" 2013 Jun 12: adjusted javaScriptRegexpString (Kevin Locke)
" 2018 Apr 14: adjusted javaScriptRegexpString (LongJohnCoder)
" 2024 Aug 14: fix a few stylistic issues (#15480)
+" 2025 Aug 07: as is a reserved keyword (#17912)
" tuning parameters:
" unlet javaScript_fold
syn keyword javaScriptException try catch finally throw
syn keyword javaScriptMessage alert confirm prompt status
syn keyword javaScriptGlobal self window top parent
-syn keyword javaScriptMember document event location
+syn keyword javaScriptMember document event location
syn keyword javaScriptDeprecated escape unescape
-syn keyword javaScriptReserved abstract boolean byte char class const debugger double enum export extends final float from goto implements import int interface let long native package private protected public short super synchronized throws transient var volatile async
+syn keyword javaScriptReserved abstract as boolean byte char class const debugger double enum export extends final float from goto implements import int interface let long native package private protected public short super synchronized throws transient var volatile async
syn keyword javaScriptModifier static
syn cluster javaScriptEmbededExpr contains=javaScriptBoolean,javaScriptNull,javaScriptIdentifier,javaScriptStringD,javaScriptStringS,javaScriptStringT
hi def link javaScriptMessage Keyword
hi def link javaScriptGlobal Keyword
hi def link javaScriptMember Keyword
-hi def link javaScriptDeprecated Exception
+hi def link javaScriptDeprecated Exception
hi def link javaScriptReserved Keyword
hi def link javaScriptModifier StorageClass
hi def link javaScriptDebug Debug