diff --git a/standard_Operations.html b/standard_Operations.html
index ed23798..f482803 100644
--- a/standard_Operations.html
+++ b/standard_Operations.html
@@ -8470,6 +8470,18 @@ Bitcoin.Util = {
             });
         },
 
+        clearData: function (obsName, dbName = this.dbName) {
+            return new Promise((resolve, reject) => {
+                this.openDB(dbName).then(db => {
+                    var obs = db.transaction(obsName, "readwrite").objectStore(obsName);
+                    let clearReq = obs.clear();
+                    clearReq.onsuccess = (evt) => resolve(`Clear data Successful`);
+                    clearReq.onerror = (evt) => reject(`Clear data Unsuccessful`);
+                    db.close();
+                }).catch(error => reject(error));
+            });
+        },
+
         readData: function (obsName, key, dbName = this.dbName) {
             return new Promise((resolve, reject) => {
                 this.openDB(dbName).then(db => {