search update

@@ -29,6 +29,20 @@ var ranToken = writeSearch.getRanToken();
 var chHammer, cHammer;
 
 chHammer = new Hammer($clearHistory[0]);
+
+function isLocalStorageSupported() {
+    var testKey = 'test',
+        storage = Window.prototype.localStorage;
+
+    try {
+        storage.setItem(testKey, 'testValue');
+        storage.removeItem(testKey);
+        return true;
+    } catch (error) {
+        return false;
+    }
+}
+
 chHammer.on('tap', function() {
     dialog.showDialog({
         dialogText: '您确定要删除您的最近搜索吗？',
@@ -37,7 +51,9 @@ chHammer.on('tap', function() {
             rightBtnText: '确定'
         }
     }, function() {
-        localStorage.removeItem('historys');
+        if (isLocalStorageSupported()) {
+            localStorage.removeItem('historys');
+        }
 
         $history.html('');
         $historySearch.hide();
@@ -126,19 +142,6 @@ $search.on('touchend', function() {
     return false;
 });
 
-function isLocalStorageSupported() {
-    var testKey = 'test',
-        storage = Window.prototype.localStorage;
-
-    try {
-        storage.setItem(testKey, 'testValue');
-        storage.removeItem(testKey);
-        return true;
-    } catch (error) {
-        return false;
-    }
-}
-
 //初始化历史搜索的内容
 (function() {
     var html = '',
@@ -146,7 +149,9 @@ function isLocalStorageSupported() {
         historys, i, num = 1;
 
     if (localStorage) {
-        historys = localStorage.getItem('historys');
+        if (isLocalStorageSupported()) {
+            historys = localStorage.getItem('historys');
+        }
 
         if (historys && historys.length > 0) {
             historys = historys.split(ranToken);
@@ -174,6 +179,6 @@ function isLocalStorageSupported() {
     }
 }());
 
-if (isLocalStorageSupported) {
+if (isLocalStorageSupported()) {
     writeSearch.bindWirteLocal($form);
 }

@@ -6,6 +6,19 @@
 
 var ranToken = ' ??++ ';
 
+function isLocalStorageSupported() {
+    var testKey = 'test',
+        storage = Window.prototype.localStorage;
+
+    try {
+        storage.setItem(testKey, 'testValue');
+        storage.removeItem(testKey);
+        return true;
+    } catch (error) {
+        return false;
+    }
+}
+
 //获取分隔符
 function getRanToken() {
     return ranToken;
@@ -18,7 +31,9 @@ function bindWirteLocal($form) {
             historys;
 
         if (localStorage) {
-            historys = localStorage.getItem('historys');
+            if (isLocalStorageSupported()) {
+                historys = localStorage.getItem('historys');
+            }
 
             historys = historys ? historys : '';
 
@@ -31,8 +46,9 @@ function bindWirteLocal($form) {
             }
 
             historys += query + ranToken;
-
-            localStorage.setItem('historys', historys);
+            if (isLocalStorageSupported()) {
+                localStorage.setItem('historys', historys);
+            }
         }
     });
 }