Fix isValid for Unix timestamp parser

diff --git a/moment.js b/moment.js
index 3a5ebd2fe711efb3cc37fa0fa5d6364a6a74e25e..1e2cb4e9862b8c5c5062f8e115958a6d90156ca2 100644 (file)
--- a/moment.js
+++ b/moment.js
@@ -785,6 +785,7 @@
         // UNIX TIMESTAMP WITH MS
         case 'X':
             config._d = new Date(parseFloat(input) * 1000);
+            config._isValid = !isNaN(config._d.getTime());
             break;
         // TIMEZONE
         case 'Z' : // fall through to ZZ