[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"academy-blogs-en-1-1-all-js2go-ep22-json-javascript-vs-go-en-all--*":3,"academy-blog-translations-72y1x3l3uup0xlx":80},{"data":4,"page":79,"perPage":79,"totalItems":79,"totalPages":79},[5],{"alt":6,"collectionId":7,"collectionName":8,"content":9,"cover_image":10,"cover_image_path":11,"created":12,"created_by":13,"expand":14,"id":74,"keywords":75,"locale":49,"published_at":76,"scheduled_at":13,"school_blog":70,"short_description":77,"status":68,"title":6,"updated":78,"updated_by":13,"slug":71,"views":73},"JS2GO EP.22 Working with JSON — JavaScript vs Go","sclblg987654321","school_blog_translations","\u003Cp>JSON (JavaScript Object Notation) is a widely used data format for exchanging information between systems, especially in APIs and web services. Proper JSON handling ensures data accuracy, prevents runtime errors, and allows systems to run smoothly. In this article, we’ll compare how to parse, serialize, and handle JSON in JavaScript (Node.js) and Go, with clear code examples and best practices.\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Ch2>JSON Handling in JavaScript\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cp>JavaScript provides a built-in \u003Ccode inline=\"\">JSON\u003C\u002Fcode> object for parsing and stringifying JSON data.\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Ch3>Parsing JSON (String → Object)\u003C\u002Fh3>\u003Cpre>\u003Ccode class=\"language-javascript\">const jsonString = '{\"name\": \"Boom\", \"age\": 28}';\ntry {\n  const obj = JSON.parse(jsonString);\n  console.log(obj.name); \u002F\u002F Boom\n  console.log(obj.age);  \u002F\u002F 28\n} catch (err) {\n  console.error('Error parsing JSON:', err);\n}\n\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Ch3>Serializing Object → JSON String\u003C\u002Fh3>\u003Cpre>\u003Ccode class=\"language-javascript\">const user = { name: 'Boom', age: 28 };\nconst jsonStr = JSON.stringify(user);\nconsole.log(jsonStr); \u002F\u002F {\"name\":\"Boom\",\"age\":28}\n\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Cp>Advantages of JavaScript JSON\u003C\u002Fp>\u003Cul>\u003Cli>Built-in and easy to use\u003C\u002Fli>\u003Cli>Dynamic typing allows instant modification of objects\u003C\u002Fli>\u003Cli>Async\u002Fawait + fetch makes working with JSON APIs convenient\u003C\u002Fli>\u003C\u002Ful>\u003Cp> \u003C\u002Fp>\u003Cp>Limitations\u003C\u002Fp>\u003Cul>\u003Cli>No type checking; malformed JSON can cause runtime errors\u003C\u002Fli>\u003Cli>Must handle errors using try\u002Fcatch\u003C\u002Fli>\u003C\u002Ful>\u003Cp> \u003C\u002Fp>\u003Ch2>JSON Handling in Go\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cp>Go provides the \u003Ccode inline=\"\">encoding\u002Fjson\u003C\u002Fcode> package for JSON operations.\u003C\u002Fp>\u003Cp> \u003C\u002Fp>\u003Ch3>Parsing JSON (String → Struct)\u003C\u002Fh3>\u003Cpre>\u003Ccode class=\"language-plaintext language-go\">package main\n\nimport (\n    \"encoding\u002Fjson\"\n    \"fmt\"\n    \"log\"\n)\n\ntype User struct {\n    Name string `json:\"name\"`\n    Age  int    `json:\"age\"`\n}\n\nfunc main() {\n    jsonString := `{\"name\": \"Boom\", \"age\": 28}`\n    var user User\n    err := json.Unmarshal([]byte(jsonString), &user)\n    if err != nil {\n        log.Fatal(err)\n    }\n    fmt.Println(user.Name) \u002F\u002F Boom\n    fmt.Println(user.Age)  \u002F\u002F 28\n}\n\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Ch3>Serializing Struct → JSON String\u003C\u002Fh3>\u003Cpre>\u003Ccode class=\"language-plaintext language-go\">user := User{Name: \"Boom\", Age: 28}\njsonData, err := json.Marshal(user)\nif err != nil {\n    log.Fatal(err)\n}\nfmt.Println(string(jsonData)) \u002F\u002F {\"name\":\"Boom\",\"age\":28}\n\u003C\u002Fcode>\u003C\u002Fpre>\u003Cp> \u003C\u002Fp>\u003Cp>Advantages of Go JSON\u003C\u002Fp>\u003Cul>\u003Cli>Type-safe: field and type are checked at compile time\u003C\u002Fli>\u003Cli>Supports struct tags for JSON key mapping\u003C\u002Fli>\u003Cli>Clear error handling\u003C\u002Fli>\u003C\u002Ful>\u003Cp> \u003C\u002Fp>\u003Cp>Limitations\u003C\u002Fp>\u003Cul>\u003Cli>Verbose syntax for simple tasks\u003C\u002Fli>\u003Cli>Struct must match JSON structure\u003C\u002Fli>\u003C\u002Ful>\u003Cp> \u003C\u002Fp>\u003Ch2>Best Practices\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cul>\u003Cli>Always check for errors\u003Cul>\u003Cli>JavaScript: use try\u002Fcatch\u003C\u002Fli>\u003Cli>Go: check \u003Ccode inline=\"\">err\u003C\u002Fcode> after \u003Ccode inline=\"\">marshal\u003C\u002Fcode>\u002F\u003Ccode inline=\"\">unmarshal\u003C\u002Fcode>\u003C\u002Fli>\u003C\u002Ful>\u003C\u002Fli>\u003Cli>Choose appropriate data structures\u003Cul>\u003Cli>Go: use struct for predictable JSON structure\u003C\u002Fli>\u003Cli>JavaScript: use object or TypeScript type annotations\u003C\u002Fli>\u003C\u002Ful>\u003C\u002Fli>\u003Cli>Handle optional fields carefully\u003Cul>\u003Cli>Go: use pointers or \u003Ccode inline=\"\">omitempty\u003C\u002Fcode> tags\u003C\u002Fli>\u003Cli>JavaScript: check for \u003Ccode inline=\"\">undefined\u003C\u002Fcode> before using\u003C\u002Fli>\u003C\u002Ful>\u003C\u002Fli>\u003Cli>Serialize safely\u003Cul>\u003Cli>JavaScript: avoid \u003Ccode inline=\"\">JSON.stringify\u003C\u002Fcode> with circular references\u003C\u002Fli>\u003Cli>Go: use \u003Ccode inline=\"\">json.Decoder\u003C\u002Fcode> for streaming large JSON\u003C\u002Fli>\u003C\u002Ful>\u003C\u002Fli>\u003C\u002Ful>\u003Cp> \u003C\u002Fp>\u003Chr>\u003Cp> \u003C\u002Fp>\u003Ch2>JSON Comparison: JavaScript vs Go\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>Parsing\u003C\u002Ftd>\u003Ctd>\u003Ccode inline=\"\">JSON.parse\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd>\u003Ccode inline=\"\">json.Unmarshal\u003C\u002Fcode>\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Serialization\u003C\u002Ftd>\u003Ctd>\u003Ccode inline=\"\">JSON.stringify\u003C\u002Fcode>\u003C\u002Ftd>\u003Ctd>\u003Ccode inline=\"\">json.Marshal\u003C\u002Fcode>\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Type checking\u003C\u002Ftd>\u003Ctd>Dynamic\u003C\u002Ftd>\u003Ctd>Static (struct)\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Error handling\u003C\u002Ftd>\u003Ctd>try\u002Fcatch\u003C\u002Ftd>\u003Ctd>return error\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Ctd>Optional fields\u003C\u002Ftd>\u003Ctd>undefined\u002Fdelete\u003C\u002Ftd>\u003Ctd>pointer + \u003Ccode inline=\"\">omitempty\u003C\u002Fcode>\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftbody>\u003C\u002Ftable>\u003C\u002Ffigure>\u003Cp> \u003C\u002Fp>\u003Cp>Recommendation:\u003C\u002Fp>\u003Cul>\u003Cli>For rapid prototyping or front-end work → JavaScript is convenient\u003C\u002Fli>\u003Cli>For backend services, APIs, and data validation → Go is reliable and type-safe\u003C\u002Fli>\u003C\u002Ful>\u003Cp> \u003C\u002Fp>\u003Ch2>Next Episode\u003C\u002Fh2>\u003Cp> \u003C\u002Fp>\u003Cp>In JS2GO EP.23, we’ll explore working with Date and Time in JavaScript and Go, including code examples and best practices for managing time correctly and accurately.\u003C\u002Fp>\u003Cp> \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 Academy\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003Cp>\u003Cstrong>🔴 YouTube: \u003C\u002Fstrong>\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.youtube.com\u002Fchannel\u002FUC2eI2RxcA2zbTqZyHyWIfRg\">\u003Cstrong>Superdev Academy\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003Cp>\u003Cstrong>📸 Instagram: \u003C\u002Fstrong>\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.instagram.com\u002Fsuperdevschool\u002F\">\u003Cstrong>Superdev Academy\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003Cp>\u003Cstrong>🎬 TikTok: \u003C\u002Fstrong>\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.tiktok.com\u002F@superdevacademy?lang=th-TH\">\u003Cstrong>https:\u002F\u002Fwww.tiktok.com\u002F@superdevacademy?lang=th-TH\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\u003Cp>\u003Cstrong>🌐 Website: \u003C\u002Fstrong>\u003Ca target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\u002F\u002Fwww.superdevacademy.com\u002Fen\">\u003Cstrong>https:\u002F\u002Fwww.superdevacademy.com\u002Fen\u003C\u002Fstrong>\u003C\u002Fa>\u003Cstrong> \u003C\u002Fstrong>\u003C\u002Fp>","44_11zon_dqpwaohs5y.webp","https:\u002F\u002Ftwsme-r2.tumwebsme.com\u002Fsclblg987654321\u002Feksyykgi4lo7p59\u002F44_11zon_dqpwaohs5y.webp","2026-03-04 08:46:24.445Z","",{"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 08:46:23.880Z","ab6777vjd0f58oy","JSON handling","2026-04-10 16:13:13.549Z",{"collectionId":17,"collectionName":18,"created":24,"created_by":13,"id":25,"name":26,"updated":27,"updated_by":13},"2026-03-04 08:20:42.484Z","vslzz9nvv6n77cx","JavaScript","2026-04-10 16:07:28.339Z",{"collectionId":17,"collectionName":18,"created":29,"created_by":13,"id":30,"name":31,"updated":32,"updated_by":13},"2026-03-04 08:20:11.547Z","ey3puyme01a9bsw","Go","2026-04-10 16:07:25.893Z",{"collectionId":17,"collectionName":18,"created":34,"created_by":13,"id":35,"name":36,"updated":37,"updated_by":13},"2026-03-04 08:46:24.109Z","o8xfgwdh6k03hxd","JSON","2026-04-10 16:13:13.679Z",{"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,"created":13,"expand":57,"id":70,"slug":71,"updated":72,"views":73},"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","72y1x3l3uup0xlx","js2go-ep22-json-javascript-vs-go-en","2026-05-11 21:15:17.114Z",209,"eksyykgi4lo7p59",[20,25,30,35,40],"2025-09-23 01:41:16.496Z","Learn how to parse, serialize, and handle JSON in JavaScript and Go with clear code examples and best practices to manage JSON data professionally.","2026-04-25 02:48:03.483Z",1,{"th":71,"en":71}]