From 05df3e07e1a8c44108efcdfebf9c45300a2c9769 Mon Sep 17 00:00:00 2001
From: Eli Grey <me@eligrey.com>
Date: Fri, 24 Jan 2014 00:40:21 -0500
Subject: [PATCH] Closes #40 and #66

Also assuming navigator is defined from now on
---
 FileSaver.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/FileSaver.js b/FileSaver.js
index 2b9417d..b05fa1a 100644
--- a/FileSaver.js
+++ b/FileSaver.js
@@ -14,9 +14,15 @@
 /*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
 
 var saveAs = saveAs
-  || (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator))
+  // IE 10+ (native saveAs)
+  || (navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator))
+  // Everyone else
   || (function(view) {
 	"use strict";
+	// IE <10 is explicitly unsupported
+	if (/MSIE [1-9]\./.test(navigator.userAgent)) {
+		return;
+	}
 	var
 		  doc = view.document
 		  // only get URL when necessary in case BlobBuilder.js hasn't overridden it yet