System tiddlers in the namespace $:/info/ are used to expose information about the system (including the current browser) so that WikiText applications can adapt themselves to available features.
Information Tiddlers
| Title | Description |
|---|---|
| $:/info/startup-timestamp | New in: 5.1.23 Startup timestamp in TiddlyWiki date format |
| $:/info/browser | Running in the browser? ("yes" or "no") |
| $:/info/mobile | New in: 5.2.3 Is running on a mobile device? ("yes" or "no" - eg, ) |
| $:/info/browser/language | New in: 5.1.20 Language as reported by browser (note that some browsers report two character codes such as en while others report full codes such as en-GB) |
| $:/info/browser/screen/width | Screen width in pixels |
| $:/info/browser/screen/height | Screen height in pixels |
| $:/info/node | Running under Node.js? ("yes" or "no") |
| $:/info/url/full | New in: 5.1.14 Full URL of wiki (eg, ) |
| $:/info/url/host | New in: 5.1.14 Host portion of URL of wiki (eg, ) |
| $:/info/url/hostname | New in: 5.1.14 Hostname portion of URL of wiki (eg, ) |
| $:/info/url/origin | New in: 5.1.14 Origin portion of URL of wiki (eg, ) |
| $:/info/url/pathname | New in: 5.1.14 Pathname portion of URL of wiki (eg, ) |
| $:/info/url/port | New in: 5.1.14 Port portion of URL of wiki (eg, ) |
| $:/info/url/protocol | New in: 5.1.14 Protocol portion of URL of wiki (eg, ) |
| $:/info/url/search | New in: 5.1.14 Search portion of URL of wiki (eg, ) |
| $:/info/darkmode | New in: 5.1.23 Is dark mode enabled? ("yes" or "no") |