Fix doc.fonts.values presence check in font-display-swap experiment (a…

…mpproject#17408)
UrakFerraz · Aug 15, 2018 · e176437 · e176437
1 parent 5d3f6d0
commit e176437
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/font-stylesheet-timeout.js b/src/font-stylesheet-timeout.js
@@ -123,7 +123,7 @@ function timeoutFontFaces(win) {
   }
   const doc = win.document;
   // TODO(@cramforce) Switch to .values when FontFaceSet extern supports it.
-  if (!doc.fonts && !doc.fonts['values']) {
+  if (!doc.fonts || !doc.fonts['values']) {
     return;
   }
   const it = doc.fonts['values']();