diff --git a/extras/flow.vim b/extras/flow.vim
index 7d981a80..6ae9b901 100644
--- a/extras/flow.vim
+++ b/extras/flow.vim
@@ -12,6 +12,7 @@ syntax match   jsFlowNoise          contained /[:;,<>]/
 syntax cluster jsFlowCluster        contains=jsFlowType,jsFlowArray,jsFlowObject,jsFlowNoise
 syntax keyword jsFlowStorageClass   contained const var let
 syntax region  jsFlowParenRegion    contained start=/:\s*(/ end=/)\%(\s*:\)\@=/ oneline contains=@jsFlowCluster skipwhite skipempty nextgroup=jsObjectValue
+syntax region  jsFlowClass          contained matchgroup=jsFlowNoise start=/</ end=/>/ oneline contains=@jsFlowCluster skipwhite skipempty nextgroup=jsClassBlock
 
 if version >= 508 || !exists("did_javascript_syn_inits")
   if version < 508
@@ -26,6 +27,8 @@ if version >= 508 || !exists("did_javascript_syn_inits")
   HiLink jsFlowDeclareBlock       PreProc
   HiLink jsFlowObject             PreProc
   HiLink jsFlowParenRegion        PreProc
+  HiLink jsFlowClass              PreProc
+  HiLink jsFlowClassProperty      jsClassProperty
   HiLink jsFlowType               Type
   HiLink jsFlowDeclareKeyword     Type
   HiLink jsFlowNoise              Noise
diff --git a/syntax/javascript.vim b/syntax/javascript.vim
index 54c72096..8486cce0 100644
--- a/syntax/javascript.vim
+++ b/syntax/javascript.vim
@@ -45,7 +45,7 @@ syntax match   jsModuleAsterisk  contained /*/
 syntax keyword jsModuleDefault   contained default skipwhite kipempty nextgroup=@jsExpression
 syntax region  jsImportContainer start=/\<import\> / end="\%(;\|$\)" contains=jsModuleKeywords,jsModuleOperators,jsComment,jsString,jsTemplateString,jsNoise,jsModuleGroup,jsModuleAsterisk
 syntax region  jsExportContainer start=/\<export\> / end="\%(;\|$\)" contains=jsModuleKeywords,jsModuleOperators,jsStorageClass,jsModuleDefault,@jsExpression
-syntax region jsExportBlock      contained matchgroup=jsBraces start=/{/ end=/}/ contains=jsModuleOperators,jsNoise
+syntax region  jsExportBlock     contained matchgroup=jsBraces start=/{/ end=/}/ contains=jsModuleOperators,jsNoise
 
 " Strings, Templates, Numbers
 syntax region  jsString           start=+"+  skip=+\\\("\|$\)+  end=+"\|$+  contains=jsSpecial,@Spell extend
@@ -165,7 +165,7 @@ exe 'syntax match jsArrowFunction /=>/      skipwhite skipempty nextgroup=jsFunc
 syntax keyword jsClassKeywords          contained extends class
 syntax match   jsClassNoise             contained /\./
 syntax match   jsClassMethodDefinitions contained /\%(get\|set\|static\)\%( \k\+\)\@=/ skipwhite skipempty nextgroup=jsFuncName,jsClassProperty
-syntax match   jsClassDefinition        /\<class\>\%( [a-zA-Z_$][0-9a-zA-Z_$ \n.]*\)*/ contains=jsClassKeywords,jsClassNoise skipwhite skipempty nextgroup=jsClassBlock
+syntax match   jsClassDefinition        /\<class\>\%( [a-zA-Z_$][0-9a-zA-Z_$ \n.]*\)*/ contains=jsClassKeywords,jsClassNoise skipwhite skipempty nextgroup=jsClassBlock,jsFlowClass
 syntax match   jsDecorator              contained "@" nextgroup=jsDecoratorFunction
 syntax match   jsDecoratorFunction      contained "[a-zA-Z_][a-zA-Z0-9_.]*"
 syntax match   jsClassProperty          contained /\<[0-9a-zA-Z_$]*\>\(\s*=\)\@=/ skipwhite skipempty nextgroup=jsClassValue
@@ -180,9 +180,9 @@ syntax match   jsDestructuringPropertyValue     contained /\<[0-9a-zA-Z_$]*\>/
 syntax match   jsDestructuringProperty          contained /\<[0-9a-zA-Z_$]*\>\(\s*=\)\@=/ skipwhite skipempty nextgroup=jsDestructuringValue
 syntax match   jsDestructuringAssignment        contained /\<[0-9a-zA-Z_$]*\>\(\s*:\)\@=/ skipwhite skipempty nextgroup=jsDestructuringValueAssignment
 syntax region  jsDestructuringValue             contained start=/=/ end=/[,}\]]\@=/ contains=@jsExpression extend
-syntax region  jsDestructuringValueAssignment   contained start=/:/ end=/[,}]\@=/ contains=jsDestructuringPropertyValue,jsDestructuringBlock,jsNoise,jsDestructuringNoise extend
+syntax region  jsDestructuringValueAssignment   contained start=/:/ end=/[,}=]\@=/ contains=jsDestructuringPropertyValue,jsDestructuringBlock,jsNoise,jsDestructuringNoise skipwhite skipempty nextgroup=jsDestructuringValue extend
 syntax match   jsDestructuringNoise             contained /[,\[\]]/
-syntax region  jsDestructuringPropertyComputed  contained matchgroup=jsBrackets start=/\[/ end=/]/ contains=@jsExpresslon skipwhite skipempty nextgroup=jsDestructuringValue,jsDestructuringNoise extend fold
+syntax region  jsDestructuringPropertyComputed  contained matchgroup=jsBrackets start=/\[/ end=/]/ contains=@jsExpression skipwhite skipempty nextgroup=jsDestructuringValue,jsDestructuringNoise extend fold
 
 " Comments
 syntax keyword jsCommentTodo    contained TODO FIXME XXX TBD