Asynchronous JavaScript is everywhere, whether youâ re using Ajax, AngularJS, Node.js, or WebRTC. This practical guide shows intermediate to advanced JavaScript developers how Promises can help you manage asynchronous code effectivelyâ including the inevitable flood of callbacks as your codebase grows. Youâ ll learn the inner workings of Promises and ways to avoid difficulties and missteps when using them.
The ability to asynchronously fetch data and load scripts in the browser broadens the capabilities of JavaScript applications. But if you donâ t understand how the async part works, youâ ll wind up with unpredictable code thatâ s difficult to maintain. This book is ideal whether youâ re new to Promises or want to expand your knowledge of this technology.
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Daniel Parker is a software developer focused on web and mobile applications. He writes JavaScript for Evernote in Austin, Texas and is the organizer of the Austin Google Developer Group.
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Zustand: New. Asynchronous JavaScript is everywhere, whether you re using Ajax, AngularJS, Node.js, or WebRTC. This practical guide shows intermediate to advanced JavaScript developers how Promises can help you manage asynchronous code effectively-including the inevitabl. Bestandsnummer des Verkäufers 31406664
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Taschenbuch. Zustand: Neu. Neuware - If you're a developer moving to an environments that make heavy use of asynchronous APIs, such as Node, WinRT, or Chrome packaged apps, this book teaches you how to make use of promise constructs. JavaScript routinely supports asynchronous code, calling a function with no expectation of when a response might come back. Unfortunately, writing code in that style is difficult for humans, and promises are a key tool for bridging that gap. This book shows you how to use these tools, and also demonstrates techniques that enable you to use features like IndexedDB or WebRTC. Bestandsnummer des Verkäufers 9781449373214
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Paperback. Zustand: New. Asynchronous JavaScript is everywhere, whether you're using Ajax, AngularJS, Node.js, or WebRTC. This practical guide shows intermediate to advanced JavaScript developers how Promises can help you manage asynchronous code effectively-including the inevitable flood of callbacks as your codebase grows. You'll learn the inner workings of Promises and ways to avoid difficulties and missteps when using them. The ability to asynchronously fetch data and load scripts in the browser broadens the capabilities of JavaScript applications. But if you don't understand how the async part works, you'll wind up with unpredictable code that's difficult to maintain. This book is ideal whether you're new to Promises or want to expand your knowledge of this technology.Understand how async JavaScript works by delving into callbacks, the event loop, and threading Learn how Promises organize callbacks into discrete steps that are easier to read and maintain Examine scenarios you'll encounter and techniques you can use when writing real-world applications Use features in the Bluebird library and jQuery to work with Promises Learn how the Promise API handles asynchronous errors Explore ECMAScript 6 language features that simplify Promise-related code. Bestandsnummer des Verkäufers LU-9781449373214
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