diff --git a/voussoir/JavaScript.tmLanguage b/voussoir/JavaScript.tmLanguage
index e4bb3bc..66e66e6 100644
--- a/voussoir/JavaScript.tmLanguage
+++ b/voussoir/JavaScript.tmLanguage
@@ -439,6 +439,39 @@
+
+ begin
+ `
+ beginCaptures
+
+ 0
+
+ name
+ punctuation.definition.string.begin.js
+
+
+ end
+ `
+ endCaptures
+
+ 0
+
+ name
+ punctuation.definition.string.end.js
+
+
+ name
+ string.quoted.interpolated.js
+ patterns
+
+
+ match
+ \\(x\h{2}|[0-2][0-7]{,2}|3[0-6][0-7]?|37[0-7]?|[4-7][0-7]?|.)
+ name
+ constant.character.escape.js
+
+
+
begin
"