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Javascript Script Engine

Number of Installations Number of Installations NPM version

Test and Release Translation status Downloads This adapter uses Sentry libraries to automatically report exceptions and code errors to the developers. For more details and for information how to disable the error reporting see Sentry-Plugin Documentation! Sentry reporting is used starting with js-controller 3.0.

Executes Javascript, Typescript Scripts.


Forbidden directories for Script Filesystem Mirroring

The Script Filesystem Mirroring will store all Source Files of the Scripts in your Filesystem to allow you to edit the Files in your favourite Script editor beside the Web-Editor. All changes are synced in both directions.

When enabling the Script Filesystem mirroring, please make sure to create a dedicated new directory and do not use an existing directory with other content. Please also make sure that no other script or process changes files in the provided directory to prevent access issues. Any location needs to be writable by the "iobroker" user!

Since v5.5.0 of the JavaScript adapter the following locations (relative to the ioBroker Base directory, usually /opt/iobroker) are not allowed to be used:

  • The ioBroker base directory itself and any path above!
  • ./iobroker-data itself, custom subdirectory (choose a name that do not overlap with any adapter!)
  • ./iobroker-data/backup-objects or the anything below
  • ./iobroker-data/files or the anything below
  • ./iobroker-data/backitup or the anything below
  • ./backups or the anything below
  • ./node_modules or the anything below
  • ./log or the anything below


  • Goto current line in debugger
  • ...



  • (klein0r) Always set variables like isDaylightSaving
  • (klein0r) Added astro times as states

7.2.0 (2023-12-04)

NodeJS 16.x is required

  • (klein0r) Added function to format time difference formatTimeDiff
  • (klein0r) Added blockly blocks for formatTimeDiff
  • (klein0r) messageToAsync was not working without options
  • (klein0r) Added timeout and custom options for sendToAsync
  • (klein0r) Fixed valid switch statement expressions
  • (klein0r) Added text replacement, cound and reverse blocks
  • (klein0r) Added list reverse block

7.1.6 (2023-10-24)

  • (bluefox) Fixed pushover rules block

7.1.5 (2023-10-09)

  • (bluefox) Added play-ground for ChatGPT (API key required)

7.1.4 (2023-08-09)

  • (bluefox) Added version to the side menu
  • (klein0r) Added blockly blocks for getHistory and calculated times

7.1.1 (2023-06-20)

  • (bluefox) corrected the script export


The MIT License (MIT)

Copyright (c) 2014-2023 bluefox,

Copyright (c) 2014 hobbyquaker