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You're reading from  JavaScript Design Patterns

Product typeBook
Published inMar 2024
Reading LevelIntermediate
PublisherPackt
ISBN-139781804612279
Edition1st Edition
Languages
JavaScript
Concepts
Design Patterns
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Author (1)
Hugo Di Francesco
Hugo Di Francesco
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Hugo Di Francesco

Hugo Di Francesco is a software engineer who has worked extensively with JavaScript. He holds a MEng degree in mathematical computation from University College London (UCL). He has used JavaScript across the stack to create scalable and performant platforms at companies such as Canon and Elsevier and in industries such as print on demand and mindfulness. He is currently tackling problems in the travel industry at Eurostar with Node.js, TypeScript, React, and Kubernetes while running the eponymous Code with Hugo website. Outside of work, he is an international fencer, in the pursuit of which he trains and competes across the globe.
Read more about Hugo Di Francesco

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Patterns for secure frame/native WebView bridge messaging

Gaining a deep understanding of messaging patterns with postMessage in JavaScript is crucial for working in a variety of contexts. postMessage is defined on the following Web API objects: Window, MessagePort, Worker, Client, ServiceWorker, and BroadcastChannel.

In other words, postMessage-based messaging is useful for document-to-iframe, iframe-to-iframe, document-to-worker, and service worker-to-document communication and that’s only the Web APIs. Due to how widespread the postMessage API is, it’s also adopted in non-standard APIs for handling multiple JavaScript contexts. For example, web extensions for Chrome and Firefox contain multiple JavaScript contexts: the devtools panel, proxy, backend, and background script. The postMessage API is also used for Android and iOS communication between the native code and WebViews.

The scenario that we’ll go through is about iframes and how they communicate...

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JavaScript Design Patterns
Published in: Mar 2024Publisher: PacktISBN-13: 9781804612279
© 2024 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Hugo Di Francesco

Hugo Di Francesco is a software engineer who has worked extensively with JavaScript. He holds a MEng degree in mathematical computation from University College London (UCL). He has used JavaScript across the stack to create scalable and performant platforms at companies such as Canon and Elsevier and in industries such as print on demand and mindfulness. He is currently tackling problems in the travel industry at Eurostar with Node.js, TypeScript, React, and Kubernetes while running the eponymous Code with Hugo website. Outside of work, he is an international fencer, in the pursuit of which he trains and competes across the globe.
Read more about Hugo Di Francesco

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