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  1. Sensor APIs - Web APIs | MDN

    The Sensor APIs are a set of interfaces built to a common design that expose device sensors in a consistent way to the web platform.... js if (typeof Gyroscope === "function")...Permissions Policy set on your server. js let accelerometer = null; try...

    developer.mozilla.org/en-US/docs/Web/API/Sensor...
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  2. TypeError: can't set prototype: it would cause ...

    The JavaScript exception "TypeError: can't set prototype: it would cause a prototype chain cycle" occurs when an object's prototype is set to an object such that the prototype chain becomes circular (a and b both have each other in their prototype chains).... Examples js const a = {}; Object.setPrototypeOf(a...cause a prototype chain cycle js const a = {}; const b = {}; const...

    developer.mozilla.org/en-US/docs/Web/JavaScript...
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  3. TypeError: More arguments needed - JavaScript |...

    The JavaScript exception "more arguments needed" occurs when there is an error with how a function is called. More arguments need to be provided....requires at least two arguments: js const obj = Object.create();...as the prototype, for example: js const obj = Object.create(null);...

    developer.mozilla.org/en-US/docs/Web/JavaScript...
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  4. Request - Web APIs | MDN

    Learn about the Request interface, including its constructor, properties, and methods, code examples, specifications, and browser compatibility....property values of the request: js const request = new Request("https://www...a fetch() call, for example: js fetch(request) .then((response)...

    developer.mozilla.org/en-US/docs/Web/API/Request
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  5. EventTarget: addEventListener() method - Web AP...

    Learn about the EventTarget.addEventListener() method, including its syntax, code examples, specifications, and browser compatibility.... Syntax js addEventListener(type, listener)...fullscreenerror might look like this: js function handleEvent(event) {...

    developer.mozilla.org/en-US/docs/Web/API/EventT...
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  6. ExtendableMessageEvent - Web APIs | MDN

    Learn about the ExtendableMessageEvent interface, including its constructor, properties, and methods, code examples, specifications, and browser compatibility.... js // in the page being controlled...serviceWorker.register("service-worker.js"); navigator.serviceWorker.a...

    developer.mozilla.org/en-US/docs/Web/API/Extend...
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  7. Ember Interactivity: Footer functionality, cond...

    That's enough for now. At this point, not only can we mark todos as complete, but we can clear them as well. Now the only thing left to wire up the footer are the three filtering links: "All", "Active", and "Completed". We'll do that in the next article, using Routing....js file and update it to the following: js import Component...need to go back to our todo-data.js file and add some functionality...

    developer.mozilla.org/en-US/docs/Learn/Tools_an...
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  8. CommandEvent - Web APIs | MDN

    Learn about the CommandEvent interface, including its constructor and properties, code examples, specifications, and browser compatibility....Hide popover</button> </div> js const popover = document.get...appropriate alt text here]" /> js const image = document.getEl...

    developer.mozilla.org/en-US/docs/Web/API/Comman...
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  9. <input type="color"> - HTML: Lenguaje de etique...

    Los elementos del tipo «color» proporciona un elemento de interfaz de usuario que permite a los usuarios especificar un color, bien mediante una interfaz visual de selección, bien a través de un cuadro de texto donde ingresar un valor hexadecimal en el formato «#rrggbb». Solo se permiten colores simples (sin canal alfa). Los valores son compatibles con CSS....valor de color en el tiempo: js colorPicker.addEventListener("input"...responder adecuadamente en cada caso. js muestrario.select(); Validación...

    developer.mozilla.org/es/docs/Web/HTML/Element/...
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  10. FileSystemDirectoryHandle - Web APIs | MDN

    Learn about the FileSystemDirectoryHandle interface, including its properties and methods, code examples, specifications, and browser compatibility.... js const dirName = "directoryToGetName";...a specified directory handle. js async function returnPathDir...

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