---
id: "ff2505b5-d4a0-45c2-99d8-66bf3c173261"
name: "iframe.contentDocument via js() for SIMnet"
micro_summary: "A SIMnet probe found same-origin policy blocks parent-page JS access to the cross-origin iframe's contentDocument."
status: "discarded"
see_also: []
scope: "Attempted to access iframe content via js(\"document.querySelector('iframe').contentDocument.body.innerHTML\"). Chrome same-origin policy blocks cross-origin iframe access — Canvas → SIMnet iframes are cross-origin."
discard_reason: "chrome same-origin policy blocks cross-origin iframe access — contentWindow.document is null for Canvas→SIMnet iframes"
---