Windows 8ãäœæãã
ã¢ããªã±ãŒã·ã§ã³ã®ãšãã«ã®ãŒå¹çã®æ¹å
ïŒã³ã³ãã¥ãŒã¿ãŒã§ã®äœæ¥ãé«éãã€å¹ççã«ããããã«ïŒæ倧ã®å¿çé床ãšæé«ã®ããã©ãŒãã³ã¹ãéæããªãããã³ã³ãã¥ãŒã¿ãŒã®æå°é»åæ¶è²»ã確ä¿ããããšã¯ã䞊å€ããæè¡çã¿ã¹ã¯ã§ãã ãã¹ãŠã¯ãWindowsã§ãªãœãŒã¹ã®äœ¿çšãé©åã«ãµããŒãããããã«è¡ãäœæ¥ããå§ãŸããŸããããã®åé¡ã解決ããã«ã¯ãéçºè ãã¢ããªã±ãŒã·ã§ã³ã®äœææã«ãªãœãŒã¹ã®äœ¿çšãèæ ®ããå¿ èŠããããŸãã
ARMããã»ããµã¢ãŒããã¯ãã£çšã®Windows OSã®æ§ç¯
Microsoft Windowsãªãã¬ãŒãã£ã³ã°ã·ã¹ãã ã®æ³šç®ãã¹ãæ©èœã®1ã€ã¯ããã®ã¢ãŒããã¯ãã£ã®æè»æ§ã§ãããæè¡ã®é²æ©ãšã¯ã©ã€ã¢ã³ãããŒã¹ã®æ®µéçãªæ¡åŒµã®éã«å®èšŒãããŠããŸãã ãã®ãªãã¬ãŒãã£ã³ã°ã·ã¹ãã ã®åæããŒãžã§ã³ã¯ãäœæ¥ãå¹çåãããœãããŠã§ã¢ãåå¥ã«äœ¿çšãã1人ã察象ãšããŠããŸãã çŸåšã§ã¯ãå¹ åºãããŒããŠã§ã¢ããã³ãœãããŠã§ã¢ãã¯ãããžãŒãçžäºæ¥ç¶ãããWindows補åãé©ãã»ã©æè»ãªã³ã³ãã¥ãŒãã£ã³ã°ã¢ãããŒãã䜿çšããããã®åºç€ãšãªã£ãŠããŸãã Windows 8ã§ã¯ããããã»ãããããŠãŒã¶ãŒãšã¯ã¹ããªãšã³ã¹ã§çµããWindowsã®æŠå¿µãåèãããã®æ°ããWindowsã®ã¢ã€ãã¢ãARMããã»ããµã¢ãŒããã¯ãã£ã«ç§»æ€ããããšãããã®é©æ°çãªããã»ã¹ã®éèŠãªéšåã«ãªããŸããã
ã¢ã¯ã»ã·ããªãã£ãµããŒãã®æäŸ
Windows 8ãªãã¬ãŒãã£ã³ã°ã·ã¹ãã ã¯ãäžçäžã®å¹ åºããŠãŒã¶ãŒåãã«éçºããã補åã§ãã ç¹ã«é«ãã¬ãã«ã®ã€ãããŒã·ã§ã³ãå®è£ ããããšããåéã®1ã€ã¯ãç©ççãªèœåã«é¢ä¿ãªãããã¹ãŠã®ãŠãŒã¶ãŒãWindows 8ã®ã¢ã¯ã»ã·ããªãã£ïŒäž»ã«Metroã¹ã¿ã€ã«ã¢ããªã±ãŒã·ã§ã³ãšã®ããåãã«é¢ããŠïŒã確ä¿ãããšããåé¡ã§ãã ãã®èšäºã§ã¯ããç¹æ®ããšåŒã°ããæ©èœã«é¢é£ãããšã³ãžãã¢ãªã³ã°äœæ¥ã«ã€ããŠèª¬æããŸãïŒãã ããåŸã§èª¬æããããã«ããããã®æ©èœã®å€ãã¯éåžžã«åºã䜿çšãããŠããããã¹ãŠã®ãŠãŒã¶ãŒã®è£œåã®äœ¿ãããããé«ããŠããŸãïŒã
ä»»æã®èšèªã䜿çšãã
Windows 2000ã§ã®å°å ¥ä»¥æ¥ãå€èšèªãŠãŒã¶ãŒã€ã³ã¿ãŒãã§ã€ã¹ïŒãŸãã¯MUIïŒã«ããã顧客ã¯Windowsã³ã³ãã¥ãŒã¿ãŒã«è¿œå ã®ã€ã³ã¿ãŒãã§ã€ã¹èšèªãã€ã³ã¹ããŒã«ããããããåãæ¿ããããšãã§ããŸããã ãã ããã»ãšãã©ã®ãŠãŒã¶ãŒã¯ãååãšããŠãWindows PCã®æåã®èµ·åæã«éžæãããèšèªã䜿çšããŠããŸããã Windows 8ã§ã¯ãã€ã³ã¿ãŒãã§ã€ã¹èšèªã管çããæ°ããã¢ãããŒããææ¡ãããã¹ãŠã®WindowsãŠãŒã¶ãŒãè¿œå ã®ã€ã³ã¿ãŒãã§ã€ã¹èšèªã䜿çšã§ããããã«ããæ€çŽ¢ãšã€ã³ã¹ããŒã«ãå¶éãŸã§ç°¡çŽ åãããŠãŒã¶ãŒãç°¡åã«åãæ¿ããããããã«ããŸããã ãã®ããã°ãšã³ããªã§ã¯ããããã®ç®æšãéæããWindowsãžã®å€æŽã«ã€ããŠèª¬æããŸãã
Internet Explorerããã©ãŒãã³ã¹ã©ãïŒãã©ãŠã¶ãŒããã©ãŒãã³ã¹ã®ä¿¡é Œã§ãã枬å®
ãã®ããã°ã®éèŠãªéšåã¯ãWindows 8ã®éçºã§ãèå°è£ãã§äœãèµ·ãã£ãŠããã®ãã説æããããšã«å°å¿µããŠããŸãããã®èšäºã§ã¯ããšã³ãžãã¢ãšããŠãããã³å®éã®ç¶æ³ã§ã®Webããã©ãŒãã³ã¹ã®ãŠãŒã¶ãŒãšããŠæ³šæãæãåé¡ã«ã€ããŠèª¬æããŸãã ãŒããããšããèšç»ãè°è«ãããå®éã®å¹æçãªã¢ã¯ã·ã§ã³ã«ç§»è¡ããŠãé«æ§èœãªWebãã©ãŠãžã³ã°ã確ä¿ããã«ã¯ãçŽ æŽãããä»äºãããªããã°ãªããŸããã§ããã
Windows 8 Consumer Previewã®çŽ¹ä»
ä»æ¥ã¯ãWindowséçºããŒã ã«ãšã£ãŠéèŠãªæ¥ã§ãã æ°ååãã¹ãã€ã³ã®ãã«ã»ããã§éå¬ãããMobile World Congressã§ãWindows 8 Consumer PreviewãããŒãããŒãšãžã£ãŒããªã¹ãã«çŽ¹ä»ããŸããã å€æ°ã®ã¬ãã¥ãŒã«åºã¥ããŠã³ãŒãã«100,000ãè¶ ããå€æŽãå ããŸãããConsumerPreviewã¯ãOSã®äºåããŒãžã§ã³ããã¹ãããã人ãæ¯æ¥å¹ åºã䜿çšã§ããããã«ä¿®æ£ããã補åãæ瀺ããŸãã preview.windows.com㧠Consumer PreviewãããŠã³ããŒãã§ããŸãã æ¢ã«Windows 8 Developer Previewã䜿çšããŠããå Žåã¯ãããŸããŸãªãœãŒã¹ããåãåã£ããã£ãŒãããã¯ã«åºã¥ããŠãå€ãã®å€æŽãšæ¹åãè¡ãããšãã§ããŸãã
æ¶è²»è åããã¬ãã¥ãŒã®çºå£²ïŒã·ã¹ãã ã®æšå¥šäºé
ãã¯ãã«ã«ã³ãã¥ããã£ã§ã®æ¥åžžçãªäœ¿çšã«éåžžã«é©ããWindows 8ã®äºåããŒãžã§ã³ãçºè¡šã§ãããããžã§ã¯ãã®æ®µéã«ããããå°éã§ããããšãéåžžã«å¬ããæããŸãã åŸ ã£ãŠãããŠãŒã¶ãŒã¯ãWindows 8 Consumer Previewã®ãªãªãŒã¹ãåŸ ããã«ãããããã©ã®æ©åšã䜿çšããããšããå§ãããŠããã®ããšæããŸãã ãã®ããã°èšäºã§ã¯ãã·ã¹ãã ã®æšå¥šäºé ã«é¢ããæè¡æ å ±ãæäŸããŠããŸãã ãããã¯ã·ã¹ãã èŠä»¶ã§ã¯ãªããæçµçãªãã®ã§ã¯ãªããConsumer Previewã«æé©ãªæ©åšã«é¢ããæ å ±ãæäŸããã ãã§ãã
Windowsã¹ãã¢ïŒéçºè ããã°
Windows 8ã¢ããªã®ãªãªãŒã¹
ã¢ããªã±ãŒã·ã§ã³ãã€ãŸãã¢ããªã±ãŒã·ã§ã³ã¯ãWindowsã¹ãã¢ã®äžå¿ã§ãã éçºè ã«ã¢ããªã±ãŒã·ã§ã³ãéä¿¡ããããã»ã¹ãéçºããããšã«ãããšããéçºè ãã§ããã ãè¿ éãã€ç°¡åã«ã¢ããªã±ãŒã·ã§ã³ãã¹ãã¢ã«é 眮ã§ããããã«ãããã£ãã®ã§ãã ççŸã®æ°ãæžãããéææ§ãä»ããŠä¿¡é Œãæ§ç¯ããã¢ããªã±ãŒã·ã§ã³ãéä¿¡ããããã»ã¹ã®äºæž¬å¯èœæ§ãšäžè²«æ§ã確ä¿ããããšã«ã€ããŠå€ãã®ããšãèããŸããã ããããããŒãšã¯ã¹ããªãšã³ã¹ã¯ãŒãã³ã°ã°ã«ãŒãã®ããã°ã©ã ãããŒãžã£ãŒã§ããJonathan Garriguesãå·çãããã®èšäºã§ã¯ãã¹ãã¢ã«ã¢ããªãéä¿¡ããããã®å¯Ÿè©±ããã»ã¹ã«ã€ããŠèª¬æããŸãã
ã€ã³ã¿ãŒãããäžã®ãªãœãŒã¹ã«ã¢ããªã±ãŒã·ã§ã³ãé¢é£ä»ãã
以åã®èšäºã§ãWindowsã¹ãã¢ãéçºè ã«æäŸããåäŸã®ãªãæ©äŒãããã³ãŠãŒã¶ãŒãWindowsã¹ãã¢ã§ã¢ããªã±ãŒã·ã§ã³ãèŠã€ããæ¹æ³ã«ã€ããŠæ¢ã«æžããŠããŸãã ãåç¥ã®ããã«ããŠãŒã¶ãŒã¯ã€ã³ã¿ãŒãããäžã®ã¢ããªã±ãŒã·ã§ã³ãæ¢ããŠããŸãã ãã®èšäºã§ã¯ãã¹ãã¢ãµãŒãã¹ã°ã«ââãŒãã®ããã°ã©ã ãããŒãžã£ãŒã§ããRussell Wolfããéçºè ããŠãŒã¶ãŒãã€ã³ã¿ãŒãããã§ã¢ããªã±ãŒã·ã§ã³ãèŠã€ããŠã¹ãã¢ããŒã¿ã«ã§è³Œå ¥ã§ããå¯èœæ§ãé«ããã®ã«åœ¹ç«ã€3ã€ã®ãªãã·ã§ã³ã«ã€ããŠèª¬æããŸãã
æåã®ã¢ããªã±ãŒã·ã§ã³ã³ã³ãã¹ãã®åè³è
12æ6æ¥ã«ãWindowsã¹ãã¢ã玹ä»ããWindows 8åãã®æåã®Metroã¢ããªã³ã³ãã¹ããçºè¡šããŸãããéçºè ã¯ãã¢ããªãWindowsã¹ãã¢ã«æåã«æåºããããã«æåŸ ããŸããã å¯äžã®å¶éããããŸãã-éçºè èªèº«ã®æ³ååã ãããŠã圌ãã¯å³ããç· ãåãã«ããããããææŠãåãå ¥ããŸããïŒ æ¬æ¥ãæåã®ã¢ããªã±ãŒã·ã§ã³ã³ã³ãã¹ãã®åè³è ãçºè¡šãã圌ãã®äœåã®å°è±¡çãªçµæãçºè¡šããŸãã ãããã®ã¢ããªã±ãŒã·ã§ã³ã¯ãWindows 8 Consumer PreviewãããŠã³ããŒãããŠã€ã³ã¹ããŒã«ããåŸãWindowsã¹ãã¢ã§å©çšã§ããããã«ãªããŸããã
ã€ã³ã¿ãŒããããšã¯ã¹ãããŒã©ãŒ
Internet Explorer 10ã®CSS3 3Då€æ
CSS3ã®æ©èœã䜿çšãããšãWebãªãœãŒã¹ãæäœããçµéšãããå€æ§ã§æ¥œãããã®ã«ããããšãã§ããŸãã æè¿ã®èšäºã§ãWebéçºè ãCSS3ãã©ã³ãžã·ã§ã³ãšã¢ãã¡ãŒã·ã§ã³ã䜿çšããŠãµã€ãã«æ°ãã次å ãè¿œå ãããããæ¹åããæ¹æ³ã«ã€ããŠèª¬æããŸããã CSS3ã䜿çšãã3次å å€æã«ãããéçºè ã¯ïŒæåéãïŒå¥ã®æ¬¡å ã䜿çšããŠãµã€ãã®æ©èœãæ¡åŒµã§ããŸãã ããšãã°ãWindows 8ã§ã¯ã以äžã®äŸã«ç€ºãããã«ãMetroã¹ã¿ã€ã«ã®ã¹ã¿ãŒãããŒãžã¯ãã¯ãªãã¯ãããã¢ã€ã³ã³ã衚瀺ããããã«åŸ®åŠãª3次å å€æã䜿çšããŸãã
Metroã¹ã¿ã€ã«ã¢ããªã®é«æ§èœHTML5ã³ã³ãã³ã
Metroã¹ã¿ã€ã«ã¢ããªã§Webã³ã³ãã³ãã衚瀺ããå ŽåãWindows 8ã¯InternetExplorer 10ã®ããã©ãŒãã³ã¹ãæ倧éã«æŽ»çšããŸããMetroã¹ã¿ã€ã«ã¢ããªã®Webã³ã³ãã³ãã¯ãåžžã«ããŒããŠã§ã¢ã¢ã¯ã»ã©ã¬ãŒã·ã§ã³ã䜿çšããŠJITã³ã³ãã€ã«ããã³è¡šç€ºãããŸãã ä»ã®ãã©ãããã©ãŒã ã¯ãã¢ããªã±ãŒã·ã§ã³ã§ãã®ã¬ãã«ã®ããã©ãŒãã³ã¹ãæäŸããŸããã ããšãã°ãCocoa iOSã¢ããªã¯ãSafariã§åãã³ã³ãã³ããå®è¡ããå Žåãšæ¯èŒããŠãJavaScriptã®ããã©ãŒãã³ã¹ãïŒUIWebViewã³ã³ãããŒã«ã䜿çšããŠïŒå€§å¹ ã«äœäžããŸãã Cocoaã¢ããªã±ãŒã·ã§ã³ã¯JITã³ã³ãã€ã«ãå©çšããããããã®ã¢ããªã±ãŒã·ã§ã³ã¯ããã©ãŠã¶ãŒããªãã¬ãŒãã£ã³ã°ã·ã¹ãã ã§å®è¡ã§ããã®ãšåãæ¹æ³ã§Webã³ã³ãã³ãã衚瀺ããã³äœ¿çšã§ããŸããã
Internet Explorer 10ã®XHRã®CORSãã¯ãããžãŒ
Internet Explorer 10ãã©ãããã©ãŒã ã®4çªç®ã®ããŒãžã§ã³ã¯ãXMLHttpRequestïŒXHRïŒã®CORSïŒã¯ãã¹ãªãªãžã³ãªãœãŒã¹å ±æïŒãã¯ãããžãŒã®ãµããŒãã®ãããã§ãç°ãªããã©ãŠã¶ãŒéã§äžè²«ããŠåäœããã¯ãã¹ãµã€ãã¹ã¯ãªããã®æ§ç¯ãç°¡çŽ åããŸãã XHRã®CORSãã¯ãããžãŒã«ãããããŒã¿ã®ãµã€ãå ±æãç°¡åãã€æè»ã«ãªããŸãã ã»ãšãã©ã®åºæ¬çãªã·ããªãªã§ã¯ãCORSãã¯ãããžãŒã䜿çšãããšãä»»æã®ãµã€ãããã¢ã¯ã»ã¹å¯èœãªããŒã¿ãœãŒã¹ãäœæã§ããŸããããã€ãã®å°ããªèšå®ã§ãèš±å¯ãµã€ãã®ãªã¹ããå¶éããããŒã¿å€æŽã®ãµããŒããå®è£ ããããã«èªèšŒãæå¹ã«ããããšãã§ããŸãã ã»ãšãã©ã®å ŽåãCORSãã¯ãããžãŒã¯ãµãŒããŒãžã®åå ãèŠæ±ããããšã«ãããæ¢åã®ãµã€ããä¿è·ããŸãã
ãµããã¯ã»ã«ã¬ã³ããªã³ã°ãšCSSãªããžã§ã¯ãã¢ãã«
Windows 8ã¯ã倧ããªãã¹ã¯ãããã¢ãã¿ãŒããã³ã³ãã¯ãã¿ãã¬ãããŸã§ãã€ã³ã¿ãŒãããäžã®WebããŒãžã衚瀺ããããã®ããã€ã¹ã®å¹ åºãéžæè¢ããŠãŒã¶ãŒã«æäŸããŸãã ãã®ããã€ã¹ã®å šç¯å²ãžã®ã³ã³ãã©ã€ã¢ã³ã¹ã確ä¿ããããã«ããã©ãŠã¶ã¯ãç»é¢ã®ãµã€ãºãšãã®èŠçŽ ã®ãµã€ãºã«å¿ããŠãWebããŒãžã®ã¹ã±ãŒãªã³ã°ãšã¬ã€ã¢ãŠãããµããŒãããå¿ èŠããããŸãã ãããã®ã·ããªãªããµããŒãããInternet Explorerã®ããã€ãã®æ©èœã«ã€ããŠã¯æ¢ã«èª¬æããŸããã ãµããã¯ã»ã«ã¬ã³ããªã³ã°ïŒããã¹ããšã¬ã€ã¢ãŠãïŒã¯ããã©ãããã©ãŒã ã®åºæ¬çãªæè¡ã®1ã€ã§ããããã¯ãWebããŒãžãã©ã®è¡šç€ºã¹ã±ãŒã«ã§ãçŸãããäžè²«ããŠèŠããããã§ãã ãã®èšäºã§ã¯ãInternet Explorer 10ã§å°å ¥ããããCSS-OMãªããžã§ã¯ãã¢ãã«ã䜿çšãããµããã¯ã»ã«ã¬ã³ããªã³ã°ã®ãµããŒããæ¹åã§ããå€æŽã«ã€ããŠèª¬æããŸãã
Windows Consumer PreviewïŒIE10ãã©ãããã©ãŒã ãã¬ãã¥ãŒã®5çªç®ã®ããŒãžã§ã³
Windows 8äžã®Internet Explorer 10ã¯ããã©ãŠã¶ãŒã®æŠå¿µãåèããçµæã§ãã Internet Explorer 10ã¯ãWindowsãªãã¬ãŒãã£ã³ã°ã·ã¹ãã ã§Webæ©èœãæã䟿å©ã«äœ¿çšã§ããããã«èšèšããã³æ§ç¯ãããŠããŸãã Windows Consumer Previewã®äžéšã§ããæŽæ°ãããInternet Explorer 10ãã©ãŠã¶ãŒãšã³ãžã³ã®ãããã§ããŠãŒã¶ãŒã¯ã¿ããã³ã³ãããŒã«ããµããŒãããããã掻æ°ã®ããé«éã§åçãªWebã¢ããªã±ãŒã·ã§ã³ãããã«æ¥œããããšãã§ããŸãã Internet Explorer 10ã®ãã©ãããã©ãŒã ãã¬ãã¥ãŒã®5çªç®ã®ããŒãžã§ã³ã§ã¯ãããã©ãŒãã³ã¹ãåäžããããå€ãã®HTML5æ©èœããµããŒããããŸãã