JS => Replacing Document Body with iframe tag not woking !

[cparonny]

it's Working on Normal Browser With console command

document.body.innerHTML = '<iframe width="560" height="315" src="https://www.youtube.com/embed/GtZaKSWGJFE" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>';

or

document.getElementsByTagName('body')[0].innerHTML = '<iframe width="560" height="315" src="https://www.youtube.com/embed/GtZaKSWGJFE" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>';

But it's Not Working on BAS Via Browser Javascript command