| Skip to content | https://nodejs.org/api/querystring.html#apicontent |
|
Node.js
| https://nodejs.org/ |
| About this documentation | https://nodejs.org/api/documentation.html |
| Usage and example | https://nodejs.org/api/synopsis.html |
| Assertion testing | https://nodejs.org/api/assert.html |
| Asynchronous context tracking | https://nodejs.org/api/async_context.html |
| Async hooks | https://nodejs.org/api/async_hooks.html |
| Buffer | https://nodejs.org/api/buffer.html |
| C++ addons | https://nodejs.org/api/addons.html |
| C/C++ addons with Node-API | https://nodejs.org/api/n-api.html |
| C++ embedder API | https://nodejs.org/api/embedding.html |
| Child processes | https://nodejs.org/api/child_process.html |
| Cluster | https://nodejs.org/api/cluster.html |
| Command-line options | https://nodejs.org/api/cli.html |
| Console | https://nodejs.org/api/console.html |
| Crypto | https://nodejs.org/api/crypto.html |
| Debugger | https://nodejs.org/api/debugger.html |
| Deprecated APIs | https://nodejs.org/api/deprecations.html |
| Diagnostics Channel | https://nodejs.org/api/diagnostics_channel.html |
| DNS | https://nodejs.org/api/dns.html |
| Domain | https://nodejs.org/api/domain.html |
| Environment Variables | https://nodejs.org/api/environment_variables.html |
| Errors | https://nodejs.org/api/errors.html |
| Events | https://nodejs.org/api/events.html |
| File system | https://nodejs.org/api/fs.html |
| Globals | https://nodejs.org/api/globals.html |
| HTTP | https://nodejs.org/api/http.html |
| HTTP/2 | https://nodejs.org/api/http2.html |
| HTTPS | https://nodejs.org/api/https.html |
| Inspector | https://nodejs.org/api/inspector.html |
| Internationalization | https://nodejs.org/api/intl.html |
| Modules: CommonJS modules | https://nodejs.org/api/modules.html |
| Modules: ECMAScript modules | https://nodejs.org/api/esm.html |
| Modules: node:module API | https://nodejs.org/api/module.html |
| Modules: Packages | https://nodejs.org/api/packages.html |
| Modules: TypeScript | https://nodejs.org/api/typescript.html |
| Net | https://nodejs.org/api/net.html |
| OS | https://nodejs.org/api/os.html |
| Path | https://nodejs.org/api/path.html |
| Performance hooks | https://nodejs.org/api/perf_hooks.html |
| Permissions | https://nodejs.org/api/permissions.html |
| Process | https://nodejs.org/api/process.html |
| Punycode | https://nodejs.org/api/punycode.html |
| Query strings | https://nodejs.org/api/querystring.html |
| Readline | https://nodejs.org/api/readline.html |
| REPL | https://nodejs.org/api/repl.html |
| Report | https://nodejs.org/api/report.html |
| Single executable applications | https://nodejs.org/api/single-executable-applications.html |
| SQLite | https://nodejs.org/api/sqlite.html |
| Stream | https://nodejs.org/api/stream.html |
| String decoder | https://nodejs.org/api/string_decoder.html |
| Test runner | https://nodejs.org/api/test.html |
| Timers | https://nodejs.org/api/timers.html |
| TLS/SSL | https://nodejs.org/api/tls.html |
| Trace events | https://nodejs.org/api/tracing.html |
| TTY | https://nodejs.org/api/tty.html |
| UDP/datagram | https://nodejs.org/api/dgram.html |
| URL | https://nodejs.org/api/url.html |
| Utilities | https://nodejs.org/api/util.html |
| V8 | https://nodejs.org/api/v8.html |
| VM | https://nodejs.org/api/vm.html |
| WASI | https://nodejs.org/api/wasi.html |
| Web Crypto API | https://nodejs.org/api/webcrypto.html |
| Web Streams API | https://nodejs.org/api/webstreams.html |
| Worker threads | https://nodejs.org/api/worker_threads.html |
| Zlib | https://nodejs.org/api/zlib.html |
| Code repository and issue tracker | https://github.com/nodejs/node |
|
Table of contents
| https://nodejs.org/api/querystring.html#toc-picker |
| Query string | https://nodejs.org/api/querystring.html#query-string |
| querystring.decode() | https://nodejs.org/api/querystring.html#querystringdecode |
| querystring.encode() | https://nodejs.org/api/querystring.html#querystringencode |
| querystring.escape(str) | https://nodejs.org/api/querystring.html#querystringescapestr |
| querystring.parse(str[, sep[, eq[, options]]]) | https://nodejs.org/api/querystring.html#querystringparsestr-sep-eq-options |
| querystring.stringify(obj[, sep[, eq[, options]]]) | https://nodejs.org/api/querystring.html#querystringstringifyobj-sep-eq-options |
| querystring.unescape(str) | https://nodejs.org/api/querystring.html#querystringunescapestr |
|
Index
| https://nodejs.org/api/querystring.html#gtoc-picker |
| About this documentation | https://nodejs.org/api/documentation.html |
| Usage and example | https://nodejs.org/api/synopsis.html |
| Index | https://nodejs.org/api/index.html |
| Assertion testing | https://nodejs.org/api/assert.html |
| Asynchronous context tracking | https://nodejs.org/api/async_context.html |
| Async hooks | https://nodejs.org/api/async_hooks.html |
| Buffer | https://nodejs.org/api/buffer.html |
| C++ addons | https://nodejs.org/api/addons.html |
| C/C++ addons with Node-API | https://nodejs.org/api/n-api.html |
| C++ embedder API | https://nodejs.org/api/embedding.html |
| Child processes | https://nodejs.org/api/child_process.html |
| Cluster | https://nodejs.org/api/cluster.html |
| Command-line options | https://nodejs.org/api/cli.html |
| Console | https://nodejs.org/api/console.html |
| Crypto | https://nodejs.org/api/crypto.html |
| Debugger | https://nodejs.org/api/debugger.html |
| Deprecated APIs | https://nodejs.org/api/deprecations.html |
| Diagnostics Channel | https://nodejs.org/api/diagnostics_channel.html |
| DNS | https://nodejs.org/api/dns.html |
| Domain | https://nodejs.org/api/domain.html |
| Environment Variables | https://nodejs.org/api/environment_variables.html |
| Errors | https://nodejs.org/api/errors.html |
| Events | https://nodejs.org/api/events.html |
| File system | https://nodejs.org/api/fs.html |
| Globals | https://nodejs.org/api/globals.html |
| HTTP | https://nodejs.org/api/http.html |
| HTTP/2 | https://nodejs.org/api/http2.html |
| HTTPS | https://nodejs.org/api/https.html |
| Inspector | https://nodejs.org/api/inspector.html |
| Internationalization | https://nodejs.org/api/intl.html |
| Modules: CommonJS modules | https://nodejs.org/api/modules.html |
| Modules: ECMAScript modules | https://nodejs.org/api/esm.html |
| Modules: node:module API | https://nodejs.org/api/module.html |
| Modules: Packages | https://nodejs.org/api/packages.html |
| Modules: TypeScript | https://nodejs.org/api/typescript.html |
| Net | https://nodejs.org/api/net.html |
| OS | https://nodejs.org/api/os.html |
| Path | https://nodejs.org/api/path.html |
| Performance hooks | https://nodejs.org/api/perf_hooks.html |
| Permissions | https://nodejs.org/api/permissions.html |
| Process | https://nodejs.org/api/process.html |
| Punycode | https://nodejs.org/api/punycode.html |
| Query strings | https://nodejs.org/api/querystring.html |
| Readline | https://nodejs.org/api/readline.html |
| REPL | https://nodejs.org/api/repl.html |
| Report | https://nodejs.org/api/report.html |
| Single executable applications | https://nodejs.org/api/single-executable-applications.html |
| SQLite | https://nodejs.org/api/sqlite.html |
| Stream | https://nodejs.org/api/stream.html |
| String decoder | https://nodejs.org/api/string_decoder.html |
| Test runner | https://nodejs.org/api/test.html |
| Timers | https://nodejs.org/api/timers.html |
| TLS/SSL | https://nodejs.org/api/tls.html |
| Trace events | https://nodejs.org/api/tracing.html |
| TTY | https://nodejs.org/api/tty.html |
| UDP/datagram | https://nodejs.org/api/dgram.html |
| URL | https://nodejs.org/api/url.html |
| Utilities | https://nodejs.org/api/util.html |
| V8 | https://nodejs.org/api/v8.html |
| VM | https://nodejs.org/api/vm.html |
| WASI | https://nodejs.org/api/wasi.html |
| Web Crypto API | https://nodejs.org/api/webcrypto.html |
| Web Streams API | https://nodejs.org/api/webstreams.html |
| Worker threads | https://nodejs.org/api/worker_threads.html |
| Zlib | https://nodejs.org/api/zlib.html |
| Code repository and issue tracker | https://github.com/nodejs/node |
|
Other versions
| https://nodejs.org/api/querystring.html#alt-docs |
| 25.x | https://nodejs.org/docs/latest-v25.x/api/querystring.html |
| 24.x LTS | https://nodejs.org/docs/latest-v24.x/api/querystring.html |
| 23.x | https://nodejs.org/docs/latest-v23.x/api/querystring.html |
| 22.x LTS | https://nodejs.org/docs/latest-v22.x/api/querystring.html |
| 21.x | https://nodejs.org/docs/latest-v21.x/api/querystring.html |
| 20.x LTS | https://nodejs.org/docs/latest-v20.x/api/querystring.html |
| 19.x | https://nodejs.org/docs/latest-v19.x/api/querystring.html |
| 18.x | https://nodejs.org/docs/latest-v18.x/api/querystring.html |
| 17.x | https://nodejs.org/docs/latest-v17.x/api/querystring.html |
| 16.x | https://nodejs.org/docs/latest-v16.x/api/querystring.html |
| 15.x | https://nodejs.org/docs/latest-v15.x/api/querystring.html |
| 14.x | https://nodejs.org/docs/latest-v14.x/api/querystring.html |
| 13.x | https://nodejs.org/docs/latest-v13.x/api/querystring.html |
| 12.x | https://nodejs.org/docs/latest-v12.x/api/querystring.html |
| 11.x | https://nodejs.org/docs/latest-v11.x/api/querystring.html |
| 10.x | https://nodejs.org/docs/latest-v10.x/api/querystring.html |
| 9.x | https://nodejs.org/docs/latest-v9.x/api/querystring.html |
| 8.x | https://nodejs.org/docs/latest-v8.x/api/querystring.html |
| 7.x | https://nodejs.org/docs/latest-v7.x/api/querystring.html |
| 6.x | https://nodejs.org/docs/latest-v6.x/api/querystring.html |
| 5.x | https://nodejs.org/docs/latest-v5.x/api/querystring.html |
| 4.x | https://nodejs.org/docs/latest-v4.x/api/querystring.html |
| 0.12.x | https://nodejs.org/docs/latest-v0.12.x/api/querystring.html |
| 0.10.x | https://nodejs.org/docs/latest-v0.10.x/api/querystring.html |
|
Options
| https://nodejs.org/api/querystring.html#options-picker |
| View on single page | https://nodejs.org/api/all.html |
| View as JSON | https://nodejs.org/api/querystring.json |
| Edit on GitHub | https://github.com/nodejs/node/edit/main/doc/api/querystring.md |
| Query string | https://nodejs.org/api/querystring.html#query-string |
| querystring.decode() | https://nodejs.org/api/querystring.html#querystringdecode |
| querystring.encode() | https://nodejs.org/api/querystring.html#querystringencode |
| querystring.escape(str) | https://nodejs.org/api/querystring.html#querystringescapestr |
| querystring.parse(str[, sep[, eq[, options]]]) | https://nodejs.org/api/querystring.html#querystringparsestr-sep-eq-options |
| querystring.stringify(obj[, sep[, eq[, options]]]) | https://nodejs.org/api/querystring.html#querystringstringifyobj-sep-eq-options |
| querystring.unescape(str) | https://nodejs.org/api/querystring.html#querystringunescapestr |
| # | https://nodejs.org/api/querystring.html#query-string |
| Stability: 2 | https://nodejs.org/api/documentation.html#stability-index |
| lib/querystring.js | https://github.com/nodejs/node/blob/v25.2.1/lib/querystring.js |
| https://nodejs.org/api/url.html#class-urlsearchparams |
| https://nodejs.org/api/url.html#class-urlsearchparams |
| # | https://nodejs.org/api/querystring.html#querystringdecode |
| # | https://nodejs.org/api/querystring.html#querystringencode |
| # | https://nodejs.org/api/querystring.html#querystringescapestr |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type |
| # | https://nodejs.org/api/querystring.html#querystringparsestr-sep-eq-options |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type |
| # | https://nodejs.org/api/querystring.html#querystringstringifyobj-sep-eq-options |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#bigint_type |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#number_type |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#bigint_type |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#boolean_type |
| # | https://nodejs.org/api/querystring.html#querystringunescapestr |
| https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#string_type |