Use Array.isArray, when possible.

mcpascal · Aug 29, 2016 · 8344a10 · 8344a10
1 parent d9ebbae
commit 8344a10
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/unpacked/MathJax.js b/unpacked/MathJax.js
@@ -155,7 +155,7 @@ MathJax.cdnFileVersions = {};  // can be used to specify revisions for individua
     })
   });
 
-  BASE.Object.isArray = function (obj) {
+  BASE.Object.isArray = Array.isArray || function (obj) {
     return Object.prototype.toString.call(obj) === "[object Array]";
   };