Checking device capabilities

var fallbackSubmitMilliSeconds = 5000;
const fallbackSubmitMilliSecondsInput = document.querySelector(‘#fallbackSubmitMilliSeconds’);
if (fallbackSubmitMilliSecondsInput) {
fallbackSubmitMilliSeconds = Number(fallbackSubmitMilliSecondsInput.value);
}
function browserCheckAlreadySubmited() {
const browserCheckAlreadySubmitedInput = document.querySelector(‘#browserCheckAlreadySubmited’);
if (browserCheckAlreadySubmitedInput) {
return browserCheckAlreadySubmitedInput.value === ‘true’;
}
return false;
};
function submitform() {
clearTimeout(autoSubmit);
if (!browserCheckAlreadySubmited()) {
console.warn(‘Auto submitting browser check page’);
const form = document.querySelector(‘form’);
if (form) {
document.querySelector(‘body’).style.transition = ‘opacity 2s’;
document.querySelector(‘body’).style.opacity = 0;
form.submit();
} else {
console.warn(‘Cannot auto submit browser check page because I did not find the form element’);
}
}
}
const autoSubmit = setTimeout(function () { submitform(); }, fallbackSubmitMilliSeconds);