Test page features

IFrames below have the same URI, but JavaScript will change their contents - the saved page should preserve this difference in contents of the IFrames.

Test content

Content verification marker: frames-runtime-changes.htm: 4388232f-8d45-4d2e-9807-721b381be153

Frames with orignal content fetched via "src" attribute:

Frames with orignal content defined via "srcdoc" attribute: