Console_
Value members
Concrete methods
A simple assertion test that verifies whether value
is truthy.
If it is not, an AssertionError
is thrown.
If provided, the error message
is formatted using util.format()
and used as the error message.
A simple assertion test that verifies whether value
is truthy.
If it is not, an AssertionError
is thrown.
If provided, the error message
is formatted using util.format()
and used as the error message.
When stdout
is a TTY, calling console.clear()
will attempt to clear the TTY.
When stdout
is not a TTY, this method does nothing.
When stdout
is a TTY, calling console.clear()
will attempt to clear the TTY.
When stdout
is not a TTY, this method does nothing.
Maintains an internal counter specific to label
and outputs to stdout
the number of times console.count()
has been called with the given label
.
Maintains an internal counter specific to label
and outputs to stdout
the number of times console.count()
has been called with the given label
.
The console.debug()
function is an alias for [[console.log]]
.
The console.debug()
function is an alias for [[console.log]]
.
Uses [[util.inspect]]
on obj
and prints the resulting string to stdout
.
This function bypasses any custom inspect()
function defined on obj
.
Uses [[util.inspect]]
on obj
and prints the resulting string to stdout
.
This function bypasses any custom inspect()
function defined on obj
.
This method calls [[console.log]]
passing it the arguments received. Please note that this method does not produce any XML formatting
This method calls [[console.log]]
passing it the arguments received. Please note that this method does not produce any XML formatting
Increases indentation of subsequent lines by two spaces.
If one or more label
s are provided, those are printed first without the additional indentation.
Increases indentation of subsequent lines by two spaces.
If one or more label
s are provided, those are printed first without the additional indentation.
The console.groupCollapsed()
function is an alias for [[console.group]]
.
The console.groupCollapsed()
function is an alias for [[console.group]]
.
Decreases indentation of subsequent lines by two spaces.
Decreases indentation of subsequent lines by two spaces.
The [[console.info]]
function is an alias for [[console.log]]
.
The [[console.info]]
function is an alias for [[console.log]]
.
This method does not display anything unless used in the inspector. Starts a JavaScript CPU profile with an optional label.
This method does not display anything unless used in the inspector. Starts a JavaScript CPU profile with an optional label.
This method does not display anything unless used in the inspector. Stops the current JavaScript CPU profiling session if one has been started and prints the report to the Profiles panel of the inspector.
This method does not display anything unless used in the inspector. Stops the current JavaScript CPU profiling session if one has been started and prints the report to the Profiles panel of the inspector.
This method does not display anything unless used in the inspector.
Prints to stdout
the array array
formatted as a table.
This method does not display anything unless used in the inspector.
Prints to stdout
the array array
formatted as a table.
Starts a timer that can be used to compute the duration of an operation. Timers are identified by a unique label
.
Starts a timer that can be used to compute the duration of an operation. Timers are identified by a unique label
.
Stops a timer that was previously started by calling [[console.time]]
and prints the result to stdout
.
Stops a timer that was previously started by calling [[console.time]]
and prints the result to stdout
.
For a timer that was previously started by calling [[console.time]]
, prints the elapsed time and other data
arguments to stdout
.
For a timer that was previously started by calling [[console.time]]
, prints the elapsed time and other data
arguments to stdout
.
This method does not display anything unless used in the inspector.
Adds an event with the label label
to the Timeline panel of the inspector.
This method does not display anything unless used in the inspector.
Adds an event with the label label
to the Timeline panel of the inspector.
Prints to stderr
the string 'Trace :', followed by the [[util.format]]
formatted message and stack trace to the current position in the code.
Prints to stderr
the string 'Trace :', followed by the [[util.format]]
formatted message and stack trace to the current position in the code.