window.addEventListener('keydown', (e) => {
console.log(e)
})
window.dispatchEvent(new KeyboardEvent('keydown', {
'key': 'a'
}));
//use --> document.addEventListener('keypress', (event)=>{console.log(event)}) <-- copy the output of the key you want
//and place it (as object) at ...ardEvent('keydown', HERE)...