HTML and CSS Reference
In-Depth Information
JavaScript Element
Description
Comment
An HTML or XML comment within the document
Properties
data
The text of the comment
length
The number of characters in the comment
Methods
appendData(
data
)
Appends
data
to the comment text
deleteData(
offset
,
count
)
Deletes data from the comment starting at
offset
for
count
characters
insertData(
offset
,
data
)
Inserts
data
into the comment starting at
offset
replaceData(
offset
,
count
,
data
)
Replaces characters in the comment with
data
starting at
offset
to
count
characters
substringData(
offset
,
count
)
Extracts a substring of characters starting with
offset
for
count
characters
Console
The built-in browser console used for debugging
Methods
assert(
expression
,
message
)
Displays the error message
message
if
expression
is false
count([
title
])
Displays
title
along with a count of the number of times this method has been called
debug(
message
)
Displays
message
as a text string
dir(
object
)
Displays the properties of
object
dirxml(
node
)
Displays the XML or HTML markup of
node
error(
message
)
Displays
message
marked as an error
group(
message
)
Display
message
as a collapsible group of debug messages
groupCollapsed(
message
)
Begins a new group of collapsed messages
groupEnd()
Ends the debugging group
info(
message
)
Displays
message
marked as information
log(
format
,
message
)
Displays
message
as a log message formatted as
format
profile(
title
)
Starts the JavaScript profiler, displaying
title
at the start of the report
time(
name
)
Starts a timer named
name
timeEnd(
name
)
Ends the timer named
name
trace()
Displays a stack trace
warn(
message
)
Displays
message
marked as a warning
CSSRule
A rule in a CSS style sheet
Properties
cssText
The text of the CSS rule
parentRule
The rule in which this rule is contained
parentStyle sheet
The style sheet in which this rule is contained
selectorText
The selector text to which this style rule is applied
style
The styles that should be applied to the selector
type
The type of the style rule
CSSStyleDeclaration
A set of CSS properties and their values
Properties
cssText
The text of the style properties and their values
length
The number of style property-value pairs
CSSStylesheet
A CSS style sheet
Properties
cssRules
An array object containing
CSSRule
objects
