Fastest method to escape HTML tags as HTML entities?

Question

I\'m writing a Chrome extension that involves doing a lot of the following job: sanitizing strings that might contain HTML tags, by converting

Answer 1

An even quicker/shorter solution is:

escaped = new Option(html).innerHTML

This is related to some weird vestige of JavaScript whereby the Option element retains a constructor that does this sort of escaping automatically.

Credit to https://github.com/jasonmoo/t.js/blob/master/t.js