[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"academy-blogs-en-1-1-all-js2go-ep27-logging-javascript-vs-go-all--*":3,"academy-blog-translations-ptjbq5axdepvyev":79},{"data":4,"page":78,"perPage":78,"totalItems":78,"totalPages":78},[5],{"alt":6,"collectionId":7,"collectionName":8,"content":9,"cover_image":10,"cover_image_path":11,"created":12,"created_by":13,"expand":14,"id":72,"keywords":73,"locale":49,"published_at":74,"scheduled_at":13,"school_blog":70,"short_description":75,"slug":76,"status":68,"title":6,"updated":77,"updated_by":13,"views":71},"JS2GO EP.27 Logging: JavaScript vs Go","sclblg987654321","school_blog_translations","\u003Cp>Logging is a crucial part of software development, whether it’s for debugging, monitoring, or tracking issues in production. Proper log management allows you to trace events in your code, analyze problems, and resolve them efficiently. This article compares how to implement logging in JavaScript (Node.js) and Go, with practical examples and best practices for production-ready applications.\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Ch2>1. Logging in JavaScript (Node.js)\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cp>JavaScript provides the built-in \u003Ccode inline=\"\">console\u003C\u002Fcode> object for basic logging. However, for production applications, using libraries like Winston or Pino is recommended for professional log management.\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Cp>Basic Logging with Console:\u003C\u002Fp>\u003Cpre>\u003Ccode class=\"language-javascript\">console.log(\"Informational message\");\nconsole.warn(\"Warning message\");\nconsole.error(\"Error message\");\n\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Cp>Logging with Winston:\u003C\u002Fp>\u003Cpre>\u003Ccode class=\"language-javascript\">const winston = require('winston');\n\nconst logger = winston.createLogger({\n  level: 'info',\n  format: winston.format.combine(\n      winston.format.timestamp(),\n      winston.format.json()\n  ),\n  transports: [\n    new winston.transports.Console(),\n    new winston.transports.File({ filename: 'app.log' })\n  ]\n});\n\nlogger.info('Server started');\nlogger.warn('Low disk space');\nlogger.error('Database connection failed');\n\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Cp>Advantages of JavaScript Logging\u003Cbr>✔️ Easy to use with a large ecosystem\u003Cbr>✔️ Supports log levels, timestamps, and file output\u003Cbr>✔️ Can integrate with monitoring tools like Loggly or Datadog\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Cp>Limitations\u003Cbr>⚠️ \u003Ccode inline=\"\">console.log\u003C\u002Fcode> in production lacks level control\u003Cbr>⚠️ Requires additional libraries for production-grade logging\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Ch2>2. Logging in Go\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cp>Go has a built-in \u003Ccode inline=\"\">log\u003C\u002Fcode> package for basic logging and libraries like Logrus or Zap for structured, production-ready logging.\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Cp>Basic Logging with log:\u003C\u002Fp>\u003Cpre>\u003Ccode class=\"language-plaintext language-go\">package main\n\nimport (\n    \"log\"\n)\n\nfunc main() {\n    log.Println(\"Informational message\")\n    log.Println(\"Warning message\")\n    log.Println(\"Error message\")\n}\n\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Cp>Logging with Logrus:\u003C\u002Fp>\u003Cpre>\u003Ccode class=\"language-plaintext language-go\">package main\n\nimport (\n    log \"github.com\u002Fsirupsen\u002Flogrus\"\n)\n\nfunc main() {\n    log.SetFormatter(&log.JSONFormatter{})\n    log.SetLevel(log.InfoLevel)\n\n    log.Info(\"Server started\")\n    log.Warn(\"Low disk space\")\n    log.Error(\"Database connection failed\")\n}\n\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Cp>Advantages of Go Logging\u003Cbr>✔️ Type-safe with compile-time error checking\u003Cbr>✔️ Supports structured logging (JSON)\u003Cbr>✔️ Supports log levels, file output, and integration with monitoring\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Cp>Limitations\u003Cbr>⚠️ Syntax is more verbose compared to JavaScript\u003Cbr>⚠️ Requires importing additional libraries for structured logging\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Ch2>3. Best Practices for Logging\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cp>✔️ Define clear log levels: Info \u002F Warn \u002F Error \u002F Debug\u003Cbr>✔️ Include timestamps and context in logs to analyze production issues\u003Cbr>✔️ Separate log output based on environment:\u003C\u002Fp>\u003Cul>\u003Cli>Development: console\u003C\u002Fli>\u003Cli>Production: file or remote logging\u003Cbr>✔️ Use structured logging (JSON format) for easy parsing and monitoring\u003Cbr>✔️ Avoid logging sensitive data such as passwords, tokens, or personal information\u003C\u002Fli>\u003C\u002Ful>\u003Cp> \u003C\u002Fp>\u003Chr>\u003Cp> \u003C\u002Fp>\u003Ch2>4. Comparison: JavaScript vs Go Logging\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cfigure class=\"table\">\u003Ctable>\u003Cthead>\u003Ctr>\u003Cth>Feature\u003C\u002Fth>\u003Cth>JavaScript\u003C\u002Fth>\u003Cth>Go\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\u003Ctr>\u003Ctd>Built-in\u003C\u002Ftd>\u003Ctd>console\u003C\u002Ftd>\u003Ctd>log\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Library\u003C\u002Ftd>\u003Ctd>winston, pino\u003C\u002Ftd>\u003Ctd>logrus, zap\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Levels\u003C\u002Ftd>\u003Ctd>info, warn, error\u003C\u002Ftd>\u003Ctd>Info, Warn, Error, Debug\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Format\u003C\u002Ftd>\u003Ctd>plain text \u002F JSON\u003C\u002Ftd>\u003Ctd>plain text \u002F JSON\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Structured logging\u003C\u002Ftd>\u003Ctd>✔️ (library)\u003C\u002Ftd>\u003Ctd>✔️ (library)\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Type safety\u003C\u002Ftd>\u003Ctd>❌ No\u003C\u002Ftd>\u003Ctd>✔️ Yes\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Production-ready\u003C\u002Ftd>\u003Ctd>Requires library\u003C\u002Ftd>\u003Ctd>Library or built-in log\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftbody>\u003C\u002Ftable>\u003C\u002Ffigure>\u003Cp> \u003C\u002Fp>\u003Cp>Recommendation:\u003Cbr>✔️ Web apps \u002F frontend-heavy apps → Use Node.js + Winston\u002FPino\u003Cbr>✔️ Backend \u002F server \u002F microservices → Use Go + Logrus\u002FZap\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Ch2>Next Episode\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cp>In EP.28 of JS2GO, we will explore Advanced Error Handling: Stack Trace and Logging to help you debug and analyze issues in your system like a pro.\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Cp data-start=\"498\" data-end=\"834\">\u003Cstrong>Read more\u003C\u002Fstrong>\u003C\u002Fp>\u003Cul>\u003Cli>\u003Cp data-start=\"498\" data-end=\"834\">\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.superdev.school\u002Fblogs\u002Fcategories\u002FGolang\">\u003Cstrong>Golang The Series\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003C\u002Fli>\u003Cli>\u003Cp data-start=\"498\" data-end=\"834\">\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.superdev.school\u002Fblogs\u002Fcategories\u002FJS2GO\">\u003Cstrong>JS2GO\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003C\u002Fli>\u003Cli>\u003Cp data-start=\"498\" data-end=\"834\">\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.superdev.school\u002Fen\u002Fblogs\u002Fcategories\u002FTailwind%20CSS\">\u003Cstrong>10 Eps That Will Make You a Pro Tailwind CSS Overnight\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003C\u002Fli>\u003C\u002Ful>\u003Cp>\u003Cstrong>🔵 Facebook: \u003C\u002Fstrong>\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.facebook.com\u002Fsuperdev.academy.th\">\u003Cstrong>Superdev 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href=\"https:\u002F\u002Fwww.superdevacademy.com\u002Fen\">\u003Cstrong>https:\u002F\u002Fwww.superdevacademy.com\u002Fen\u003C\u002Fstrong>\u003C\u002Fa>\u003Cstrong> \u003C\u002Fstrong>\u003C\u002Fp>","54_11zon_obaq532xks.webp","https:\u002F\u002Ftwsme-r2.tumwebsme.com\u002Fsclblg987654321\u002Fem7wrv9dy38afhh\u002F54_11zon_obaq532xks.webp","2026-03-04 08:46:09.705Z","",{"keywords":15,"locale":43,"school_blog":53},[16,23,28,33,38],{"collectionId":17,"collectionName":18,"created":19,"created_by":13,"id":20,"name":21,"updated":22,"updated_by":13},"sclkey987654321","school_keywords","2026-03-04 08:33:55.302Z","0mue4zt83jcdtq9","Logging","2026-04-10 16:08:03.396Z",{"collectionId":17,"collectionName":18,"created":24,"created_by":13,"id":25,"name":26,"updated":27,"updated_by":13},"2026-03-04 08:20:11.547Z","ey3puyme01a9bsw","Go","2026-04-10 16:07:25.893Z",{"collectionId":17,"collectionName":18,"created":29,"created_by":13,"id":30,"name":31,"updated":32,"updated_by":13},"2026-03-04 08:20:42.484Z","vslzz9nvv6n77cx","JavaScript","2026-04-10 16:07:28.339Z",{"collectionId":17,"collectionName":18,"created":34,"created_by":13,"id":35,"name":36,"updated":37,"updated_by":13},"2026-03-04 08:24:40.405Z","05u3tysava2z6ga","Node.js","2026-04-10 16:07:29.504Z",{"collectionId":17,"collectionName":18,"created":39,"created_by":13,"id":40,"name":41,"updated":42,"updated_by":13},"2026-03-04 08:45:30.765Z","nayuhpre9emd5xw","JS2GO","2026-04-10 16:12:59.160Z",{"code":44,"collectionId":45,"collectionName":46,"created":47,"flag":48,"id":49,"is_default":50,"label":51,"updated":52},"en","pbc_1989393366","locales","2026-01-22 11:00:02.726Z","twemoji:flag-united-states","qv9c1llfov2d88z",false,"English","2026-04-10 15:42:46.825Z",{"category":54,"collectionId":55,"collectionName":56,"expand":57,"id":70,"views":71},"hsa1afr8fcnd6qb","pbc_2105096300","school_blogs",{"category":58},{"blogIds":59,"collectionId":60,"collectionName":61,"created":62,"created_by":13,"id":54,"image":63,"image_alt":13,"image_path":64,"label":65,"name":41,"priority":66,"publish_at":67,"scheduled_at":13,"status":68,"updated":69,"updated_by":13},[],"sclcatblg987654321","school_category_blogs","2026-03-04 08:24:37.986Z","js2_go_2_11zon_y6paxmuz32.webp","https:\u002F\u002Ftwsme-r2.tumwebsme.com\u002Fsclcatblg987654321\u002Fhsa1afr8fcnd6qb\u002Fjs2_go_2_11zon_y6paxmuz32.webp",{"en":41,"th":41},10,"2025-08-11 03:41:08.820Z","published","2026-04-25 02:32:14.339Z","ptjbq5axdepvyev",205,"em7wrv9dy38afhh",[20,25,30,35,40],"2025-10-09 01:26:05.065Z","Learn how to implement logging in JavaScript and Go with practical examples and best practices to efficiently track events, debug issues, and manage logs professionally in your applications","js2go-ep27-logging-javascript-vs-go","2026-04-25 02:48:00.774Z",1,{"en":76}]