javascript:var d=document,s=d.createElement('script');s.src='https://www.zotero.org/bookmarklet/loader.js';(d.body?d.body:d.documentElement).appendChild(s);void(0);

[JavaScript Error: "obj.toJSON is not a function" {file: "chrome://zotero/content/xpcom/sync/syncEngine.js" line: 1543}]

[[JavaScript Error: "No tab with id: 749."]

It's a bit of a special case; anything that could be a valid javascript variable name doesn't need quotes, but the only non-alphanum characters that qualify are _ and $

You need to say what the actual problem is that you're experiencing. [JavaScript Error: "Invalid or missing translator metadata JSON object in IMDb.js" {file: "chrome://zotero/content/xpcom/translatio

[JavaScript Error: "Parent item 1/4Q5DY97J not found" {file: "chrome://zotero/content/xpcom/data/item.js" line: 1537}]

There's some stuff on the JavaScript API page, but the source code — or the source code of other plugins, though we obviously can't vouch for that — is indeed your best bet at the moment. We're going

[JavaScript Error: "API key not set"]

[JavaScript Error: "www.worldcat.org:443 uses an invalid security certificate.

[JavaScript Error: "Unix error 13 during operation remove on file /Users/[…]/Zotero/translators/Airiti.js (Permission denied)" {file: "(unknown module)" line: 0}]

[JavaScript Error: "No tab with id: 64."]

If you go to Tools → Developer → Run JavaScript and run the following code, what's the result?

[JavaScript Error: "TypeError: Cannot read properties of undefined (reading '6')

[JavaScript Error: "The RPC server is unavailable.

[JavaScript Error: "Could not establish connection. Receiving end does not exist."]

[JavaScript Error: "HTTP Integration Error" {file: "chrome://zotero/content/xpcom/connector/server_connectorIntegration.js" line: 67}]

[JavaScript Error: "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIFile.copyToFollowingLinks]" {file: "chrome://zotero/content/xpcom/file.js" line: 1002}]

[JavaScript Error: "[Exception... "Component not initialized" nsresult: "0xc1f30001 (NS_ERROR_NOT_INITIALIZED)" location: "JS frame :: chrome://zotero-better-bibtex/content/better-bibtex.js :: sched

[JavaScript Error: "Component returned failure code: 0x804b000a (NS_ERROR_MALFORMED_URI) [nsIIOService.newURI]" {file: "chrome://zotero/content/xpcom/storage/webdav.js" line: 205}]

[JavaScript Error: "Item 17694 not loaded" {file: "chrome://zotero/content/xpcom/data/items.js" line: 770}]