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  1. HTMLElement: focus() method - Web APIs | MDN

    Learn about the HTMLElement.focus() method, including its syntax, code examples, specifications, and browser compatibility.... Syntax js focus() focus(options) Parameters...not set focusVisible to true . js document.getElementById("focusButton")...

    developer.mozilla.org/en-US/docs/Web/API/HTMLEl...
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  2. How to write in Markdown - The MDN Web Docs pro...

    This page describes how we use Markdown to write documentation on MDN Web Docs. We have chosen GitHub-Flavored Markdown (GFM) as a baseline, and added some extensions to support some of the things we need to do on MDN that aren't readily supported in GFM....Programming Languages JavaScript js - JavaScript ts - TypeScript...URIs and URLs For example: md ```js const greeting = "I will get...

    developer.mozilla.org/en-US/docs/MDN/Writing_gu...
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  3. Media Session API - Web APIs | MDN

    The Media Session API provides a way to customize media notifications. It does this by providing metadata for display by the user agent for the media your web app is playing....the media session to playing : js navigator.mediaSession.playbackState...for the user control actions: js if ("mediaSession" in navigator)...

    developer.mozilla.org/en-US/docs/Web/API/Media_...
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  4. Screen Wake Lock API - Web APIs | MDN

    The Screen Wake Lock API provides a way to prevent devices from dimming or locking the screen when an application needs to keep running.... js if ("wakeLock" in navigator)...reflect the wake lock is active. js // Create a reference for the...

    developer.mozilla.org/en-US/docs/Web/API/Screen...
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  5. Audio and video manipulation - Web media techno...

    The beauty of the web is that you can combine technologies to create new forms. Having native audio and video in the browser means we can use these data streams with technologies such as , WebGL or Web Audio API to modify audio and video directly, for example adding reverb/compression effects to audio, or grayscale/sepia filters to video. This article provides a reference to explain what you need to do.... js const processor = { timerCallback()...page has loaded you can call js processor.doLoad(); Result This...

    developer.mozilla.org/en-US/docs/Web/Media/Audi...
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  6. Set - JavaScript | MDN

    The Set object lets you store unique values of any type, whether primitive values or object references....keys when used in set methods: js const a = new Set([1, 2, 3]);...Examples Using the Set object js const mySet1 = new Set(); mySet1...

    developer.mozilla.org/en-US/docs/Web/JavaScript...
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  7. Registering attribution triggers - Web APIs | MDN

    This article explains how to register attribution triggers....event-level report attribution source: js res.set( "Attribution-Report...requires the fields shown below: js res.set( "Attribution-Report...

    developer.mozilla.org/en-US/docs/Web/API/Attrib...
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  8. Controlling multiple parameters with ConstantSo...

    This article demonstrates how to use a ConstantSourceNode to link multiple parameters together so they share the same value, which can be changed by setting the value of the ConstantSourceNode.offset parameter.... js // Useful UI elements const playButton...tasks to set up the audio graph. js function setup() { context =...

    developer.mozilla.org/en-US/docs/Web/API/Web_Au...
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  9. DirectoryReaderSync - Web APIs | MDN

    Learn about the DirectoryReaderSync interface, including specifications and browser compatibility.... js // Taking care of the browser-specific...const worker = new Worker("worker.js"); worker.onmessage = (e) =>...

    developer.mozilla.org/en-US/docs/Web/API/Direct...
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  10. NodeList - Web APIs | MDN

    Learn about the NodeList interface, including its properties and methods, specifications and browser compatibility....childNodes is live: js const parent = document.getE...a NodeList using a for loop: js for (let i = 0; i < myNodeList...

    developer.mozilla.org/en-US/docs/Web/API/NodeList
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