Document Object ModelDocumentコンストラクターDocument()インスタンスプロパティactiveElementadoptedStyleSheets (en-US)alinkColor 非推奨 all 非推奨 anchors 非推奨 applets 非推奨 bgColor 非推奨 bodycharacterSetchildElementCountchildren (en-US)compatModecontentTypecookiecurrentScriptdefaultViewdesignModedirdoctypedocumentElementdocumentURIdomain 非推奨 embedsfeaturePolicy Experimental fgColor 非推奨 firstElementChild (en-US)fontsformsfragmen
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