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<!DOCTYPE html>
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<html lang="es">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport"
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content="width=device-width">
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<title>Notificaciones</title>
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<style>
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html {
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color-scheme: light dark;
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}
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</style>
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</head>
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<body>
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<h1>Notificaciones</h1>
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<button type="button"
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onclick="notifica()">
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Muestra
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</button>
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<script>
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const MENSAJE = "Hola"
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async function notifica() {
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let permitida = false
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if ("Notification" in window) {
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let permiso =
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Notification.permission
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if (permiso === "default") {
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permiso = await Notification
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.requestPermission()
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}
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permitida =
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permiso === "granted"
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? true
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: false
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}
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if (permitida) {
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notificacion =
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new Notification(MENSAJE)
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} else {
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alert(MENSAJE)
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}
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}
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</script>
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</body>
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</html>
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