add isLocalhost

docs/mobile.html

@@ -22,9 +22,16 @@
     <script src="./uncompiled/artplayer.js"></script>
     <script src="./assets/js/mobile.js"></script>
     <script>
+        var isLocalhost = Boolean(
+            window.location.hostname === 'localhost' ||
+            window.location.hostname === '[::1]' ||
+            window.location.hostname.match(
+                /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+            )
+        );
         var _hmt = _hmt || [];
         (function () {
-            if (window.location.hostname !== 'localhost') {
+            if (!isLocalhost) {
                 var hm = document.createElement('script');
                 hm.src = 'https://hm.baidu.com/hm.js?b6c9b8bafbf5fe7225160101dafbbc7d';
                 var s = document.getElementsByTagName('script')[0];