1 files changed, 15 insertions, 1 deletions
diff --git a/src/components/script/dom/bindings/conversions.rs b/src/components/script/dom/bindings/conversions.rs
index 14c9f3b5949..81f71bcc78e 100644
--- a/src/components/script/dom/bindings/conversions.rs
+++ b/src/components/script/dom/bindings/conversions.rs
@@ -85,4 +85,18 @@ impl JSValConvertible for f32 {
             Some(RUST_JSVAL_TO_DOUBLE(val) as f32)
         }
     }
-}
-\ No newline at end of file
+}
+
+impl JSValConvertible for f64 {
+    fn to_jsval(&self) -> JSVal {
+        unsafe {
+            RUST_DOUBLE_TO_JSVAL(*self as f64)
+        }
+    }
+
+    fn from_jsval(val: JSVal) -> Option<f64> {
+        unsafe {
+            Some(RUST_JSVAL_TO_DOUBLE(val) as f64)
+        }
+    }
+}