js detect cmd+s
// To detect Cmd key pressed, check Event.key === 'Meta'
document.querySelectorAll('#form').forEach(form => {
let meta_pressed = false;
form.addEventListener('keydown', e => {
if ( e.key === 'Meta' ) {
meta_pressed = true;
} else if ( e.key === 's' ) {
// Keep the browser from running its own
// Cmd+S (Save Page As...) function
e.preventDefault();
form.submit();
}
});
form.addEventListener('keyup', e => {
if ( e.key === 'Meta' ) {
meta_pressed = false;
}
});
});