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### Separator

Creates a small separating gap between elements. This type of separator should be used to separate parts of a dialog. It doesn't draw a bar visually, but is just a small space. It is functionally equivalent to a spacer except it defaults to a small size (usually 1.5 ems).

Attributes:

orient

Style Classes:

groove | groove-thin | thin

#### Attributes:

##### orient

Type: one of the values below

Used to specify whether the separator is a horizontal or vertical separator. Note that the values are the reverse of what seems more likely.

- horizontal: The separator separates vertically placed elements.
- vertical: The separator separates horizontally placed elements.

Inherited from XUL Element:

align | allowevents | allownegativeassertions | class | coalesceduplicatearcs
collapsed | container | containment | context | contextmenu
datasources | dir | empty | equalsize | flags
flex | height | hidden | id | insertafter
insertbefore | left | maxheight | maxwidth | menu
minheight | minwidth | mousethrough | observes | ordinal
orient | pack | persist | popup | position
preference-editable | ref | removeelement | sortDirection | sortResource
sortResource2 | statustext | style | template | tooltip
tooltiptext | top | uri | wait-cursor | width

#### Style Classes:

The following classes may be used to style the element. These classes should be used instead of changing the style of the element directly since they will fit more naturally with the user's selected theme.

##### groove

A grooved separator.

##### groove-thin

A thin grooved separator.

##### thin

A thinner separator which is usually 0.5 ems.

#### Properties and Methods:

Inherited from XUL Element:

align | allowEvents | blur | boxObject | boxObject.element
boxObject.getLookAndFeelMetric | boxObject.height | boxObject.screenX | boxObject.screenY | boxObject.width
boxObject.x | boxObject.y | builder | className | click
collapsed | contextMenu | controllers | database | datasources
dir | doCommand | flex | focus | getElementsByAttribute
height | hidden | id | left | maxHeight
maxWidth | menu | minHeight | minWidth | observes
ordinal | orient | pack | persist | ref
resource | statusText | style | tooltip | tooltipText
top | width

Inherited from Element:

addEventListener | appendChild | attributes | childNodes | cloneNode
dispatchEvent | firstChild | getAttribute | getAttributeNS | getAttributeNode
getAttributeNodeNS | getElementsByTagName | getElementsByTagNameNS | hasAttribute | hasAttributeNS
hasAttributes | hasChildNodes | insertBefore | isSupported | lastChild
localName | namespaceURI | nextSibling | nodeName | nodeType
nodeValue | normalize | ownerDocument | parentNode | prefix
previousSibling | removeAttribute | removeAttributeNS | removeAttributeNode | removeChild
removeEventListener | replaceChild | setAttribute | setAttributeNS | setAttributeNode
setAttributeNodeNS | tagName

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