在navigator.onLine 属性更改并变为 false时，在 body或冒泡到body上的offline事件被触发。
另见
- Document Object Model
Document- 属性
activeElementalinkColoranchorsappletsasyncbgColorbodycharacterSetchildElementCountchildrencompatModecontentTypecurrentScriptdefaultViewdesignModedirdoctypedocumentElementdocumentURIdocumentURIObjectdomaindomConfigembedsfgColorfirstElementChildformsmozFullScreenmozFullScreenElementmozFullScreenEnabledheadheighthidden[我来译!]imagesimplementationlastElementChildlastModifiedlastStyleSheetSetlinkColorlinkslocationmozSyntheticDocument[我来译!]onabortonafterscriptexecuteonbeforescriptexecuteonbluronchangeonclickoncloseoncontextmenuondblclickonerroronfocusonfullscreenchangeonfullscreenerror[我来译!]oninputonkeydownonkeypressonkeyuponloadonmousedownonmousemoveonmouseoutonmouseoveronmouseuponofflineononline[我来译!]onpointercancel[我来译!]onpointerdown[我来译!]onpointerenter[我来译!]onpointerleave[我来译!]onpointermove[我来译!]onpointerout[我来译!]onpointerover[我来译!]onpointerup[我来译!]onreset[我来译!]onresizeonscrollonselectonselectionchange[我来译!]onselectstart[我来译!]onsubmitontouchcancel[我来译!]ontouchmoveontouchstart[我来译!]origin[我来译!]plugins[我来译!]pointerLockElement[我来译!]popupNode[我来译!]preferredStyleSheetSet[我来译!]readyStatereferrerscriptsscrollingElement[我来译!]selectedStyleSheetSet[我来译!]styleSheetsstyleSheetSets[我来译!]timeline[我来译!]titletooltipNodeURLvisibilityState[我来译!]vlinkColor[我来译!]widthxmlEncoding[我来译!]xmlVersion[我来译!]
- 方法
adoptNode()[我来译!]append()[我来译!]caretPositionFromPoint()caretRangeFromPoint()[我来译!]clear()[我来译!]closecreateAttributecreateCDATASection()[我来译!]createCommentcreateDocumentFragment()createElement()createElementNS()createEntityReference()[我来译!]createEvent()[我来译!]createExpressioncreateNodeIterator()[我来译!]createNSResolver()[我来译!]createProcessingInstruction()[我来译!]createRange()createTextNodecreateTouch()[我来译!]createTouchList()[我来译!]createTreeWalker()elementFromPoint()enableStyleSheetsForSet()[我来译!]evaluateexecCommandexitFullscreen()[我来译!]exitPointerLock()[我来译!]getAnimations()[我来译!]getBoxObjectFor()[我来译!]getElementByIdgetElementsByClassName()getElementsByName()getElementsByTagName()getElementsByTagNameNS()[我来译!]getSelectionhasFocusimportNodeloadOverlay()[我来译!]mozSetImageElement()[我来译!]open()[我来译!]prepend()[我来译!]queryCommandEnabled()[我来译!]queryCommandSupported()querySelector()querySelectorAllregisterElement()releaseCapturewritewriteln
- 继承
- Related pages for DOM
AttrByteStringCDATASectionCSSPrimitiveValueCSSValueCSSValueListCharacterDataChildNodeCommentCustomEventDOMConfigurationDOMErrorDOMErrorHandlerDOMExceptionDOMImplementationDOMImplementationListDOMImplementationRegistryDOMImplementationSourceDOMLocatorDOMObjectDOMParserDOMPointDOMRectDOMStringDOMTimeStampDOMTokenListDOMUserDataDocumentFragmentDocumentTypeElementElementTraversalEntityEntityReferenceEventEventTargetHTMLCollectionMutationObserverNodeNodeFilterNodeIteratorNodeListNonDocumentTypeChildNodeProcessingInstructionPromiseResolverRangeTextTextDecoderTextEncoderTimeRangesTreeWalkerTypeInfoUSVStringUserDataHandlerXMLDocument