it is a problem of "same origin policy" on local file, i have tried that
C:\somewhere some folder\chrome.exe" --allow-file-access-from-files
don't work, now i am working javascript on localhost(web server) ...my situation is ridiculous, it make the "iframe loading" and xmlhttprequest(which not work for local files) have no difference for scripting.
Does chromium just the same function as chrome except "--allow-file-access-from-files" works? if not , writing code for ie,chrome,chromium just create one more issue but solve one.