jquery
diff --git a/‎Gruntfile.js‎
Lines changed: 7 additions & 3 deletions b/‎Gruntfile.js‎
Lines changed: 7 additions & 3 deletions
@@ -159,19 +159,23 @@ module.exports = function( grunt ) {
 				options: {
 					preserveComments: false,
 					sourceMap: true,
-					ASCIIOnly: true,
 					sourceMapName:
 						"dist/<%= grunt.option('filename').replace('.js', '.min.map') %>",
 					report: "min",
-					beautify: {
+					output: {
 						"ascii_only": true
 					},
 					banner: "/*! jQuery v<%= pkg.version %> | " +
 						"(c) JS Foundation and other contributors | jquery.org/license */",
 					compress: {
 						"hoist_funs": false,
 						loops: false,
-						unused: false
+						unused: false,
+
+						// Support: IE <11
+						// typeofs transformation is unsafe for IE9-10
+						// See https://github.com/mishoo/UglifyJS2/issues/2198
+						typeofs: false
 					}
 				}
 			}