<!DOCTYPE html> <html> <head> <title>Longdesc test: Reflection when longdesc changes</title> </head> <body> <img src="picture.png" alt="the image" longdesc="fail.html"> <script> var failingResult = document.querySelector('img[longdesc]').longDesc; var newValue = '<img src="picture.png" alt="the image" longdesc="pass.html">'; document.querySelector('img').outerHTML = newValue; document.location.href = document.querySelector('img[longdesc]').longDesc; </script> </body> </html>