diff --git a/pygments/lexers/javascript.py b/pygments/lexers/javascript.py
index 92d6052ea5..e3fbddab1b 100644
--- a/pygments/lexers/javascript.py
+++ b/pygments/lexers/javascript.py
@@ -89,8 +89,8 @@ class JavascriptLexer(RegexLexer):
              r'package|private|protected|public|short|static|super|synchronized|throws|'
              r'transient|volatile)\b', Keyword.Reserved),
             (r'(true|false|null|NaN|Infinity|undefined)\b', Keyword.Constant),
-            (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
-             r'Number|Object|Packages|RegExp|String|Promise|Proxy|sun|decodeURI|'
+            (r'(Array|Boolean|Date|Error|Function|Math|'
+             r'Number|Object|RegExp|String|Promise|Proxy|decodeURI|'
              r'decodeURIComponent|encodeURI|encodeURIComponent|'
              r'Error|eval|isFinite|isNaN|isSafeInteger|parseFloat|parseInt|'
              r'document|this|window)\b', Name.Builtin),
@@ -182,8 +182,8 @@ class KalLexer(RegexLexer):
             (r'(?<![.$])(true|false|yes|no|on|off|null|nothing|none|'
              r'NaN|Infinity|undefined)\b',
              Keyword.Constant),
-            (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
-             r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
+            (r'(Array|Boolean|Date|Error|Function|Math|'
+             r'Number|Object|RegExp|String|decodeURI|'
              r'decodeURIComponent|encodeURI|encodeURIComponent|'
              r'eval|isFinite|isNaN|isSafeInteger|parseFloat|parseInt|document|'
              r'window|'
@@ -287,8 +287,8 @@ class LiveScriptLexer(RegexLexer):
             (r'(?<![.$])(true|false|yes|no|on|off|'
              r'null|NaN|Infinity|undefined|void)\b',
              Keyword.Constant),
-            (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
-             r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
+            (r'(Array|Boolean|Date|Error|Function|Math|'
+             r'Number|Object|RegExp|String|decodeURI|'
              r'decodeURIComponent|encodeURI|encodeURIComponent|'
              r'eval|isFinite|isNaN|parseFloat|parseInt|document|window)\b',
              Name.Builtin),
@@ -490,15 +490,15 @@ class TypeScriptLexer(RegexLexer):
             (r'[})\].]', Punctuation),
             (r'(for|in|while|do|break|return|continue|switch|case|default|if|else|'
              r'throw|try|catch|finally|new|delete|typeof|instanceof|void|of|'
-             r'this)\b', Keyword, 'slashstartsregex'),
+             r'this|async|await|yield)\b', Keyword, 'slashstartsregex'),
             (r'(var|let|with|function)\b', Keyword.Declaration, 'slashstartsregex'),
             (r'(abstract|boolean|byte|char|class|const|debugger|double|enum|export|'
              r'extends|final|float|goto|implements|import|int|interface|long|native|'
              r'package|private|protected|public|short|static|super|synchronized|throws|'
              r'transient|volatile)\b', Keyword.Reserved),
             (r'(true|false|null|NaN|Infinity|undefined)\b', Keyword.Constant),
-            (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
-             r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
+            (r'(Array|Boolean|Date|Error|Function|Math|'
+             r'Number|Object|RegExp|String|decodeURI|'
              r'decodeURIComponent|encodeURI|encodeURIComponent|'
              r'Error|eval|isFinite|isNaN|parseFloat|parseInt|document|this|'
              r'window)\b', Name.Builtin),
@@ -912,8 +912,8 @@ class ObjectiveJLexer(RegexLexer):
              r'MIN|MAX|RAND|SQRT|E|LN2|LN10|LOG2E|LOG10E|PI|PI2|PI_2|SQRT1_2|'
              r'SQRT2)\b', Keyword.Constant),
 
-            (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
-             r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
+            (r'(Array|Boolean|Date|Error|Function|Math|'
+             r'Number|Object|RegExp|String|decodeURI|'
              r'decodeURIComponent|encodeURI|encodeURIComponent|'
              r'Error|eval|isFinite|isNaN|parseFloat|parseInt|document|this|'
              r'window)\b', Name.Builtin),
@@ -1084,8 +1084,8 @@ class CoffeeScriptLexer(RegexLexer):
             (r'(?<![.$])(true|false|yes|no|on|off|null|'
              r'NaN|Infinity|undefined)\b',
              Keyword.Constant),
-            (r'(Array|Boolean|Date|Error|Function|Math|netscape|'
-             r'Number|Object|Packages|RegExp|String|sun|decodeURI|'
+            (r'(Array|Boolean|Date|Error|Function|Math|'
+             r'Number|Object|RegExp|String|decodeURI|'
              r'decodeURIComponent|encodeURI|encodeURIComponent|'
              r'eval|isFinite|isNaN|parseFloat|parseInt|document|window)\b',
              Name.Builtin),