Console

Node.js console namespace -- output and debugging utilities.

Beyond this IDL surface, the enriched module also provides: Console constructor (new Console(stdout, stderr?, options?)), console._stdout, console._stderr, console._times, console._counters, and Symbol.hasInstance support for instanceof checks.

Module: node:console Support: Experimental Since: 1.1.0 Docs: Node.js Docs See also: https://nodejs.org/api/console.html

19 members: 19 undocumented

Static Methods

⚪ log(args)

Prints to stdout with newline. Multiple arguments can be passed.

⚪ info(args)

Alias for log(). Prints to stdout with newline.

⚪ warn(args)

Prints to stderr with newline.

⚪ error(args)

Prints to stderr with newline.

⚪ debug(args)

Prints to stdout with newline. Same as log().

⚪ trace(args)

Prints to stderr the string 'Trace: ' followed by a stack trace.

⚪ dir(obj, options)

Uses util.inspect() on obj and prints the resulting string to stdout.

⚪ dirxml(args)

Alias for log(). Calls console.log() passing the received arguments.

⚪ table(tabularData, properties)

Prints a table representation of the data.

⚪ clear()

Clears the console (when possible).

⚪ count(label)

Maintains an internal counter and outputs the number of times count()

⚪ countReset(label)

Resets the internal counter for the given label.

⚪ group(args)

Increases indentation of subsequent lines by spaces for grouping.

⚪ groupCollapsed(args)

Alias for group(). Starts a collapsed group.

⚪ groupEnd()

Decreases indentation of subsequent lines by spaces for grouping.

⚪ time(label)

Starts a timer with a given label. Use timeEnd() or timeLog() to stop/report.

⚪ timeEnd(label)

Stops a timer and prints elapsed time.

⚪ timeLog(label, args)

Prints the elapsed time for a running timer without stopping it.

⚪ assert(value, args)

Writes an error message to the console if the assertion is false.