Your role will involve: - Understanding the project's requirements and the specific constraints of sending MOV videos via email. - Creating the necessary Python script within the TouchDesigner environment. - Testing and refining the script to ensure it performs reliably acro...

I have two APIs in PHP that need to be fixed, specifically regarding issues with user authentication. Key Requirements: - Fix API A and API B - Resolve the authentication problems - Ensure APIs are properly authenticating users Ideal Skills and Experience: - Strong experience with PHP - Proficiency in working with APIs - Prior experience in resolving authentication issues - Ability to troubleshoot and debug efficiently Please let me know about your prior experiences in fixing PHP APIs, especially with user authentication. Feel free to share examples of your previous work or any relevant details. Your proposal should outline your plan on how you intend to resolve the issues and demonstrate that you understand the project requirements.

I'm in search of a seasoned Pine script developer to design my custom strategy, which involves unique indicators. Here's what's needed: - Design and implementation of my custom strategy on Pine Script - Integration of specific custom indicators - Focus on clarity and user-friendliness Ideal Skills and Experience: The perfect candidate for this job will be proficient with Pine script, TradingView, and understand different types of trading indicators. Prior experience in developing custom scripts will be a significant plus. Application Requirements: I want to see your past work. Show me a project, situate it in context, and tell me about the challenges you faced. This project will require excellent communication, so use your application to demonstrate ...

I require a proficient PHP programmer to handle a variety of tasks on my project. These tasks will include: - Website development: The core of this project involves visualization of the key concepts, hence proficiency in creating efficient and visually appealing websites is a must. - Database integration: The website functionality will be backed by a responsive and robust database. Expertise in MySQL or similar database is critical. - Custom script development: You will need to develop tailored scripts to meet the specific needs of my project. Familiarity with CodeIgniter is essential for this project since we will be using this framework for our site. Given the complexity of the work, I prefer a mid-level developer who has substantial experience in the aforementioned areas...

...: 1. Php & SQL 2. Familiar with python installing & setting up environments 3. Experienced in Linux Debian & LNMP server by SSH 4. You need to know on how to run python scripts on debian by ssh, and setup cron task on debian, and debugging etc Personality's Criteria : 1. No toxic working environment 2. Agile, Responsive, and Fast Delivery 3. Collaborative as a team 4. Responsible, Credible, Reliable and Integrity person 5. No agency, only direct hiring ------ I'm looking for a skilled DevOps professional who can help in maintaining my server code. As the DevOps server code maintainer for this project, you will be responsible for: - Server Configuration and Setup: Ensuring the smooth operation of our Linux Debian SSH server. - Code Deployment and Version...

I need a professional to help me with my PES file resizing and correction for a cotton fabric project. Key Tasks: - Resize the design to fit within the 4x4 to 8x8 inches range - Digitize the design for optimal stitch density - Ensure the color scheme is correct and suitable for the final product (cotton fabric) You should have: - Proficiency in embroidery software, specifically with PES files - Experience in resizing and correcting embroidery designs - Understanding of different materials' requirements, especially cotton - Attention to detail - Portfolio of similar projects Please provide me with an overview of your experience and some examples of past work.

I need an experienced PHP Laravel developer to implement specific changes to my existing Customer Management System (CMS). My hot requirements are as follows: - Reporting Feature: I need the implementation of a Customer Activity Reports feature. The system should allow users to generate custom reports using the existing database. The reports should be detailed, accurate, and easily accessible. - UI Improvements: I'm not satisfied with the current UI of the system. I need the navigation to be simplified for better user experience. The interface should also be modernized with a new color scheme. Responsive design is a must for compatibility across all devices. The ideal candidate should have a deep understanding and a strong background in PHP Laravel, JavaScript, CSS/H...

I'm looking for a skilled PHP developer with experience in CodeIgniter for a new project in the e-commerce space. Ideal Skills and Experience: - Proficiency in PHP and CodeIgniter framework - Previous experience in e-commerce platform development - Strong understanding of front-end technologies, such as jQuery, JavaScript, HTML5, and CSS3 - Knowledge of MySQL and other relational databases - Familiarity with RESTful APIs and Web Services - Ability to work with version control systems like Git The primary goal of the project is to create a robust, scalable, and user-friendly e-commerce platform. The platform should be able to handle a large number of products, facilitate smooth transactions, provide a secure payment gateway, and have a user-friendly interface. A key par...

I'm looking for a PHP developer with substantial CodeIgniter framework expertise. The project at hand involves upgrading and optimizing an existing PHP application. Key Requirements: - Strong PHP skills and extensive experience with the CodeIgniter framework - Proficiency in MySQL database management for database optimization and management. - Familiarity with front-end development to be able to enhance the UI/UX as part of the upgrade. Your main responsibility will be to improve the existing codebase, making it more efficient and scalable. This will involve database optimizations, code refactoring, and possibly some UI/UX upgrades. An understanding of security best practices in web development will also be highly beneficial. If you have previous experience wi...

I'm looking for a skilled developer who can integrate WhatsApp API into my Wordpress website to allow for sending promotional messages to customers. Additionally, I need this feature further developed into a simple chatbot for automated responses. - Your primary tasks will include: - Setting up the WhatsApp API to the website - Configuring it to allow for sending messages to customers - Developing a basic chatbot functionality - Ensuring the chatbot can provide automated responses based on predefined rules You should have: - Proven experience in integrating APIs, specifically WhatsApp API - Proficiency in developing chatbots - Knowledge of Wordpress and it's capabilities for handling APIs - Good understanding of marketing and customer engagement - Strong problem-solving...

I have an Illustrator file that needs some text changes. All the new text content is ready, so the task mainly involves swapping out the existing text with the updated content. Ideal skills and experience for this project: - Proficiency in Adobe Illustrator - Strong attention to detail - Ability to follow instructions accurately Attached is a sample. Required modifications. 1. Change bar code. 2. Tidy up the text. 3. Duplicate the file and update some text. 4. Resend me with the right dimensions.

Hi Ishaq A., My Printer says that The logo file in one of the rewind bag artwork files for Mulberry Tree brand is too small. Can you please fix the logo and change to the two coloured versions used in the artwork

I'm seeking a skilled Pine Script developer with experience in TradingView. I need to modify an existing strategy to make it visually unique. The primary focus is on changing the color scheme, incorporating custom faces and icons, and implementing unique iconography. Key Requirements: - Modify an existing strategy on TradingView's Pine Script - Enhance the visual elements including color, faces, and icons - Utilize unique iconography to make the strategy distinct Ideal Skills: - Proficiency in Pine Script - Experience in creating and modifying trading strategies - Strong eye for visual design and aesthetics - Ability to implement custom faces and icons - Familiarity with unique iconography in trading strategies If you have prior experience in similar proj...

I have a 58-second audio file with speech that has been marred by background noise. I'm seeking a professional audio engineer who can clean up the file and remove the static, ensuring the final audio quality is as pristine as possible, with minimal to no background noise remaining. SECOND HALF OF AUDIO NEED TO CLARIFY VOICES- YOUNG BOY TALKING TO HIS FATHER WHO HAS PLANTED EVIDENCE FOR HIS OWN CRIME. NEED TO HEAR IT AS SOON AS POSSIBLE This task requires someone well-versed in audio editing who can preserve the original content while significantly reducing the presence of background noise AND PERHAPS LOWER THE OVERLAPPED FAKE POLICE YELLING ON TOP.... Experience with radio or similar audio content is a plus. ANYONE WHO CAN DO IT FAST.

...Python file that was running fine last night for data analysis purposes. However, after trying to upload the '' file to GitHub, I encountered an error due to the file size being too large for GitHub. I need to get the Python file running again, but with the '' file stored on an external service to work around the file size limitations of GitHub. Key requirements include: - Identifying and resolving the issue causing the Python file not to run - Storing the '' file on an external service and adjusting the Python code to access it from there Ideal Skills and Experience: - Proficiency in Python - Experience with data analysis and handling large datasets - Familiarity with version control, specifically u...

We are looking for a talented PHP Laravel Programmer to join our team and work on our B2B ecommerce website and app development. The ideal candidate will have a strong background in PHP and Laravel, with experience in building and maintaining ecommerce platforms. This is a remote position, offering the flexibility to work from anywhere. Key Responsibilities: Develop, test, and maintain high-quality ecommerce solutions using PHP, Laravel, MySQL, HTML, CSS, JavaScript, and related technologies. Collaborate with the design and product teams to implement new features and improvements. Optimize and enhance the performance of the website and app to ensure a seamless user experience. Troubleshoot and resolve issues as they arise, ensuring the stability and reliability of th...

I'm currently running CyberPanel version 2.3 with PHP 7.2 for hosting websites. I need to upgrade both CyberPanel and PHP to their latest stable versions. Key tasks involve: - Updating CyberPanel to the most recent stable version. - Upgrading PHP from 7.2 to the latest stable version (8.3). Ideal Freelancer: - Experienced in administering CyberPanel and PHP. - Proficient in upgrading server-side software. - Good understanding of website hosting environments.

As we delve further into the world of quilt design, our team needs a proficient quilting professional who is well-acquainted with HZZE quilting software. This task involves converting our simple vector design into a .DAT file suitable for our HZZE machine. The design has been created in Adobe Illustrator and isn’t intricate, it requires implementing straight stitching only. Your skills and experience in working with similar software and accomplishing related tasks would be pivotal to the success of this project. We look forward to seeing the design come to life.

...Intermediate or beginners please dont bother i do not have time to explain over and over again. So this is the requirements for the project: Inviter script must have some user friendly interface (HTML or app interface like Java or similar) Inviter script will take inputs of multiple Telegram API’s (accounts) total from 5 or 10 accounts a) API ID b) API Hash All API’s (Accounts) would be added to target channel/group as admins Script will read files where all accounts to be invited will be listed in the following format: @jacksparow @did738 @simao79 @wiro … The user file will contain anywhere from 1000-2000 users thats why i need script to be multithreaded and add Users from 10 Telegram API’s simultaneously b...

I'm looking for a skilled professional to create a 3D print file in STL format derived from an image I have. The project revolves around crafting a monochrome 3D model of a specific object within the provided image. Your tasks will involve: - Analyzing the image and focusing on the designated object. - Creating a 3D model of the object. - Generating an STL file for 3D printing in monochrome. Ideal candidates will have experience with 3D modeling, CAD software, and a keen eye for detail to accurately capture the object within the image. Please ensure your proficiency with STL file creation and monochrome 3D printing. Efficiency, precision, and ability to follow instructions closely are paramount for this task. Reach out if you demonstrate these skills. I am eager...

I am seeking a skilled professional to install and configure scripts purchased from CodeCanyon. The tasks include: Downloading and extracting files. Setting up and connecting the database. Uploading files to the server. Running the installer and finalizing the configuration. Troubleshooting any post-installation issues. If you are an expert who can ensure a fast and efficient installation, please contact me for more details.

...of selecting each option. The system must run on WordPress and work on it until it is 100% functional. My website is made with Wordpress + Elementor + acf STEP 2: After having the complete system in its entirety, you must import comments that are in a json, in said JSON are the perfumes + their comments and leave it linked and when you add manual comments to each entry, add them normally and add them without problem. The idea is to import all the perfumes + their comments. IT IS IN A JSON WHICH I ALREADY HAVE UPLOADED TO MY SERVER. IT WOULD JUST CREATE SOME SCRIPT TO MAKE THE INTRODUCTION OF THE DATA TO MY WEBSITE. EYE: You must tell me your prices and time, don't ask me my budget, just tell me when you charge and the time it will take and if you are 100...

...process of retrieving data from specific websites using CRM and CID numbers. The goal is to develop a script or tool that will: Look up Doctor's Specialization: Use CRM numbers to search on the website: CFM Doctors Search Extract doctor's information including their specialization. Look up Disease Descriptions: Use CID numbers to search on the website: MedicinaNet CID10 Search Extract the disease description. Deliverables: ( ) A script or tool that can take a list of CRM and CID numbers as input. Automate the search process on the specified websites. Extract the required data and compile it into an Excel file with separate sheets for doctors' information and disease descriptions. Requirements: Programming

I have a web application that runs on PHP and I'm looking to integrate it with APIs provided by multiple suppliers. These suppliers will send us three specific types of data through their APIs - customer information, product information, and order information. Key Requirements: - Connect the webapp with Supplier A, Supplier B, and Supplier C APIs. - Extract and process customer information, product information, and order information sent by these suppliers. - Display this data on the webpages of the application. - Store this data efficiently in a database. Skills and Experience: - Proficient in PHP and API integration. - Strong understanding of database management. - Experience in handling customer, product, and order data. - Detail-oriented to ensure accurate data ext...

I'm looking for a skilled professional who can migrate an existing voicemail manager system from Google Script (Javascript) to Office365. The primary purpose of this migration is to rebuild the system on a completely different platform. Key Requirements: - Proficient in Google Script (Javascript) - Familiar with Office365 platform - Previous experience with voicemail manager systems is a plus The ideal candidate for this project should have a strong background in both Google Script and Office365, with a particular focus on migration projects. Since the goal is to enhance the system's reliability, it is important that the freelancer has a good understanding of the intricacies of voicemail manager systems. The project's success will depend on the free...

I am in need of a Python developer with expertise in hardware oriented programming to add some additional functionality to an already written script of mine. The existing functions also need to be double-checked for correctness. Key requirements include: - Modify the existing Python script to incorporate the additional features required - Review the current script and ascertain that all existing functions are properly written and functioning as they should - Build a Debian OS image for COM (Computer-On-Module) installation that can be used to implement the updated python script seamlessly. Success in this role will require: - Proven experience with Python, specifically in writing and improving scripts with a focus towards integration with hardware - Solid kn...

I need a male voiceover artist to deliver a friendly, engaging voiceover for my Discord server's rules. The script is less than 50 words long and simply outlines the server regulations. Freelancers with previous experience in voiceover work, particularly in a casual and friendly tone will be ideal for this task. Understanding the nuances of Discord would be a plus.

Hello, I need convert a PDF invoice to Excel to import to our invoices software

I have a Python notebook containing well-structured code that effectively translates a sample of a large dataset from English to Arabic. However, the current code cannot handle the entire dataset due to its size. using : model_name = 'Helsinki-NLP/opus-mt-en-ar' Tasks: - Modify the existing Python code in t...sample of a large dataset from English to Arabic. However, the current code cannot handle the entire dataset due to its size. using : model_name = 'Helsinki-NLP/opus-mt-en-ar' Tasks: - Modify the existing Python code in the provided notebook to translate the entire dataset from English to Arabic. - Ensure the translated data is saved in two formats: Comma-Separated Values (CSV), and Apache Parquet (.parquet) - Provide the CSV and parquet files aft...

I'm in need of a prof...professional who can create a web-based file sharing script much like Dropbox or Zoho Wedrive. This project is geared towards individuals and requires the following key functionalities: - File Uploading and Downloading: The ability to upload and download files securely and seamlessly is a must. - File Versioning: Implementing a system that tracks and allows users to access previous versions of files is critical for this project. Ideal candidates should have extensive experience in web-based application development, particularly within the file-sharing niche. A solid understanding of data security, user experience, and scalability is also a plus. I'm looking for a proactive and highly skilled professional who can deliver...

I'm looking for a skilled developer to help me customize my current PHP SMS system. It's primarily used for sending notifications. I have the script and has been working with twilio, however all of a sudden it stopped working due to twilio changes I need assistance in modifying the script

...a repainting issue in my existing Pine Script strategy. The key details for this project are as follows: - **Specific Problem**: The current issue that I am experiencing is that my Pine Script strategy is repainting. This means the strategy is altering historical signals on the chart in an unrealistic way, which is making it difficult to accurately assess the strategy's performance. - **Modification Level**: I am open to a comprehensive overhaul of the script in order to provide a long-term, optimal solution. This may involve a significant revision of the code, but it is essential that the original logic and intended results of the strategy are maintained. - **Intended Use**: Once the repainting issue is fixed, I plan to use the corrected Pine Script st...

I'm looking for a skilled developer to assist with syncing an Excel file to my phpMyAdmin database. Key Requirements: - Real-Time Syncing: The sync should take place continuously in real-time. Any updates made to the Excel file should be reflected in my phpMyAdmin database instantly. Skills and Experience: - Proficient in Excel and phpMyAdmin - Experience in data syncing and database management - Familiarity with real-time data syncing No specific data validation or transformation is needed during the import process. The goal is to ensure that any changes made in the Excel file are accurately reflected in the existing database.

I am in need of a coder well-versed in Lua and experienced with IceSL. The task involves: - Developing a Lua script that can generate a 3D model. - The 3D model in question is a cycloidal gear and pinion element, generally employed In clock gears. Skills and Experience Required: Mechanical Engineer - Proficient in Lua scripting language. - Experience with IceSL for 3D modelling. This task requires an understanding of code as well as a foundational knowledge of mechanical engineering principles. If you possess these skills and experience, I'd love to hear from you. Please include any relevant work in your proposal.

I require a skilled translator to convert the Paine script to Arabic. This translation serves a dual purpose: making the script accessible to the Arabic-speaking audience and preserving its original meaning. It's intended for use within a TradingView indicator. Key Requirements: - Proficiency in both English and Arabic. - Familiarity with the Paine script. - Understanding of TradingView's indicator system. - Ability to maintain the script's tone and meaning during translation. Please include samples of your past work or relevant certifications in your bid.

I’m looking for an experienced system programmer who can create a batch file or script that performs a specific set of tasks on a local W10/11computer. The tasks I need accomplished are: - Connect to the remote QNX computer via SSH (Secure Shell)( login/ password in config file.) -send some command (must be configurable - Run certain commands via batch file on windows 10/11 computer. (Configurable) - Run local bat comands on Windows computer (configurable) - Send key combinations on Windows computer (configurable) Managing errors if they occurs. Keep CMD open for manually entering other commands ( in feature can be automated as another project or add-on) Prior experience with batch file creation and QNX systems is necessary. Proficiency in SSH co...

I'm in need of an Excel expert to enhance my files. The tasks include: - Removing duplicate rows - Fixing formatting issues - Merging two sheets into one Additionally, I would like to incorporate a corporate branding style in the file, utilizing appropriate colors and logos. Ideal Freelancer: - Proficient in Excel with experience in data cleaning - Skilled in formatting and merging multiple sheets - Familiar with incorporating corporate branding within Excel

...Scope: The series should consist of 15 scripts, covering topics from Beginner to Medium levels. We make no books for AI-experts. Pages: 15-25 per script You can use ChatGPT for this Writing Guidelines: You can utilize ChatGPT or similar AI tools to assist in writing the content. Ensure all content is original and not copied from other books to comply with copyright laws. Write in a conversational style, as the scripts will be converted into audiobooks. Free visual graphics are welcome but not mandatory. If you use images, ensure they are properly licensed and provide the license information below the image and again collectively at the end of the script. AI Expertise: While using AI tools for content generation, you must have a solid understanding of AI to proofread and en...

...compatible with both web and mobile platforms. Programming Language: - While I have no specific preferences for the programming language, developing the AI agent using Google App Script is preferred for the first version. However, feel free to propose alternative languages that can efficiently meet the project requirements. Ideal Skills: - Proficiency in AI development, with a focus on chatbots, automated responses, and data retrieval. - Bilingual proficiency in English and Hebrew would be an advantage. - Experience in creating and deploying AI agents for web and mobile platforms. - Competency in Google App Script development would be highly appreciated. - Abilety to show samples of similar projects you did. Feel free to ask any further questions for clarification. Look...

I am trying to integrate custom theme into wordpress . My intention is for each section of the website to react dynamically in wordpress so that I can build my site in wordpress itself. I need help to complete this process as I am facing a lot of errors.

I need a skilled PHP developer to help me with a bug that's causing our login functionality to malfunction. Key Requirements: - The bug currently prevents users from logging in, and an error message is displayed upon failure - We need this bug fixed so that users can successfully log in without any issues Ideal Skills and Experience: - Proven experience in PHP development, particularly with login systems - Strong debugging skills to identify and rectify the issue - Solid understanding of database connections in PHP - Good communication skills to understand the problem and provide a timely fix

I desire a professional Macrodroid developer with a strong portfolio to create a macro for any use. The objective of the macro is to read a CSV file and automatically send a specific WhatsApp message to each phone number listed in the file. Key requirements include: - import a CSV file (Name,Given Name,Additional Name,Family Name,Phone 1 - Type,Phone 1 - Value) - Creation of a macro that automatically triggers WhatsApp messages. - The macro should be programmed to initiate the messages when it reaches a phone number listed in the CSV file. - The message is from CSV or default the same for all numbers in the CSV file. Ideal Candidate: - Proficiency and extensive experience working with Macrodroid. - A proven tr...

This is my website link I have used "Classima – Classified Ads WordPress Theme" theme. I want to upload date from xls sheet. Excel attached for your reference. Raduus Theme is not providing support and they only provides category and location import options. Can you help me to import data

I'm in need of an all-round developer who has strong experience in both Python and PHP, specifically for the creation of an e-commerce website. The desired professional should be well-versed in crafting custom web solutions as well as knowledgeable in leveraging the WordPress CMS beneficially. Skills and Experience Required: - Demonstrated expertise in Python and PHP web development. - Proven experience in developing successful e-commerce websites. - Proficiency with WordPress CMS. - Understanding of e-commerce website security essentials. - Articulate in communicating project progress and potential hurdles. Freelancers who can showcase previous work on similar projects will be given priority. I look forward to your enticing bids and am eager to form a productive pa...

I need a skilled Pine Script coder for TradingView to help with extracting code from a restricted invite-only script. This script is accessible to me but is otherwise restricted. Key Responsibilities: - Extract the code from the restricted script - Perform major modifications as needed (e.g., changing algorithm, adding/removing features) Ideal Skills and Experience: - Strong experience in Pine Script coding for TradingView - Proven track record of extracting and modifying code from restricted or invite-only scripts - Ability to make significant changes to a given algorithm, indicator or strategy

I'm seeking a Django/ Java Script with Bootstrap expert who can assist with the layout and design of my website atplands.com. The primary goal of this project is to update the site's visual appearance. My website: Reference downloadable Theme code: Key tasks include: - Reviewing the current website and providing recommendations for improvements - Collaborating with the team to create a new, fresh look for the site - Ensuring the new design is functional and user-friendly Ideal skills for this project include: - Strong experience with Django/ Java Script with Bootstrap - Proven track record of working on front-end development using JavaScript/Bootstrap - A good eye for design and layout - Ability to understand and implement JavaScript