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Chat / JavaScript

Current version: v4

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Overview
- Getting started
- Send first message
- Migration guide
- User
- Overview
- - Retrieving and updating user information
  - Retrieve the online status of a user
  - Update user profile
  - Retrieve the latest information on participants
- - Managing user metadata
  - Manage user metadata
- Channel
- Overview
- - Creating a channel
  - Create a channel
- - Managing operators
  - Register and remove operators
- - Joining and leaving a channel
  - Enter and exit an open channel
  - Join and leave a group channel
- - Retrieving channels
  - Retrieve a list of channels
  - Retrieve a channel by URL
- - Inviting users to a group channel
  - Invite users as members
  - Accept or decline an invitation
- - Categorizing channels
  - Categorize channels by custom type
- - Moderating a channel
  - Freeze and unfreeze a channel
- - Managing channel metadata
  - Manage channel metadata
- - Managing channel metacounters
  - Manage channel metacounters
- Message
- Overview
- - Receiving messages through event handler
  - Receive messages in an open channel
  - Receive messages in a group channel
- - Using message threading
  - Create a message thread
  - List replies in a message thread
- - Retrieving a message
  - Retrieve a message
- - Searching messages in a group channel
  - Search messages by a keyword
- - Loading messages
  - Load previous messages
  - Load messages by timestamp or message ID
- - Listing changelogs
  - List changelogs of messages
- - Marking messages as read in a group channel
  - Mark messages as read
- - Marking messages as delivered in a group channel
  - Mark messages as delivered
- - Mentioning other users in a message
  - Mention other users in a message
- - Retrieving unread counts in a group channel
  - Unread messages in a channel
  - Unread messages in all channels
  - Unread channels
  - Members who haven't received a message
  - Members who haven't read a message
  - Unread items
- - Categorizing messages
  - Categorize messages by custom type
- - Adding extra data to a message
  - Add extra data to a message
- - Translating messages
  - Auto-translate messages
  - Translate messages on-demand
  - Translation engine
- Application
- Overview
- - Authenticating a user
  - Authentication
- - Understanding rate limits
  - Rate limits
- Event handler
- Overview
- - Managing channel event handlers
  - Add or remove a channel event handler
- - Managing connection event handlers
  - Add or remove a connection event handler
- - Managing user event handlers
  - Add or remove a user event handler
- Notifications
- Overview
- - Configuring preferences
  - Set up push notifications
  - Notification preferences
  - Push notification content templates
  - Push notification translation
- Report
- Overview
- - Creating a report
  - Report a message, user, or channel
- Local caching
- Overview
- - Using group channel collection
  - Group channel collection
- - Using message collection
  - Message collection
Deprecated
Error codes
Logger

Chat JavaScript v4

Chat JavaScript

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JavaScript

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This is the new Docs for Chat SDK v4 for JavaScript. To see the previous Docs, click here.

Translation engine

Sendbird’s message auto-translation and on-demand features are powered by Google Cloud Translation API's recognition engine. The recognition engine supports a wide variety of languages for the Neural Machine Translation (NMT) model.

Note: Message translation through the Microsoft Translator engine is no longer supported. All Sendbird applications that used the engine have been migrated and are now using Google Cloud Translation.

Languages supported for translation

The following table shows the languages and the corresponding ISO-639-1 codes. You can translate between any of the languages listed below.

List of languages

Language	Code	Language	Code
Afrikaans	`af`	Latvian	`lv`
Albanian	`sq`	Lithuanian	`lt`
Amharic	`am`	Luxembourgish	`lb`
Arabic	`ar`	Macedonian	`mk`
Armenian	`hy`	Malagasy	`mg`
Azerbaijani	`az`	Malay	`ms`
Basque	`eu`	Malayalam	`ml`
Belarusian	`be`	Maltese	`mt`
Bengali	`bn`	Maori	`mi`
Bosnian	`bs`	Marathi	`mr`
Bulgarian	`bg`	Mongolian	`mn`
Catalan	`ca`	Myanmar (Burmese)	`my`
Cebuano	`ceb` (ISO-639-2)	Nepali	`ne`
Chinese (Simplified)	`zh-CN` or `zh` (BCP-47)	Norwegian	`no`
Chinese (Traditional)	`zh-TW` (BCP-47)	Nyanja (Chichewa)	`ny`
Corsican	`co`	Pashto	`ps`
Croatian	`hr`	Persian	`fa`
Czech	`cs`	Polish	`pl`
Danish	`da`	Portuguese (Portugal, Brazil)	`pt`
Dutch	`nl`	Punjabi	`pa`
English	`en`	Romanian	`ro`
Esperanto	`eo`	Russian	`ru`
Estonian	`et`	Samoan	`sm`
Finnish	`fi`	Scots Gaelic	`gd`
French	`fr`	Serbian	`sr`
Frisian	`fy`	Sesotho	`st`
Galician	`gl`	Shona	`sn`
Georgian	`ka`	Sindhi	`sd`
German	`de`	Sinhala (Sinhalese)	`si`
Greek	`el`	Slovak	`sk`
Gujarati	`gu`	Slovenian	`sl`
Haitian Creole	`ht`	Somali	`so`
Hausa	`ha`	Spanish	`es`
Hawaiian	`haw` (ISO-639-2)	Sundanese	`su`
Hebrew	`he` or `iw`	Swahili	`sw`
Hindi	`hi`	Swedish	`sv`
Hmong	`hmn` (ISO-639-2)	Tagalog (Filipino)	`tl`
Hungarian	`hu`	Tajik	`tg`
Icelandic	`is`	Tamil	`ta`
Igbo	`ig`	Tatar	`tt`
Indonesian	`id`	Telugu	`te`
Irish	`ga`	Thai	`th`
Italian	`it`	Turkish	`tr`
Japanese	`ja`	Turkmen	`tk`
Javanese	`jv`	Ukrainian	`uk`
Kannada	`kn`	Urdu	`ur`
Kazakh	`kk`	Uyghur	`ug`
Khmer	`km`	Uzbek	`uz`
Kinyarwanda	`rw`	Vietnamese	`vi`
Korean	`ko`	Welsh	`cy`
Kurdish	`ku`	Xhosa	`xh`
Kyrgyz	`ky`	Yiddish	`yi`
Lao	`lo`	Yoruba	`yo`
Latin	`la`	Zulu	`zu`

Sample app