<!DOCTYPE html> <html class="reftest-wait"> <head> <title> Testcase with only one of [html,body] being scrollable, with their "overflow" styles being dynamically swapped. </title> <style> body { overflow: scroll; } </style> <script> function doTest() { document.documentElement.style.overflow = "scroll"; document.body.style.overflow = "visible"; document.documentElement.removeAttribute("class"); } window.addEventListener("MozReftestInvalidate", doTest); </script> </head> <body> </body> </html>