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script1

function selectBrowser(browser) { const messageElement = document.getElementById('browser-message'); switch (browser) { case 'chrome': messageElement.textContent = 'مرحبًا بك في Google Chrome!'; break; case 'firefox': messageElement.textContent = 'مرحبًا بك في Mozilla Firefox!'; break; case 'safari': messageElement.textContent = 'مرحبًا بك في Apple Safari!'; break; case 'edge': messageElement.textContent = 'مرحبًا بك في Microsoft Edge!'; break; default: messageElement.textContent = 'متصفح غير معروف.'; break; } }

worker1

// Web Worker (worker1.js) // Listen for messages from the Service Worker self.addEventListener('message', function(event) { if (event.data && event.data.action === 'startTimer') { // Start a timer to perform an action after an hour setTimeout(function() { // This script will continue running for an hour after the page is closed console.log('Timer expired after 1 hour'); // Example: Perform a task or action // For instance, send a notification self.registration.showNotification('Task Completed', { body: 'Your task has been completed after 1 hour.', icon: 'icon.png' // Path to notification icon }); // You can add any other script or code to execute here }, 3600000); // 1 hour in milliseconds } });

sw.js

worker.js

// Web Worker (worker.js) // Listen for messages from the Service Worker self.addEventListener('message', function(event) { if (event.data && event.data.action === 'startTimer') { // Start a timer to perform an action after an hour setTimeout(function() { // This script will continue running for an hour after the page is closed console.log('Timer expired after 1 hour'); // Example: Perform a task or action // For instance, send a notification self.registration.showNotification('Task Completed', { body: 'Your task has been completed after 1 hour.', icon: 'icon.png' // Path to notification icon }); // You can add any other script or code to execute here }, 3600000); // 1 hour in milliseconds } });

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Web Worker Example

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