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                // this is only to show the values we're working with
// optional chaining is not supported on older Android devices, so we don't use it in the actual detection code below
document.write('userAgentData.platform: ' + navigator?.userAgentData?.platform + '<br>');
document.write('navigator.platform: ' + navigator?.platform + '<br>');
document.write('ontouchstart: ' + ('ontouchstart' in window) + '<br>');

// actual detection >
// note: this will match other touch-enabled linux devices as well, which was fine for my needs but might not be for yours
const isAndroid = (function() {
  return (
    navigator && navigator.userAgentData && navigator.userAgentData.platform && navigator.userAgentData.platform.toLowerCase() === 'android'
  ) || (
    navigator && navigator.platform && navigator.platform.toLowerCase().indexOf('linux') === 0 && ('ontouchstart' in window)
// < actual detection

// show the result
document.write('isAndroid: ' + isAndroid + '<br>');