Keywords 'of' and 'yield' for Javascript. (#7873)
* Keyword 'of' in for...of statement.
* Keyword 'yield' for generator function.
diff --git a/runtime/syntax/javascript.vim b/runtime/syntax/javascript.vim
index e513137..cb2d16e 100644
--- a/runtime/syntax/javascript.vim
+++ b/runtime/syntax/javascript.vim
@@ -52,11 +52,11 @@
syn region javaScriptRegexpString start=+[,(=+]\s*/[^/*]+ms=e-1,me=e-1 skip=+\\\\\|\\/+ end=+/[gimuys]\{0,2\}\s*$+ end=+/[gimuys]\{0,2\}\s*[+;.,)\]}]+me=e-1 end=+/[gimuys]\{0,2\}\s\+\/+me=e-1 contains=@htmlPreproc,javaScriptComment oneline
syn keyword javaScriptConditional if else switch
-syn keyword javaScriptRepeat while for do in
+syn keyword javaScriptRepeat while for do in of
syn keyword javaScriptBranch break continue
syn keyword javaScriptOperator new delete instanceof typeof
syn keyword javaScriptType Array Boolean Date Function Number Object String RegExp
-syn keyword javaScriptStatement return with await
+syn keyword javaScriptStatement return with await yield
syn keyword javaScriptBoolean true false
syn keyword javaScriptNull null undefined
syn keyword javaScriptIdentifier arguments this var let