Console — Console Output & Debugging Reference

Quick-reference skill for console output formatting, logging systems, ANSI escape codes, and debugging techniques.

When to Use

• - Formatting terminal output with colors and styles
• Implementing a logging system with proper levels
• Debugging with browser/Node.js console methods
• Building CLI tools with professional output
• Understanding ANSI escape codes and terminal capabilities

Commands

intro

CODEBLOCK0

Overview of console output — streams, TTY detection, output principles.

ansi

CODEBLOCK1

ANSI escape codes — colors, styles, cursor control, 256-color and truecolor.

logging

CODEBLOCK2

Log levels and best practices — DEBUG, INFO, WARN, ERROR, FATAL.

browser

CODEBLOCK3

Browser console API — log, table, group, time, profile, assert.

node

CODEBLOCK4

Node.js console and util — inspect, format, debug module, chalk.

cli

CODEBLOCK5

CLI output patterns — progress bars, spinners, tables, prompts.

debug

CODEBLOCK6

Debugging techniques — breakpoints, stack traces, conditional logging.

tools

CODEBLOCK7

Console tools and libraries — chalk, winston, pino, log4j, structlog.

help

CODEBLOCK8

version

CODEBLOCK9

Configuration