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  1. SharedStorageOperation - Web APIs | MDN

    Learn about the SharedStorageOperation interface, including code examples, specifications, and browser compatibility....A/B testing group: js // ab-testing-worklet.js class SelectURLOperation...classes and their run() methods. js // For demo purposes. The hostname...

    developer.mozilla.org/en-US/docs/Web/API/Shared...
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  2. VisualViewport - Web APIs | MDN

    Learn about the VisualViewport interface, including its properties and methods, code examples, specifications, and browser compatibility.... js const bottomBar = document.g...live sample is also available. js const bottomBar = document.g...

    developer.mozilla.org/en-US/docs/Web/API/Visual...
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  3. LargestContentfulPaint - Web APIs | MDN

    Learn about the LargestContentfulPaint interface, including its properties and methods, code examples, specifications, and browser compatibility.... js const observer = new PerformanceObserver((list)...checking if renderTime was used: js const isAccurateLCP = entry.renderTime...

    developer.mozilla.org/en-US/docs/Web/API/Larges...
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  4. Deep copy - MDN Web Docs Glossary: Definitions ...

    A deep copy of an object is a copy whose properties do not share the same references (point to the same underlying values) as those of the source object from which the copy was made. As a result, when you change either the source or the copy, you can be assured you're not causing the other object to change too. That behavior contrasts with the behavior of a shallow copy, in which changes to nested properties in the source or the copy may cause the other object to change too....(completely new) JavaScript object: js const ingredientsList = ["noodles"...not affect the source object. js // Change the value of the 'list'...

    developer.mozilla.org/en-US/docs/Glossary/Deep_...
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  5. Launch Handler API - Web APIs | MDN

    The Launch Handler API allows developers to control how a progressive web app (PWA) is launched — for example if it uses an existing window or creates a new one, and how the app's target launch URL is handled....custom handling of the targetURL js window.launchQueue.setConsumer((launchParams)...field client_mode value. Examples js if ("launchQueue" in window)...

    developer.mozilla.org/en-US/docs/Web/API/Launch...
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  6. tristantheb (tristantheb) · GitHub

    French web and mobile web developer who helps the developer community and creates small, practical and powerful tools for everyone. - tristantheb...React [JS] Packages les plus utilisés Composer [PHP] NPM [JS] javascript-obfuscator...

    github.com/tristantheb
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  7. PaymentManager - Web APIs | MDN

    Learn about the PaymentManager interface, including its properties and methods, code examples, specifications, and browser compatibility....Examples js navigator.serviceWorker.register("serviceworker.js").then((registration)...

    developer.mozilla.org/en-US/docs/Web/API/Paymen...
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  8. Web Locks API - Web APIs | MDN

    The Web Locks API allows scripts running in one tab or worker to asynchronously acquire a lock, hold it while work is performed, then release it. While held, no other script executing in the same origin can acquire the same lock, which allows a web app running in multiple tabs or workers to coordinate work and the use of resources.... js navigator.locks.request("my_resource"...code flow linearly. For example: js await do_something_without_lock();...

    developer.mozilla.org/en-US/docs/Web/API/Web_Lo...
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  9. ARIA: alert role - Accessibility | MDN

    The alert role is for important, and usually time-sensitive, information. The alert is a type of status processed as an atomic live region....expire in 2 minutes</span> </div> js // removing the 'hidden' class...id="alertContainer" role="alert"></div> js // clear the contents of the...

    developer.mozilla.org/en-US/docs/Web/Accessibil...
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  10. What is JavaScript? - Learn web development | MDN

    So there you go, your first step into the world of JavaScript. We've begun with just theory, to start getting you used to why you'd use JavaScript and what kind of things you can do with it. Along the way, you saw a few code examples and learned how JavaScript fits in with the rest of the code on your website, amongst other things....to implement dynamic behavior: js const button = document.quer...we saw in our first example: js const button = document.quer...

    developer.mozilla.org/en-US/docs/Learn/JavaScri...
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