<!DOCTYPE html> <head> <meta charset="utf-8"> <title>Frame Element Tests</title> </head> <body> <h1>Frame Element Tests</h1> <iframe id="iframe-blank" src="about:blank"></iframe> <iframe id="iframe-data-url" src="data:text/html;charset=utf-8,%3Chtml%3E%3Cbody%3Eiframe%3C/body%3E%3C/html%3E"></iframe> <object id="object-data-url" type="text/html" data="data:text/html;charset=utf-8,%3Chtml%3E%3Cbody%3Eobject%3C/body%3E%3C/html%3E"></object> </body>