Try to get IE11 and 20 to take toUTCString fix

es-shims · Dec 10, 2015 · 67d99f1 · 67d99f1
1 parent 049222e
commit 67d99f1
Showing 1 changed file with 6 additions and 9 deletions.
diff --git a/es5-shim.js b/es5-shim.js
@@ -1103,7 +1103,11 @@ defineProperties(Date.prototype, {
 }, hasNegativeMonthYearBug);
 
 if (hasNegativeMonthYearBug || hasToUTCStringFormatBug) {
-    Date.prototype.toUTCString = function toUTCString() {
+    delete Date.prototype.toUTCString;
+}
+
+defineProperties(Date.prototype, {
+    toUTCString: function toUTCString() {
         if (!this || !(this instanceof Date)) {
             throw new TypeError('this is not a Date object.');
         }
@@ -1121,15 +1125,8 @@ if (hasNegativeMonthYearBug || hasToUTCStringFormatBug) {
             (hour < 10 ? '0' + hour : hour) + ':' +
             (minute < 10 ? '0' + minute : minute) + ':' +
             (second < 10 ? '0' + second : second) + ' GMT';
-    };
-    if (supportsDescriptors) {
-        $Object.defineProperty(Date.prototype, 'toUTCString', {
-            configurable: true,
-            enumerable: false,
-            writable: true
-        });
     }
-}
+}, hasNegativeMonthYearBug || hasToUTCStringFormatBug);
 
 // Opera 12 has `,`
 defineProperties(Date.prototype, {