Chapter 12. L

Table of Contents
Label An identifier marking a section of code.
Label object Adds a legend label to an input object.
Label.htmlFor A means of associating the label with an Input object.
LANG="..." A tag attribute that specifies the international language of some content.
Language codes Language codes are used to define locale specific handling.
Layer object An object representing an HTML <LAYER> tag.
Layer() A means of creating new layers in Netscape.
Layer.above The layer immediately above the receiving layer object, (or null, if this is the highest layer).
Layer.background The background object of a layer.
Layer.below The layer immediately below the receiving layer object.
Layer.bgColor The background color of a layer.
Layer.captureEvents() Part of the Netscape 4 event propagation complex.
Layer.clip An object that represents the clip region within a layer.
Layer.clip.bottom The bottom edge of a layer's clip region.
Layer.clip.height The height of a layer's clip region.
Layer.clip.left The left edge of a layer's clip region.
Layer.clip.right The right edge of a layer's clip region. The top edge of a layer's clip region.
Layer.clip.width The width of a layer's clip region.
Layer.document The document object containing this layer.
Layer.handleEvent() Pass an event to the appropriate handler for this object.
Layer.hidden A deprecated property that indicates whether a layer is hidden or not.
Layer.layers[] A deprecated property providing a list of child layers within this layer.
Layer.left The x-coordinate relative to the containing layer.
Layer.load() A method to load a new URL and resize a layer.
Layer.moveAbove() Adjusts the Z ordering of a layer.
Layer.moveBelow() Adjusts the Z ordering of a layer.
Layer.moveBy() Adjusts the X,Y position of a layer.
Layer.moveTo() Adjust the X,Y position of a layer.
Layer.moveToAbsolute() Adjust the X,Y position of a layer. This corresponds to the NAME attribute of the <LAYER> tag.
Layer.offset() A deprecated means of moving layers.
Layer.pageX The X-coordinate of the layer relative to the top level document.
Layer.pageY The Y-coordinate of the layer relative to the top level document.
Layer.parentLayer The layer containing the current layer (for a single layer, this is the window object).
Layer.releaseEvents() Part of the Netscape 4 event propagation complex.
Layer.resizeBy() Adjusts the size of a layer by a relative amount.
Layer.resizeTo() Adjusts the size of a layer to an absolute value.
Layer.routeEvent() Part of the Netscape event propagation complex.
Layer.siblingAbove A layer that is related to this layer and above it in the Z ordering.
Layer.siblingBelow A layer that is related to this layer and below it in the Z ordering.
Layer.src The source URL for a layer. The y-coordinate (in pixels) of the layer relative to its containing layer.
Layer.visibility Whether a layer is visible or not.
Layer.window The window that this layer belongs to.
Layer.x The present X position of this layer.
Layer.y The present Y position of this layer.
Layer.zIndex The location of the layer within the Z ordered list of layers.
LayerArray object An array containing a list of layers in the document.
LayerArray.length This value reflects the number of <LAYER> tags that are in the document.
.lck Netscape configuration file (old style).
Left shift A leftwards shift of a bit pattern.
Left-Hand-Side expression Left values are the destination of an assignment.
Legend object The Legend object relates to a field-set within a form.
Legend.align The alignment of the Legend object relative to its surrounding objects.
Legend.padding The padding around a Legend object.
length The length, magnitude, or size of an object depending on its type.
Length units A sub-set of the available set of measurement units used with CSS style sheets and style object properties.
Less than (<) Compare two operands to determine which is nearer to -Infinity.
Less than or equal to (<=) Compare two operands to determine which is nearer to -Infinity or whether they are equal.
Letter A valid and printable character.
Lexical convention ECMAScript defined certain lexical conventions.
Lexical element A component from which a script is constructed.
Lexical scoping The scope within which functions are executed.
LI object An object that represents an <LI> object in the document.
LI.type A type indicator that controls the presentation style of an item in the list that the <LI> object belongs to.
LI.value A means of resetting an enumerator in an ordered list contained in an <OL> block.
Liberate TV Navigator An interactive TV set-top box environment.
Light() A visual filter for simulating a lighting model.
Limits A set of constraints within which the script must operate.
Line A fragment of script source text.
Line terminator Line terminators separate individual lines of executable code.
LINK object An object that represents HTML <LINK> tags in documents.
LINK.charset The character set that the document at the other end of a link's URL is expected to use.
LINK.disabled A switch property to enable or disable a link.
LINK.href The URL of a document belonging to the link object (this is readonly in IE4 on the Macintosh).
LINK.hreflang The language that the document at the other end of the URL is expected to conform to. The target media that the document will be output to.
LINK.readyState The current disposition of the link as it is being loaded from the server.
LINK.rel The relationship between the current element and the remote document.
LINK.rev The relationship between the remote document and the current element.
LINK.title The title name text of the link.
LINK.type The MIME type of the document that the link points at.
LinkArray object A collection of link objects belonging to a document.
LinkArray.length The number of HREF links in the current document.
LinkStyle object Added at DOM level 2 to support linked stylesheets.
List type An internal type used by the interpreter.
LISTING object An object that represents the <LISTING> tag.
Literal Constant values used to initialize or assign a value.
Little endian A bit ordering standard for some CPU models.
LiveConnect A Netscape Communications technology that provides a means of communicating between plugins and Java applets.
LiveScript This was the original name for JavaScript when it was first introduced by Netscape Communications.
livescript: URL This is a pseudonym for the javascript: URL.
LiveWire Netscape Communications' server-side JavaScript compiler.
Local time The locale specific time value.
Local time zone adjustment An adjustment to locale specific time.
Locale-specific behavior Behavior that depends on a locale setting.
Localization The process by which geographic, international and regional differences are managed.
location An alias for the window.location property.
Location object An object that represents the location of a document.
Location.assign() Equivalent to setting the HREF attribute to load a new page.
Location.hash The hash target portion of the href property. (The hash after the URL refers to an anchor location in the document). The hostname and port number portion of the href property.
Location.hostname The hostname-only portion of the href property.
Location.href The URL for the page currently on display in the window owning this location.
Location.pathname The file path portion of the href property.
Location.port The port number within the href property.
Location.protocol The protocol portion of the href property, such as: http:,ftp:,mailto:,file:,etc.
Location.reload() Reload the currently displayed page in the window that owns this location object.
Location.replace() Load a new page and replace the history entry. The query portion of the href property. The target window or frame that a location belongs to when its object represents an <A> tag.
Location.text The text contained within the <A> and </A> tags when the location describes an anchor.
Location.x The X coordinate of the anchor on the client display surface.
Location.y The Y co-ordinate of the anchor on the client display surface.
locationbar An alias for the window.locationbar property.
Lock object Provides a way of locking objects against multiple simultaneous access by several clients at once.
Lock() A constructor for creating new Lock objects.
Lock.constructor A reference to the constructor for making new Lock objects.
Lock.isValid() A method that returns an indication as to the validity of the lock.
Lock.lock() Places a lock on the object.
Lock.prototype The prototype for the Lock object that can be used to extend the interface for all Lock objects, by allowing you to add methods and properties.
Lock.unlock() Relinquish a lock on the object.
Logical AND (&&) Logical AND of two operands.
Logical constant A Boolean constant value.
Logical entity Boolean logical values are represented as an entity internally.
Logical expression An expression whose result is a Boolean value.
Logical NOT - complement (!) Logical NOT operator.
Logical operator An operator that creates a logical (Boolean) expression.
Logical OR (||) Logical OR of two operands.
Logical XOR Logically exclusive OR of two values.
long Reserved for future language enhancements.
Low order bit The least significant bit in an integer value.
LValue LValues are placed on the left of an assignment.