diff --git a/babel/messages/jslexer.py b/babel/messages/jslexer.py
index 4d9e66fca..5a9c34597 100644
--- a/babel/messages/jslexer.py
+++ b/babel/messages/jslexer.py
@@ -22,7 +22,7 @@
     '[', ']', '{', '}', '!', '--', '++', '~', ',', ';', '.', ':',
 ], key=len, reverse=True)  # fmt: skip
 
-escapes: dict[str, str] = {'b': '\b', 'f': '\f', 'n': '\n', 'r': '\r', 't': '\t'}
+escapes: dict[str, str] = {'b': '\b', 'f': '\f', 'n': '\n', 'r': '\r', 't': '\t', 'v': '\v'}
 
 name_re = re.compile(r'[\w$_][\w\d$_]*', re.UNICODE)
 dotted_name_re = re.compile(r'[\w$_][\w\d$_.]*[\w\d$_.]', re.UNICODE)
diff --git a/tests/messages/test_js_extract.py b/tests/messages/test_js_extract.py
index af6dfb144..2bad02041 100644
--- a/tests/messages/test_js_extract.py
+++ b/tests/messages/test_js_extract.py
@@ -10,6 +10,7 @@ def test_simple_extract():
 msg1 = _('simple')
 msg2 = gettext('simple')
 msg3 = ngettext('s', 'p', 42)
+msg4 = gettext('before\\vafter')
     """)
     messages = \
         list(extract.extract('javascript', buf, extract.DEFAULT_KEYWORDS,
@@ -17,7 +18,8 @@ def test_simple_extract():
 
     assert messages == [(1, 'simple', [], None),
                         (2, 'simple', [], None),
-                        (3, ('s', 'p'), [], None)]
+                        (3, ('s', 'p'), [], None),
+                        (4, 'before\vafter', [], None)]
 
 
 def test_various_calls():
diff --git a/tests/messages/test_jslexer.py b/tests/messages/test_jslexer.py
index 00afc78ae..788e29a41 100644
--- a/tests/messages/test_jslexer.py
+++ b/tests/messages/test_jslexer.py
@@ -6,6 +6,8 @@ def test_unquote():
     assert jslexer.unquote_string(r'"h\u00ebllo"') == "hëllo"
     assert jslexer.unquote_string(r'"h\xebllo"') == "hëllo"
     assert jslexer.unquote_string(r'"\xebb"') == "ëb"
+    assert jslexer.unquote_string(r'"a\vb"') == "a\vb"
+    assert jslexer.unquote_string(r'"\\v"') == r"\v"
 
 
 def test_dollar_in_identifier():