Add readAsBinaryString function to IE11

themes/default/templates/layouts/default.html.ep

@@ -22,6 +22,32 @@
                 console.log(i18n.confirmExit);
                 return i18n.confirmExit;
             }
+     
+    // Is the browser IE?        
+    var isIE = /*@cc_on!@*/false || !!document.documentMode;
+	
+	// If the browser is IE, add readAsBinaryString function and store the data
+if (isIE == true){
+    if (FileReader.prototype.readAsBinaryString === undefined) {
+        FileReader.prototype.readAsBinaryString = function (fileData) {
+                var binary = "";
+                var pt = this;
+                var reader = new FileReader();
+                reader.onload = function (e) {
+                    var bytes = new Uint8Array(reader.result);
+                    var length = bytes.byteLength;
+                    for (var i = 0; i < length; i++) {
+                        binary += String.fromCharCode(bytes[i]);
+                    }
+                    //pt.result  - readonly so assign content to another property
+                    pt.content = binary;
+                    $(pt).trigger('onloadend');
+                }
+            reader.readAsArrayBuffer(fileData);
+        }
+    }
+}
+            
         % end
         <meta name="viewport" content="width=device-width, initial-scale=1.0">
     </head>