On Android devices, the onKeyDown and onKeyUp events might not fire when pressing the Tab button by default. This behavior is intentional because the Tab key is typically used for navigation purposes within the browser and Android system, and its default behavior should not be disrupted by web applications.

However, you can use a workaround to capture the Tab key press event in your web application on Android. The general idea is to listen for the keydown event and check if the pressed key is the Tab key manually.

Here's an example of how you can achieve this using JavaScript:

<!DOCTYPE html> <html> <head> <title>Tab Key Press Test</title> </head> <body> <p>Press the Tab key to see the event.</p> <script> document.addEventListener('keydown', (event) => { // Check if the pressed key is the Tab key (key code 9) if (event.keyCode === 9) { console.log('Tab key was pressed.'); // Add your custom logic for handling the Tab key press event here // For example, prevent the default Tab key behavior: event.preventDefault(); } }); </script> </body> </html>

In this example, we add an event listener to the document object for the keydown event. Inside the event handler, we check if the keyCode of the pressed key is equal to 9, which corresponds to the Tab key. If it is, we log a message to the console and, if desired, prevent the default Tab key behavior by calling event.preventDefault().

Keep in mind that overriding the default behavior of the Tab key can interfere with the normal navigation flow on the Android device. Make sure to use this approach judiciously and provide an alternative navigation method if needed.

Additionally, note that the keyCode property has been deprecated, and it is recommended to use event.key instead. However, on some Android devices and browsers, event.key might not work for certain keys like Tab, so using keyCode as shown in the example above might be necessary for compatibility.

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