refactor(defaultTheme): refine logError() definition

Author: marjune163

src/tpl/defaultTheme/frontend/index.js

@@ -18,16 +18,11 @@
 	var Esc = 'Esc';
 	var Space = ' ';
 
-	var noop = function () {
-	};
+	function noop() {
+	}
 
-	var logError;
-	if (typeof console !== strUndef) {
-		logError = function (err) {
-			console.error(err);
-		}
-	} else {
-		logError = noop;
+	var logError = typeof console === strUndef ? noop : function (err) {
+		console.error(err);
 	}
 
 	var hasStorage = false;