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Example
2. ????????Quirks mode??
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3. EDGE??
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1. ??????????
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??2?????HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION·????
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HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION
"iexplore.exe" = dword:0000270f
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2. ??????????????
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X-UA-Compatible???????????????IE?????????????????????????????????????????????????????????HTTP??????????????????????У?????д?????£?
(1) ??????HTTP????????
HTTP/1.1 200 OK
X-UA-Compatible: IE=edge
(2) ??????????У?
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(1) ?????????????javascript:document.write("");??????????ɡ?
(2) ?????′????????????????
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