Work around a weird computed number issue in WebKit. Fixes #5145.

diff --git a/src/support.js b/src/support.js
index 8e8d20e0ec0c7304f72afa728a1cee3fa183921c..91ee77d390c4f4789f7b189c08d26c87b929f23c 100644 (file)
--- a/src/support.js
+++ b/src/support.js
@@ -40,7 +40,8 @@
 
                // Make sure that element opacity exists
                // (IE uses filter instead)
-               opacity: a.style.opacity === "0.55",
+               // Use a regex to work around a WebKit issue. See #5145
+               opacity: /^0.55$/.test( a.style.opacity ),
 
                // Verify style float existence
                // (IE uses styleFloat instead of cssFloat)