#localization 4 articles

• A decimal comma erases a Number column — Number('7,25') is NaN, JSON sends null, SharePoint answers 204gotchas / rest-apiNumber('7,25') is NaN, JSON.stringify sends null, SharePoint answers 204 and empties the column (measured: 7.25 → null on edit); parse text input comma-aware and reject NaN
• pageContext.cultureInfo returns the web language sometimes and the user language other timesgotchas / spfxThe same page loads English once and Czech the next time; cache the resolved language per web instead
• PowerShell 7 treats typographic quotes as string delimitersgotchas / powershell„/" parse like "; localized text in single-quoted here-strings
• Typographic quotes in JSX attributes break the parser (TS1003)gotchas / spfxTypographic quotes in attributes = TS1003; wrap as {'…'}