* lisp/progmodes/js.el (js--keyword-re): Add the "of" of "for
... of" in ECMAScript 2018 (bug#46924).
"continue" "debugger" "default" "delete" "do" "else"
"enum" "export" "extends" "final" "finally" "for"
"function" "goto" "if" "implements" "import" "in"
- "instanceof" "interface" "native" "new" "package"
+ "instanceof" "interface" "native" "new" "of" "package"
"private" "protected" "public" "return" "static"
"super" "switch" "synchronized" "throw"
"throws" "transient" "try" "typeof" "var" "void" "let"