32124 Development courses

Sharing & Networking - Christmas tree recycling programmes. Session aimed at tree recycling fundraisers THIS SESSION WILL NOT BE RECORDED

CPD Certified | 8-in-1 Premium Diploma | 1 Free PDF Certificate | Updated Lesson Plan | Tutor Support

Are you interested to learn about digital currencies and blockchain technology from the basics to mastering advanced investment strategies? Also, do you want to unlock the potential of the digital economy with our cryptocurrency course? If you are looking for these answers, enrol in our course now. Our course is designed to give you the skills and knowledge you need to succeed in the world of digital currencies. In this course, you will get knowledge about what cryptocurrencies are, their background, advantages, and disadvantages. Then the course covers several cryptocurrencies and the blockchain technology that supports them. Also, you will learn about bitcoin mining as well as the regulations around digital currencies and how to treat them for tax purposes. Consequently, you will discover the confidentiality of cryptocurrencies and get to know about the difficulties regulators face in implementing them. Finally, you will understand the potential market and regulatory developments in the future for the digital currency. Learning outcome: At the end of this course, you will: Describe the history of cryptocurrencies and the technology that supports them. Give a brief overview of the various types of cryptocurrencies. Describe blockchain technology in depth and how it relates to cryptocurrencies. Describe the legal issues raised by using cryptocurrency. Discuss safe ways to save your cryptocurrency. Summarise the steps involved in bitcoin mining and provide advice on how to succeed. Discuss potential future developments for cryptocurrencies. This Bundle Consists of the following Premium courses: Course 01: Cryptocurrency: Wallets, Investing & Trading Course 02: Cryptocurrency and Bitcoin Margin Trading on Binance Guide Course 03: Cryptocurrency Mining Online Course Course 04: Cryptocurrency/Forex/Stock Market Trading with Elliot waves Course 05: Bitcoin Payment in Your Business Course 06: Become the Best Salesperson - Buying Selling Bitcoin Course 07: Java Certification Cryptography Architecture Course 08: Basics Blockchain Course 09: Integration of Blockchain dapps with WEB3.JS Course 10: Advanced Blockchain Coding Course 11: Data Center Training Essentials: General Introduction Course 12: Business Intelligence and Data Mining Masterclass Course 13: Encryption Course 14: Level 3 Cyber Security Benefits you'll get choosing Apex Learning: Pay once and get lifetime access to 14 CPD courses Certificates, student ID for the title course included in a one-time fee Free up your time - don't waste time and money travelling for classes Accessible, informative modules designed by expert instructors Learn at your ease - anytime, from anywhere Study the course from your computer, tablet or mobile device CPD accredited course - improve the chance of gaining professional skills How will I get my Certificate? After successfully completing the course, you will be able to order your CPD Accredited Certificates (PDF + Hard Copy) as proof of your achievement. PDF Certificate: Free (For The Title Course) Hard Copy Certificate: Free (For The Title Course) Curriculum of the Bundle Course 01: Wallets, Investing & Trading Welcome to the Course! Introduction How to Purchase Any Cryptocurrency Wallets & Storage | How to Setup & Add Cryptocurrency to Wallets Trading | Technical Analysis, Candlestick Charts & Strategies BONUS SECTION: Steemit | How to Get Started on Steemit And Much More..... CPD 140 CPD hours / points Accredited by CPD Quality Standards Who is this course for? Individuals who are interested in learning more about this technology. Investors looking to expand their portfolio to include cryptocurrencies. Entrepreneurs looking to start a business in cryptocurrency. Financial professionals seeking to understand the implications of cryptocurrencies on the economy and financial markets. Requirements Our Cryptocurrency is fully compatible with PC's, Mac's, laptops, tablets and Smartphone devices. This course has been designed to be fully compatible with tablets and smartphones so that you can access your course on Wi-Fi, 3G or 4G. There is no time limit for completing this course; it can be studied in your own time at your own pace. Career path After completing this course the learner will be able to pursue a career in the relevant field. Here are the career choices one could go for: Stockbroker: Salary: £24,000 to £125,000 Investment analyst: Salary: £22,000 to £65,000 Certificates Certificate of completion Digital certificate - Included

Join our CSS Fundamentals course and discover your hidden skills, setting you on a path to success in this area. Get ready to improve your skills and achieve your biggest goals. The CSS Fundamentals course has everything you need to get a great start in this sector. Improving and moving forward is key to getting ahead personally. The CSS Fundamentals course is designed to teach you the important stuff quickly and well, helping you to get off to a great start in the field. So, what are you looking for? Enrol now! You will Learn The Following Things: Learn strategies to boost your workplace efficiency. Hone your skills to help you advance your career. Acquire a comprehensive understanding of various topics and tips. Learn in-demand skills that are in high demand among UK employers This course covers the topic you must know to stand against the tough competition. The future is truly yours to seize with this CSS Fundamentals. Enrol today and complete the course to achieve a certificate that can change your career forever. Details Perks of Learning with IOMH One-to-one support from a dedicated tutor throughout your course. Study online - whenever and wherever you want. Instant Digital/ PDF certificate 100% money back guarantee 12 months access Process of Evaluation After studying the course, an MCQ exam or assignment will test your skills and knowledge. You have to get a score of 60% to pass the test and get your certificate. Certificate of Achievement Certificate of Completion - Digital/PDF Certificate After completing the CSS Fundamentals course, you can order your CPD-accredited Digital/PDF Certificate for £5.99.  Certificate of Completion - Hard copy Certificate You can get the CPD Accredited Hard Copy Certificate for £12.99. (Each) Shipping Charges: Inside the UK: £3.99 International: £10.99 Who Is This Course for? This CSS Fundamentals is suitable for anyone aspiring to start a career in relevant field; even if you are new to this and have no prior knowledge, this course is going to be very easy for you to understand.  On the other hand, if you are already working in this sector, this course will be a great source of knowledge for you to improve your existing skills and take them to the next level.  This course has been developed with maximum flexibility and accessibility, making it ideal for people who don't have the time to devote to traditional education. Requirements There is no prerequisite to enrol in this course. You don't need any educational qualification or experience to enrol in the CSS Fundamentals course. Do note: you must be at least 16 years old to enrol. Any internet-connected device, such as a computer, tablet, or smartphone, can access this online course. Career Path The certification and skills you get from this CSS Fundamentals Course can help you advance your career and gain expertise in several fields, allowing you to apply for high-paying jobs in related sectors. Course Curriculum Unit 01: CSS in Context Module 01: What Was CSS Originally Intended To Do? 00:07:00 Module 02: DEMO: The Most Basic CSS Usage 00:07:00 Module 03: Responsive Design 00:02:00 Module 04: Chapter Summary 00:02:00 Unit 02: Overview of CSS Module 01: What is CSS? 00:04:00 Module 02: Where Can You Find CSS? 00:03:00 Module 03: What CSS Can and Can't Do 00:02:00 Module 04: Optional Demo - Serving an HTML Application 00:05:00 Module 05: How Do we Add CSS to a Website? 00:04:00 Module 06: Demo - Adding CSS to a Website 00:06:00 Module 07: CSS Selectors 00:03:00 Module 08: Demo - Using CSS Selectors 00:05:00 Module 09: Module Summary 00:01:00 Unit 03: Styling HTML Elements with CSS Module 01: Why do We Style CSS Elements? 00:03:00 Module 02: CSS and Fonts 00:03:00 Module 03: DEMO: Styling Text with CSS 00:07:00 Module 04: Sizing HTML Elements with CSS 00:06:00 Module 05: DEMO: Sizing HTML Elements with CSS 00:08:00 Module 06: Colorizing HTML Elements with CSS 00:05:00 Module 07: DEMO: Colorizing HTML Elements with CSS 00:07:00 Module 08: Summary of this Chapter 00:01:00 Unit 04: Arranging Elements with CSS Module 01: Introduction 00:01:00 Module 02: Adding Margin with CSS 00:01:00 Module 03: Advanced Positioning with CSS 00:04:00 Module 04: DEMO: Positioning Elements Absolutely and Relatively 00:07:00 Module 05: Positioning HTML Elements with Float 00:02:00 Module 06: DEMO: Positioning HTML Elements with Float 00:07:00 Module 07: Summary of this Course 00:04:00

Are you ready to embark on an enlightening journey of wisdom with the Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle, and pave your way to an enriched personal and professional future? If so, then Step into a world of knowledge with our bundle - Functional Skills IT with Microsoft Excel, IoT & ICT Training. Delve into eight immersive CPD Accredited courses, each a simple course: Course 1: IT Administration and Networking Course 2: Microsoft Excel Course Course 3: ICT: Information and Communication Technology Course 4: Start an IT Asset Department Course 5: CompTIA IT Fundamentals ITF+ (FCO-U61) Course 6: Recruitment: IT Basics for IT Recruiters Course 7: Web Application Penetration Testing Course Course 8: Internet of Things Traverse the vast landscapes of theory, unlocking new dimensions of understanding at every turn. Let the Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle illuminate your path to wisdom. The Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle offers a comprehensive exploration into a rich tapestry of vast knowledge across eight carefully curated courses. The journey is designed to enhance your understanding and critical thinking skills. Each course within the bundle provides a deep-dive into complex theories, principles, and frameworks, allowing you to delve into the nuances of the subject matter at your own pace. In the framework of the Functional Skills IT with Microsoft Excel, IoT & ICT Training package, you are bestowed with complimentary PDF certificates for all the courses included in this bundle, all without any additional charge. Adorn yourself with the Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle, empowering you to traverse your career trajectory or personal growth journey with self-assurance. Register today and ignite the spark of your professional advancement! So, don't wait further and join the Functional Skills IT with Microsoft Excel, IoT & ICT Training community today and let your voyage of discovery begin! Learning Outcomes: Upon completion of the Functional Skills IT with Microsoft Excel, IoT & ICT Training Bundle, you will be able to: Attain a holistic understanding in the designated areas of study with the Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle. Establish robust bases across each course nestled within the Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle. Decipher intricate concepts through the articulate content of the Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle. Amplify your prowess in interpreting, scrutinising, and implementing theories. Procure the capacity to engage with the course material on an intellectual and profound level. Become proficient in the art of problem-solving across various disciplines. Stepping into the Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle is akin to entering a world overflowing with deep theoretical wisdom. Each course within this distinctive bundle is an individual journey, meticulously crafted to untangle the complex web of theories, principles, and frameworks. Learners are inspired to explore, question, and absorb, thus enhancing their understanding and honing their critical thinking skills. Each course invites a personal and profoundly enlightening interaction with knowledge. The Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle shines in its capacity to cater to a wide range of learning needs and lifestyles. It gives learners the freedom to learn at their own pace, forging a unique path of discovery. More than just an educational journey, the Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle fosters personal growth, enabling learners to skillfully navigate the complexities of the world. The Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle also illuminates the route to a rewarding career. The theoretical insight acquired through this bundle forms a strong foundation for various career opportunities, from academia and research to consultancy and programme management. The profound understanding fostered by the Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle allows learners to make meaningful contributions to their chosen fields. Embark on the Functional Skills IT with Microsoft Excel, IoT & ICT Training journey and let knowledge guide you towards a brighter future. CPD 100 CPD hours / points Accredited by CPD Quality Standards Who is this course for? Individuals keen on deepening their firm understanding in the respective fields. Students pursuing higher education looking for comprehensive theory modules. Professionals seeking to refresh or enhance their knowledge. Anyone with a thirst for knowledge and a passion for continuous learning. Requirements Without any formal requirements, you can delightfully enrol in this Functional Skills IT with Microsoft Excel, IoT & ICT Training Bundle. Career path Armed with the Functional Skills IT with Microsoft Excel, IoT & ICT Training bundle, your professional journey can reach new heights. The comprehensive theoretical knowledge from this bundle can unlock diverse career opportunities across several fields. Whether it's academic research, consultancy, or programme management, this bundle lays a solid groundwork. Certificates CPD Certificate Of Completion Digital certificate - Included 8 Digital Certificates Are Included With This Bundle CPD Quality Standard Hardcopy Certificate (FREE UK Delivery) Hard copy certificate - £9.99 Hardcopy Transcript: £9.99

Unlock the potential of the thriving residential property market with our comprehensive course designed for ambitious individuals seeking to excel in property sales. Whether you're a newcomer or looking to refine your expertise, this course delves into the essentials of real estate valuation, legal intricacies, and financial nuances associated with buying and selling homes. Gain a deep understanding of property appraisal, including insights into basic building construction and identifying potential defects. Master the skills needed to navigate the complex landscape of property transactions, ensuring you can confidently manage records and systems, while staying abreast of relevant UK tax regulations. Key Features: CPD Certified Free Certificate Developed by Specialist Lifetime Access Imagine having the knowledge to assess the true value of a home and the expertise to guide clients through the entire sales process seamlessly. Our course equips you with the tools to analyse market trends, understand the financial aspects of property transactions, and comprehend the legal framework governing residential sales. With a focus on practical applications, you'll learn how to manage property sales from listing to closing, ensuring every transaction is smooth and successful. Embrace the opportunity to transform your understanding of residential property sales and step into a realm of new possibilities. Course Curriculum Module 01: Introduction to Residential Property Sales Module 02: Valuation of Real Estate Module 03: Law Relating to Residential Property Sales Module 04: Residential Agency Module 05: Finances Involved in Buying and Selling Property Module 06: Property Appraisal and Basic Building Construction and Defects Module 07: Records and Systems Module 08: UK Tax on Property Learning Outcomes: Understand key concepts in residential property sales. Conduct accurate valuations of residential real estate. Apply laws relevant to residential property sales. Manage residential property agency operations effectively. Navigate finances in property buying and selling. Identify construction defects in property appraisals. CPD 10 CPD hours / points Accredited by CPD Quality Standards Who is this course for? Aspiring real estate agents. Property valuation enthusiasts. Individuals interested in property law. Prospective home buyers. Real estate finance learners. Career path Real Estate Agent Property Valuer Residential Property Lawyer Real Estate Financial Advisor Property Appraiser Residential Property Manager Certificates Digital certificate Digital certificate - Included Will be downloadable when all lectures have been completed.

Are you ready to dive into the dynamic world of property management? Our comprehensive course, "Property Management: Tenancy Agreement, Listing and Letting," equips you with essential knowledge and skills to excel in this burgeoning field. Key Features: CPD Certified Free Certificate Developed by Specialist Lifetime Access In this course, learners will explore the world of property management, gaining a comprehensive understanding of how to effectively manage properties. They will learn about the regulations that govern property management and how these affect their responsibilities. The course will cover insights into the UK property market, identifying opportunities for growth and adaptation. Learners will discover strategies for listing properties and effective marketing techniques to attract tenants. They will delve into the letting process, including drafting tenancy agreements and maintaining long-term tenant relationships. Throughout the course, learners will grasp the entire property management process, from initial setup to ongoing maintenance and tenant management. They will also understand the crucial role and responsibilities of a property manager, equipping them with the knowledge needed for successful property management in various contexts. Course Curriculum Module 01: Introduction to Property Management Module 02: Regulations of Property Management Module 03: Changes in the UK Property Market: An Opportunity Module 04: Listing Properties and Marketing Module 05: The Letting Process and Tenancy Agreement Module 06: Keeping Tenants Long Term Module 07: The Property Management Process Module 08: The Role and Responsibilities of a Property Manager Learning Outcomes Understand principles of property management and industry regulations in the UK. Identify market changes and leverage opportunities in property management. Demonstrate proficiency in listing properties and effective marketing strategies. Manage the letting process and draft comprehensive tenancy agreements professionally. Implement strategies to ensure tenant satisfaction and long-term tenancy. Execute the property management process efficiently and ethically. CPD 10 CPD hours / points Accredited by CPD Quality Standards Who is this course for? Individuals interested in property management roles. Professionals transitioning into property management careers. Existing property managers seeking formal training. Real estate agents looking to expand their skill set. Investors wanting to manage their own rental properties. Career path Letting Agent Property Manager Estate Agent Property Consultant Property Administrator Landlord Certificates Certificate of Completion Digital certificate - Included Will be downloadable when all lectures have been completed.

Overview Uplift Your Career & Skill Up to Your Dream Job - Learning Simplified From Home! Kickstart your career & boost your employability by helping you discover your skills, talents, and interests with our special Affinity Designer Course. You'll create a pathway to your ideal job as this course is designed to uplift your career in the relevant industry. It provides the professional training that employers are looking for in today's workplaces. The Affinity Designer Course is one of the most prestigious training offered at Skillwise and is highly valued by employers for good reason. This Affinity Designer Course has been designed by industry experts to provide our learners with the best learning experience possible to increase their understanding of their chosen field. This Affinity Designer Course, like every one of Skillwise's courses, is meticulously developed and well-researched. Every one of the topics is divided into elementary modules, allowing our students to grasp each lesson quickly. At Skillwise, we don't just offer courses; we also provide a valuable teaching process. When you buy a course from Skillwise, you get unlimited Lifetime access with 24/7 dedicated tutor support. Why buy this Affinity Designer ? Lifetime access to the course forever Digital Certificate, Transcript, and student ID are all included in the price Absolutely no hidden fees Directly receive CPD Quality Standard-accredited qualifications after course completion Receive one-to-one assistance every weekday from professionals Immediately receive the PDF certificate after passing Receive the original copies of your certificate and transcript on the next working day Easily learn the skills and knowledge from the comfort of your home Certification After studying the course materials of the Affinity Designer there will be a written assignment test which you can take either during or at the end of the course. After successfully passing the test you will be able to claim the PDF certificate for free. Original Hard Copy certificates need to be ordered at an additional cost of £8. Who is this course for? This Affinity Designer course is ideal for Students Recent graduates Job Seekers Anyone interested in this topic People already work in relevant fields and want to polish their knowledge and skills. Prerequisites This Affinity Designer does not require you to have any prior qualifications or experience. You can just enrol and start learning. This Affinity Designer was made by professionals and it is compatible with all PCs, Macs, tablets, and smartphones. You will be able to access the course from anywhere at any time as long as you have a good enough internet connection. Career path As this course comes with multiple courses included as a bonus, you will be able to pursue multiple occupations. This Affinity Designer is a great way for you to gain multiple skills from the comfort of your home.

Overview Uplift Your Career & Skill Up to Your Dream Job - Learning Simplified From Home! Kickstart your career & boost your employability by helping you discover your skills, talents, and interests with our special Basic Procrastination Solution Course. You'll create a pathway to your ideal job as this course is designed to uplift your career in the relevant industry. It provides the professional training that employers are looking for in today's workplaces. The Basic Procrastination Solution Course is one of the most prestigious training offered at Skillwise and is highly valued by employers for good reason. This Basic Procrastination Solution Course has been designed by industry experts to provide our learners with the best learning experience possible to increase their understanding of their chosen field. This Basic Procrastination Solution Course, like every one of Study Hub's courses, is meticulously developed and well-researched. Every one of the topics is divided into elementary modules, allowing our students to grasp each lesson quickly. At Skillwise, we don't just offer courses; we also provide a valuable teaching process. When you buy a course from Skillwise, you get unlimited Lifetime access with 24/7 dedicated tutor support. Why buy this Basic Procrastination Solution? Lifetime access to the course forever Digital Certificate, Transcript, and student ID are all included in the price Absolutely no hidden fees Directly receive CPD QS-accredited qualifications after course completion Receive one-to-one assistance every weekday from professionals Immediately receive the PDF certificate after passing Receive the original copies of your certificate and transcript on the next working day Easily learn the skills and knowledge from the comfort of your home Certification After studying the course materials of the Basic Procrastination Solution there will be a written assignment test which you can take either during or at the end of the course. After successfully passing the test you will be able to claim the pdf certificate for free. Original Hard Copy certificates need to be ordered at an additional cost of £8. Who is this course for? This Basic Procrastination Solution course is ideal for Students Recent graduates Job Seekers Anyone interested in this topic People already working in the relevant fields and want to polish their knowledge and skills. Prerequisites This Basic Procrastination Solution does not require you to have any prior qualifications or experience. You can just enroll and start learning. This Basic Procrastination Solution was made by professionals and it is compatible with all PCs, Macs, tablets, and smartphones. You will be able to access the course from anywhere at any time as long as you have a good enough internet connection. Career path As this course comes with multiple courses included as a bonus, you will be able to pursue multiple occupations. This Basic Procrastination Solution is a great way for you to gain multiple skills from the comfort of your home. Unit 01: First Concepts and Brain Chemistry Introduction and First Concepts 00:02:00 The Science behind Procrastination 00:09:00 How Procrastination Can Destroy You 00:09:00 Unit 02: How to Beat Beating Procrastination Manage Your Time - Manage Your Life 00:11:00 How Highly Successful Individual 00:06:00 Unit 03: Additional Strategies for Beating Procrastination Good Vs Bad Procrastination 00:08:00 Don't Be Afraid to Say No 00:06:00 Unit 04: Final Thoughts and Ideas Final Thoughts and ideas 00:02:00 Assignment Assignment -Basic Procrastination Solution

Overview Uplift Your Career & Skill Up to Your Dream Job - Learning Simplified From Home! Kickstart your career & boost your employability by helping you discover your skills, talents, and interests with our special Basic Asynchronous JavaScript Course. You'll create a pathway to your ideal job as this course is designed to uplift your career in the relevant industry. It provides the professional training that employers are looking for in today's workplaces. The Basic Asynchronous JavaScript Course is one of the most prestigious training offered at Skillwise and is highly valued by employers for good reason. This Basic Asynchronous JavaScript Course has been designed by industry experts to provide our learners with the best learning experience possible to increase their understanding of their chosen field. This Basic Asynchronous JavaScript Course, like every one of Study Hub's courses, is meticulously developed and well-researched. Every one of the topics is divided into elementary modules, allowing our students to grasp each lesson quickly. At Skillwise, we don't just offer courses; we also provide a valuable teaching process. When you buy a course from Skillwise, you get unlimited Lifetime access with 24/7 dedicated tutor support. Why buy this Basic Asynchronous JavaScript? Lifetime access to the course forever Digital Certificate, Transcript, and student ID are all included in the price Absolutely no hidden fees Directly receive CPD QS-accredited qualifications after course completion Receive one-to-one assistance every weekday from professionals Immediately receive the PDF certificate after passing Receive the original copies of your certificate and transcript on the next working day Easily learn the skills and knowledge from the comfort of your home Certification After studying the course materials of the Basic Asynchronous JavaScript there will be a written assignment test which you can take either during or at the end of the course. After successfully passing the test you will be able to claim the pdf certificate for free. Original Hard Copy certificates need to be ordered at an additional cost of £8. Who is this course for? This Basic Asynchronous JavaScript course is ideal for Students Recent graduates Job Seekers Anyone interested in this topic People already working in the relevant fields and want to polish their knowledge and skills. Prerequisites This Basic Asynchronous JavaScript does not require you to have any prior qualifications or experience. You can just enroll and start learning. This Basic Asynchronous JavaScript was made by professionals and it is compatible with all PCs, Macs, tablets, and smartphones. You will be able to access the course from anywhere at any time as long as you have a good enough internet connection. Career path As this course comes with multiple courses included as a bonus, you will be able to pursue multiple occupations. This Basic Asynchronous JavaScript is a great way for you to gain multiple skills from the comfort of your home. Basic Asynchronous JavaScript An Async Javascript Scenario 00:02:00 Defining Asynchronous / What is Synchronous code? 00:04:00 WORKSHOP -Exploring Synchronicity in JavaScript 00:09:00 All About Asynchronous Code 00:06:00 Course Roadmap 00:01:00 What is setTimeout? 00:05:00 DEMO - Delaying Code Execution with setTimeout 00:10:00 What is setInterval? 00:02:00 DEMO - Repeating Tasks with setInterval 00:07:00 Chapter Summary 00:01:00 What is Async / Await? 00:03:00 What are Promises? 00:02:00 DEMO - Wrapping setTimeout with a Promise 00:05:00 All About Async 00:02:00 DEMO - Performing Asynchronous Tasks Concisely with Async / Await 00:12:00 What are JavaScript Generator Functions? 00:02:00 Demo - Asynchronous JavaScript via generators 00:08:00 Course Summary 00:02:00 Assignment Assignment -Basic Asynchronous JavaScript