1. Introduction If you are developing an iframe-based widget, embedded tool, or third-party script, you will inevitably run into a question that sounds deceptively simple: "Which website embedded my iframe? " Knowing the parent domain is essential for domain authorization, analytics, and securit...
Source: [Dev.to](https://dev.to/bored_dev/how-to-get-the-parent-domain-from-a-cross-origin-iframe-in-javascript-without-losing-your-sanity-1885)