diff --git a/core/src/components/range/test/standalone/index.html b/core/src/components/range/test/standalone/index.html
index 0d59c6fa3a..8ddfdec304 100644
--- a/core/src/components/range/test/standalone/index.html
+++ b/core/src/components/range/test/standalone/index.html
@@ -23,6 +23,7 @@
+