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    Copyright
    About the Authors
    Acknowledgments
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    Introduction
    Pt. I. A Programmer's Overview of JavaScript
    Pt. II. Programming in JavaScript
    Pt. III. JavaScript Reference by Object
    Ch.  6. Core Syntax
    Ch.  7. Client-Side Browser Syntax
    Anchor
    Anchor.name
    Anchor.text
    Anchor.x
    Anchor.y
    Applet
    Area
    Area.handleEvent()
    Area.hash
    Area.host
    Area.hostname
    Area.href
    Area.onDblClick
    Area.onMouseOut
    Area.onMouseOver
    Area.pathname
    Area.port
    Area.protocol
    Area.search
    Area.target
    Button
    Button.blur()
    Button.click()
    Button.focus()
    Button.form
    Button.handleEvent()
    Button.name
    Button.onBlur
    Button.onClick
    Button.onFocus
    Button.onMouseDown
    Button.onMouseUp
    Button.type
    Button.value
    Checkbox
    Checkbox.blur()
    Checkbox.checked
    Checkbox.click()
    Checkbox.defaultChecked
    Checkbox.focus()
    Checkbox.form
    Checkbox.handleEvent()
    Checkbox.name
    Checkbox.onBlur
    Checkbox.onClick
    Checkbox.onFocus
    Checkbox.type
    Checkbox.value
    Document
    document.alinkColor
    document.all
    document.all.item()
    document.all.tags()
    document.anchors
    document.anchors.length
    document.applets
    document.applets.length
    document.bgColor
    document.captureEvents()
    document.classes
    document.classes.align
    document.classes.backgroundColor
    document.classes.backgroundImage
    document.classes.borderBottomWidth
    document.classes.borderColor
    document.classes.borderLeftWidth
    document.classes.borderRightWidth
    document.classes.borderStyle
    document.classes.borderTopWidth
    document.classes.borderWidths()
    document.classes.clear
    document.classes.color
    document.classes.display
    document.classes.fontFamily
    document.classes.fontSize
    document.classes.fontStyle
    document.classes.fontWeight
    document.classes.lineHeight
    document.classes.listStyleType
    document.classes.marginBottom
    document.classes.marginLeft
    document.classes.marginRight
    document.classes.margins()
    document.classes.marginTop
    document.classes.paddingBottom
    document.classes.paddingLeft
    document.classes.paddingRight
    document.classes.paddings()
    document.classes.paddingTop
    document.classes.textAlign
    document.classes.textDecoration
    document.classes.textIndent
    document.classes.textTransform
    document.classes.whiteSpace
    document.close()
    document.cookie
    document.domain
    document.embeds
    document.embeds.length
    document.fgColor
    document.forms
    document.forms.length
    document.getSelection()
    document.handleEvent()
    document.ids
    document.ids.align
    document.ids.backgroundColor
    document.ids.backgroundImage
    document.ids.borderBottomWidth
    document.ids.borderColor
    document.ids.borderLeftWidth
    document.ids.borderRightWidth
    document.ids.borderStyle
    document.ids.borderTopWidth
    document.ids.borderWidths()
    document.ids.clear
    document.ids.color
    document.ids.display
    document.ids.fontFamily
    document.ids.fontSize
    document.ids.fontStyle
    document.ids.fontWeight
    document.ids.lineHeight
    document.ids.listStyleType
    document.ids.marginBottom
    document.ids.marginLeft
    document.ids.marginRight
    document.ids.margins()
    document.ids.marginTop
    document.ids.paddingBottom
    document.ids.paddingLeft
    document.ids.paddingRight
    document.ids.paddings()
    document.ids.paddingTop
    document.ids.textAlign
    document.ids.textDecoration
    document.ids.textIndent
    document.ids.textTransform
    document.ids.whiteSpace
    document.images
    document.images.length
    document.lastModified
    document.layers
    document.layers.length
    document.linkColor
    document.links
    document.links.length
    document.onClick
    document.onDblClick
    document.onKeyDown
    document.onKeyPress
    document.onKeyUp
    document.onLoad
    document.onMouseDown
    document.onMouseUp
    document.onUnLoad
    document.open()
    document.plugins
    document.plugins.length
    document.referrer
    document.releaseEvents()
    document.routeEvent()
    document.tags
    document.tags.align
    document.tags.backgroundColor
    document.tags.backgroundImage
    document.tags.borderBottomWidth
    document.tags.borderColor
    document.tags.borderLeftWidth
    document.tags.borderRightWidth
    document.tags.borderStyle
    document.tags.borderTopWidth
    document.tags.borderWidths()
    document.tags.clear
    document.tags.color
    document.tags.display
    document.tags.fontFamily
    document.tags.fontSize
    document.tags.fontStyle
    document.tags.fontWeight
    document.tags.lineHeight
    document.tags.listStyleType
    document.tags.marginBottom
    document.tags.marginLeft
    document.tags.marginRight
    document.tags.margins()
    document.tags.marginTop
    document.tags.paddingBottom
    document.tags.paddingLeft
    document.tags.paddingRight
    document.tags.paddings()
    document.tags.paddingTop
    document.tags.textAlign
    document.tags.textDecoration
    document.tags.textIndent
    document.tags.textTransform
    document.tags.whiteSpace
    document.title
    document.URL
    document.vlinkColor
    document.write()
    document.writeln()
    Embed
    Event
    event.data
    event.height
    event.layerX
    event.layerY
    event.modifiers
    event.pageX
    event.pageY
    event.screenX
    event.screenY
    event.target
    event.type
    event.which
    event.width
    Event.ABORT
    Event.BLUR
    Event.CHANGE
    Event.CLICK
    Event.DBLCLICK
    Event.DRAGDROP
    Event.ERROR
    Event.FOCUS
    Event.KEYDOWN
    Event.KEYPRESS
    Event.KEYUP
    Event.LOAD
    Event.MOUSEDOWN
    Event.MOUSEMOVE
    Event.MOUSEOUT
    Event.MOUSEOVER
    Event.MOUSEUP
    Event.MOVE
    Event.RESET
    Event.RESIZE
    Event.SELECT
    Event.SUBMIT
    Event.UNLOAD
    FileUpload
    FileUpload.blur()
    FileUpload.focus()
    FileUpload.form
    FileUpload.handleEvent()
    FileUpload.name
    FileUpload.onBlur
    FileUpload.onChange
    FileUpload.onFocus
    FileUpload.select()
    FileUpload.type
    FileUpload.value
    Form
    Form.action
    Form.elements
    Form.elements.length
    Form.encoding
    Form.handleEvent()
    Form.length
    Form.method
    Form.name
    Form.onReset
    Form.onSubmit
    Form.reset()
    Form.submit()
    Form.target
    Frame
    Frame.blur()
    Frame.clearInterval()
    Frame.clearTimeout()
    Frame.document
    Frame.focus()
    Frame.frames
    Frame.length
    Frame.name
    Frame.onBlur
    Frame.onFocus
    Frame.onMove
    Frame.onResize
    Frame.parent
    Frame.print()
    Frame.self
    Frame.setInterval()
    Frame.setTimeout()
    Frame.top
    Frame.window
    Hidden
    Hidden.form
    Hidden.name
    Hidden.type
    Hidden.value
    History
    History.back()
    History.current
    History.forward()
    History.go()
    History.length
    History.next
    History.previous
    Image
    Image.border
    Image.complete
    Image.handleEvent()
    Image.height
    Image.hspace
    Image.lowsrc
    Image.name
    Image.onAbort
    Image.onError
    Image.onKeyDown
    Image.onKeyPress
    Image.onKeyUp
    Image.onLoad
    Image.src
    Image.vspace
    Image.width
    Layer
    Layer.above
    Layer.background
    Layer.below
    Layer.bgColor
    Layer.captureEvents()
    Layer.clip.bottom
    Layer.clip.height
    Layer.clip.left
    Layer.clip.right
    Layer.clip.top
    Layer.clip.width
    Layer.document
    Layer.handleEvent()
    Layer.left
    Layer.load()
    Layer.moveAbove()
    Layer.moveBelow()
    Layer.moveBy()
    Layer.moveTo()
    Layer.moveToAbsolute()
    Layer.name
    Layer.onBlur
    Layer.onFocus
    Layer.onLoad
    Layer.onMouseOut
    Layer.onMouseOver
    Layer.pageX
    Layer.pageY
    Layer.parentLayer
    Layer.releaseEvents()
    Layer.resizeBy()
    Layer.resizeTo()
    Layer.routeEvent()
    Layer.siblingAbove
    Layer.siblingBelow
    Layer.src
    Layer.top
    Layer.visibility
    Layer.zIndex
    Link
    Link.handleEvent()
    Link.hash
    Link.host
    Link.hostname
    Link.href
    Link.onClick
    Link.onDblClick
    Link.onKeyDown
    Link.onKeyPress
    Link.onKeyUp
    Link.onMouseDown
    Link.onMouseOut
    Link.onMouseOver
    Link.onMouseUp
    Link.pathname
    Link.port
    Link.protocol
    Link.search
    Link.target
    Link.text
    Location
    Location.hash
    Location.host
    Location.hostname
    Location.href
    Location.pathname
    Location.port
    Location.protocol
    Location.reload()
    Location.replace()
    Location.search
    MimeType
    MimeType.description
    MimeType.enabledPlugin
    MimeType.suffixes
    MimeType.type
    navigator
    navigator.appCodeName
    navigator.appName
    navigator.appVersion
    navigator.javaEnabled()
    navigator.language
    navigator.mimeTypes
    navigator.platform
    navigator.plugins
    navigator.plugins.refresh()
    navigator.preference()
    navigator.taintEnabled()
    navigator.userAgent
    Option
    Option.defaultSelected
    Option.selected
    Option.text
    Option.value
    Password
    Password.blur()
    Password.defaultValue
    Password.focus()
    Password.form
    Password.handleEvent()
    Password.name
    Password.onBlur
    Password.onFocus
    Password.select()
    Password.type
    Password.value
    Plugin
    Plugin.description
    Plugin.filename
    Plugin.length
    Plugin.name
    Radio
    Radio.blur()
    Radio.checked
    Radio.click()
    Radio.defaultChecked
    Radio.focus()
    Radio.form
    Radio.handleEvent()
    Radio.name
    Radio.onBlur
    Radio.onClick
    Radio.onFocus()
    Radio.type
    Radio.value
    Reset
    Reset.blur()
    Reset.click()
    Reset.focus()
    Reset.form
    Reset.handleEvent()
    Reset.name
    Reset.onBlur
    Reset.onClick
    Reset.onFocus
    Reset.type
    Reset.value
    screen
    screen.availHeight
    screen.availWidth
    screen.colorDepth
    screen.height
    screen.pixelDepth
    screen.width
    Select
    Select.blur()
    Select.focus()
    Select.form
    Select.handleEvent()
    Select.length
    Select.name
    Select.onBlur
    Select.onChange
    Select.onFocus
    Select.options
    Select.options.length
    Select.options.selectedIndex
    Select.options.value
    Select.selectedIndex
    Select.type
    Submit
    Submit.blur()
    Submit.click()
    Submit.focus()
    Submit.form
    Submit.handleEvent()
    Submit.name
    Submit.onBlur
    Submit.onClick
    Submit.onFocus
    Submit.type
    Submit.value
    taint()
    Text
    Text.blur()
    Text.defaultValue
    Text.focus()
    Text.form
    Text.handleEvent()
    Text.name
    Text.onBlur
    Text.onChange
    Text.onFocus
    Text.onSelect
    Text.select()
    Text.type
    Text.value
    Textarea
    Textarea.blur()
    Textarea.defaultValue
    Textarea.focus()
    Textarea.form
    Textarea.handleEvent()
    Textarea.name
    Textarea.onBlur
    Textarea.onChange
    Textarea.onFocus
    Textarea.onKeyDown
    Textarea.onKeyPress
    Textarea.onKeyUp
    Textarea.onSelect
    Textarea.select()
    Textarea.type
    Textarea.value
    untaint()
    Window
    window.alert()
    window.back()
    window.blur()
    window.captureEvents()
    window.clearInterval()
    window.clearTimeout()
    window.close()
    window.closed
    window.confirm()
    window.defaultStatus
    window.disableExternalCapture()
    window.document
    window.enableExternalCapture()
    window.find()
    window.focus()
    window.forward()
    window.frames
    window.frames.length
    window.handleEvent()
    window.history
    window.home()
    window.innerHeight
    window.innerWidth
    window.length
    window.location
    window.locationbar
    window.locationbar.visible
    window.menubar
    window.menubar.visible
    window.moveBy()
    window.moveTo()
    window.name
    window.onBlur
    window.onDragDrop
    window.onError
    window.onFocus
    window.onLoad
    window.onMove
    window.onResize
    window.onUnLoad
    window.open()
    window.opener
    window.outerHeight
    window.outerWidth
    window.pageXOffset
    window.pageYOffset
    window.parent
    window.personalbar
    window.personalbar.visible
    window.print()
    window.prompt()
    window.releaseEvents()
    window.resizeBy()
    window.resizeTo()
    window.routeEvent()
    window.scroll()
    window.scrollbars
    window.scrollbars.visible
    window.scrollBy()
    window.scrollTo()
    window.self
    window.setInterval()
    window.setTimeout()
    window.status
    window.statusbar
    window.statusbar.visible
    window.stop()
    window.toolbar
    window.toolbar.visible
    window.top
    Ch.  8. Netscape's Server-Side Additions
    Ch.  9. Microsoft's Scripting Engine Extensions
    Pt. IV. Appendixes
    Index
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    Chapter 7. Client-Side Browser Syntax > navigator.preference()

    navigator.preference()

    JavaScript 1.2+, JScript 1.0+ Nav4+, IE 4+, Opera3+ Syntax

    navigator.preference(name)

navigator.preference(name, value)

    Description

    The preference() method of the navigator object is used to read or set any user preferences in the browser. For security reasons, reading a preference with the preference() method requires the UniversalPreferencesRead privilege. Setting a preference with this method requires the UniversalPreferencesWrite privilege.


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