diff --git a/examples/grammars/javascript.cc b/examples/grammars/javascript.cc
index de762e8c..4882a539 100644
--- a/examples/grammars/javascript.cc
+++ b/examples/grammars/javascript.cc
@@ -34,6 +34,7 @@ namespace tree_sitter_examples {
 
         // Statements
         { "statement", choice({
+            sym("comment"),
             sym("statement_block"),
             sym("if_statement"),
             sym("switch_statement"),
@@ -176,6 +177,7 @@ namespace tree_sitter_examples {
         { "true", str("true") },
         { "false", str("false") },
 
+        { "comment", pattern("//[^\n]*") },
         { "_terminator", pattern("[;\n]") },
         { "string", pattern("\"([^\"]|\\\\\")+\"") },
         { "identifier", pattern("\\a[\\w_$]*") },
diff --git a/spec/runtime/languages/javascript/main.txt b/spec/runtime/languages/javascript/main.txt
index d7276014..13c66017 100644
--- a/spec/runtime/languages/javascript/main.txt
+++ b/spec/runtime/languages/javascript/main.txt
@@ -59,4 +59,13 @@ print(object[propertyName()]);
         (identifier)
         (property_access (identifier) (function_call (identifier))))))
 
-
+==========================================
+parses comments
+==========================================
+// this is another comment
+stuff(); // this is a comment
+---
+(program
+    (comment)
+    (expression_statement (function_call (identifier)))
+    (comment))