Can I open a new window and populate it with a string variable?

Question

I am having a bit of a battle with something that seems simple. I have a [javascript] string that has DOM elements in it and would like to open a new window (window.open()?) and

Answer 1

If you need in new tab you can use this.

const win = window.open('about:blank', '_blank');
win.document.write('
test
');
win.focus();