Products related to JavaScript:
-
JavaScript Patterns
What's the best approach for developing an application with JavaScript?This book helps you answer that question with numerous JavaScript coding patterns and best practices.If you're an experienced developer looking to solve problems related to objects, functions, inheritance, and other language-specific categories, the abstractions and code templates in this guide are ideal -- whether you're writing a client-side, server-side, or desktop application with JavaScript.Written by JavaScript expert Stoyan Stefanov -- Senior Yahoo!Technical and architect of YSlow 2.0, the web page performance optimization tool -- JavaScript Patterns includes practical advice for implementing each pattern discussed, along with several hands-on examples.You'll also learn about anti-patterns: common programming approaches that cause more problems than they solve. * Explore useful habits for writing high-quality JavaScript code, such as avoiding globals, using single var declarations, and more * Learn why literal notation patterns are simpler alternatives to constructor functions * Discover different ways to define a function in JavaScript * Create objects that go beyond the basic patterns of using object literals and constructor functions * Learn the options available for code reuse and inheritance in JavaScript * Study sample JavaScript approaches to common design patterns such as Singleton, Factory, Decorator, and more * Examine patterns that apply specifically to the client-side browser environment
Price: 27.99 £ | Shipping*: 0.00 £ -
Quick JavaScript
Are you an experienced programmer who wants to get started quickly in JavaScript and the HTML DOM?This is your book. Do you need encyclopedic knowledge of JavaScript and/or the HTML DOM?This book is not for you. Are you a novice who wants to learn to program? This book is not for you. In fact, this language is not for you. Get a good Python book. This book will get you programming in JavaScript as quickly as possible.In addition, it will provide you with a basic understanding of the Document Object Model, the massive data structure used to represent web pages.With these tools, you will be able to build interactive web pages. If you program in C++ or Java, there are parts of the book you can skip over because the JavaScript statements are exactly the same.These parts are clearly marked. JavaScript is the language—the only language—used by browsers.To create interactive web pages, you need to know both JavaScript and the DOM.This book will get you started.
Price: 22.99 £ | Shipping*: 3.99 £ -
Beginning JavaScript
The bestselling JavaScript guide, updated with current features and best practices Beginning JavaScript 5th Edition shows you how to work effectively with JavaScript frameworks, functions, and modern browsers, and teaches more effective coding practices using HTML5.This new edition has been extensively updated to reflect the way JavaScript is most commonly used today, introducing you to the latest tools and techniques available to JavaScript developers.Coverage includes modern coding practices using HTML5 markup, the JSON data format, DOM APIs, the jQuery framework, and more.Exercises with solutions provide plenty of opportunity to practice, and the companion website offers downloadable code for all examples given in the book. Learn JavaScript using the most up to date coding styleUnderstand JSON, functions, events, and feature detectionUtilize the new HTML5 elements and the related APIExplore new features including geolocation, local storage, and more JavaScript has shaped the Web from a passive medium into one that is rich, dynamic, and interactive.No matter the technology on the server side, it's JavaScript that makes it come alive in the browser.To learn JavaScript the way it's used today, Beginning JavaScript, 5th Edition is your concise guide.
Price: 36.00 £ | Shipping*: 0.00 £ -
JavaScript Masterclass : A comprehensive guide to mastering JavaScript programming
Price: 31.99 £ | Shipping*: 0.00 £
-
How can you open local files with JavaScript?
You can open local files with JavaScript using the FileReader API. First, you need to create an input element of type file in your HTML and then use JavaScript to listen for changes in the input element. When a file is selected, you can use the FileReader API to read the contents of the file and perform any necessary operations on it. Keep in mind that for security reasons, JavaScript running in a web browser has limited access to the local file system.
-
How can you read the content of a local file in JavaScript?
To read the content of a local file in JavaScript, you can use the FileReader API. First, you need to create an input element of type file in your HTML to allow the user to select a file. Then, you can use the FileReader object to read the content of the selected file. Once the file is read, you can access its content using the FileReader's result property. Remember that due to security restrictions, JavaScript running in a browser can only read files that the user has explicitly selected through a file input element.
-
How can one read the content of a local file in JavaScript?
To read the content of a local file in JavaScript, you can use the File API. You can create an input element of type file in your HTML and then use JavaScript to read the file content using the FileReader object. Once the file is selected by the user, you can use the FileReader object to read the content of the file and access it in your JavaScript code for further processing. Remember that due to security restrictions, JavaScript running in a web browser typically cannot directly read files from a user's local file system without the user explicitly selecting the file through an input element.
-
How do I store a variable in the local storage of JavaScript?
To store a variable in the local storage of JavaScript, you can use the `localStorage` object. You can set an item in the local storage by using the `setItem` method, like this: `localStorage.setItem('key', 'value')`. This will store the variable with the specified key in the local storage. To retrieve the variable from the local storage, you can use the `getItem` method, like this: `var myVariable = localStorage.getItem('key')`. This will retrieve the value associated with the specified key from the local storage. Remember that the local storage is persistent and will remain even after the browser is closed.
Similar search terms for JavaScript:
-
Programming JavaScript Applications
Take advantage of JavaScript's power to build robust web-scale or enterprise applications that are easy to extend and maintain.By applying the design patterns outlined in this practical book, experienced JavaScript developers will learn how to write flexible and resilient code that's easier - yes, easier - to work with as your code base grows.JavaScript may be the most essential web programming language, but in the real world, JavaScript applications often break when you make changes.With this book, author Eric Elliott shows you how to add client- and server-side features to a large JavaScript application without negatively affecting the rest of your code.Examine the anatomy of a large-scale JavaScript application Build modern web apps with the capabilities of desktop applications Learn best practices for code organization, modularity, and reuse Separate your application into different layers of responsibility Build efficient, self-describing hypermedia APIs with Node.js Test, integrate, and deploy software updates in rapid cycles Control resource access with user authentication and authorization Expand your application's reach through internationalization
Price: 31.99 £ | Shipping*: 0.00 £ -
Javascript For Kids
JavaScript is the programming language of the Internet, the secret sauce that makes the Web awesome, your favorite sites interactive, and online games fun!JavaScript for Kids is a lighthearted introduction that teaches programming essentials through patient, step-by-step examples paired with funny illustrations.You ll begin with the basics, like working with strings, arrays, and loops, and then move on to more advanced topics, like building interactivity with jQuery and drawing graphics with Canvas.Along the way, you ll write games such as Find the Buried Treasure, Hangman, and Snake.You ll also learn how to: Create functions to organize and reuse your code Write and modify HTML to create dynamic web pages Use the DOM and jQuery to make your web pages react to user input Use the Canvas element to draw and animate graphics Program real user-controlled games with collision detection and score keeping With visual examples like bouncing balls, animated bees, and racing cars, you can really see what you re programming.Each chapter builds on the last, and programming challenges at the end of each chapter will stretch your brain and inspire your own amazing programs.Make something cool with JavaScript today! Ages 10+ (and their parents!)
Price: 32.99 £ | Shipping*: 0.00 £ -
Conquering JavaScript : Three.js
Have you ever considered how these visuals and games are shown in a web browser?What technology is at the heart of it? Of course, employing HTML and CSS alone will not be sufficient.Three.js is a free JavaScript toolkit for displaying images, 3D, and 2D objects in web browsers that enables you to render graphics and 3D objects on a canvas in the web browser using your GPU (Graphics Processing Unit). Conquering JavaScript: Three.js helps the reader master the Three.js framework for faster and robust development.The book is a detailed guide that will help developers and coders do more with Three.js.It covers the basics in brief, and then moves on to more advanced and detailed exercises to help readers quickly gain the required knowledge. Key Features:Examines JavaScript specific content, with emphasis on graphics libraries. Discusses using Three.js for animated graphic creation. Provides code optimization tips and solutions. This book is a valuable reference for Three.js developers as well as those involved in game development, mobile apps, progressive applications, and now even desktop apps.
Price: 39.99 £ | Shipping*: 0.00 £ -
Simplifying JavaScript : Writing Modern JavaScript with ES5, ES6, and Beyond
The best modern JavaScript is simple, readable, and predictable.Learn to write modern JavaScript not by memorizing a list of new syntax, but with practical examples of how syntax changes can make code more expressive.Starting from variable declarations that communicate intention clearly, see how modern principles can improve all parts of code.Incorporate ideas with curried functions, array methods, classes, and more to create code that does more with less while yielding fewer bugs.It's time to write JavaScript code that's clean and exprssive.Modern JavaScript is more simple, predictable, and readable than ever.Discover how to write better code with clear examples using principles that show how updated syntax can make code better with fewer bugs.Starting from the ground up, learn new syntax (or how to reuse older syntax) to transform code from clunky bug-susceptible scripts to clear and elegant programs that are easy to read and easy to extend.Create a foundation for readable code with simple variable declarations that reduce side effects and subtle bugs.Select collections with clear goals instead of defaulting to objects or arrays.See how to simplify iterations from complex loops to single line array methods.Master techniques for writing flexible and solid code ranging from high-order functions, to reusable classes, to patterns for architecting large applications creating applications that will last while through rounds of refactoring and changing requirements.The best part is there's no need to read this book straight through.Jump around and incorporate new functionality at will.Most importantly, understand not just what the new syntax is, but when and how to use it.Start writing better code from the first page. What You Need: For the best experience, have the latest version of Node installed (at least version 7).You can test most examples in the console of Chrome or other modern web browser.If you'd like to run the tests, you'll also need to install the latest version of Node Package Manager (npm).
Price: 38.50 £ | Shipping*: 0.00 £
-
Wanted: JavaScript help
If you need JavaScript help, you can post your query on online forums like Stack Overflow or Reddit's programming communities. You can also consider hiring a freelance JavaScript developer through platforms like Upwork or Freelancer. Additionally, there are many online resources and tutorials available for learning JavaScript, such as Codecademy or Mozilla Developer Network.
-
Is JavaScript difficult?
JavaScript can be difficult for some people, especially those who are new to programming or have limited experience with it. However, with practice and dedication, many people find that they can become proficient in JavaScript. The language has a wide range of uses and can be quite powerful, so the effort put into learning it can be very rewarding. Overall, while JavaScript may be challenging at first, it is definitely possible to learn and master with time and effort.
-
Is JavaScript free?
Yes, JavaScript is free to use. It is an open-source programming language that can be used by anyone without any cost. JavaScript is supported by all major web browsers, making it accessible to developers worldwide. Additionally, there are many resources available online for learning and using JavaScript for free.
-
Is JavaScript disabled?
No, JavaScript is not disabled by default in most web browsers. However, users have the option to disable JavaScript in their browser settings if they choose to do so. It is important for web developers to consider the possibility of JavaScript being disabled and ensure that their websites still function properly without it.
* All prices are inclusive of VAT and, if applicable, plus shipping costs. The offer information is based on the details provided by the respective shop and is updated through automated processes. Real-time updates do not occur, so deviations can occur in individual cases.