Merge pull request #3997 from Polymer/perf-ie-style-cache

Fix IE style cache performance
Polymer · Sep 26, 2016 · e45eeff · e45eeff
2 parents 03989ac + d08b694
commit e45eeff
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/src/lib/style-properties.html b/src/lib/style-properties.html
@@ -500,9 +500,13 @@
             }
           // shady and cache hit but not in document
           } else if (!style.parentNode) {
+            if (IS_IE && cssText.indexOf('@media') > -1) {
+              // @media rules may be stale in IE 10 and 11
+              // refresh the text content of the style to revalidate them.
+              style.textContent = cssText;
+            }
             styleUtil.applyStyle(style, null, element._scopeStyle);
           }
-
         }
         // ensure this style is our custom style and increment its use count.
         if (style) {
@@ -513,10 +517,6 @@
           }
           element._customStyle = style;
         }
-        // @media rules may be stale in IE 10 and 11
-        if (IS_IE) {
-          style.textContent = style.textContent;
-        }
         return style;
       },