<html> <head> <title>Reftest for bug 388980</title></html> <script type="text/javascript"> var text = '<html><head></head><body style="font-size:16px;">' + '<p><span style="background-color:red;">This paragraph should be red</span></p>' + '<p><span style="background-color:blue;">This paragraph should be blue</span></p>' + '<p>This paragraph should not be colored</p>' + '</body></html>'; function initIFrame() { var doc = document.getElementById('theIFrame').contentDocument; doc.designMode = 'on'; doc.open('text/html'); doc.write(text); doc.close(); } </script> </head> <body onload="initIFrame()" > <iframe id="theIFrame"> </iframe> </body> </html>