indexeddb での複数のindex作成について

IndexeddbのcreateIndexにて複数のindexを作成し、検索をかけたいのですが、下コードのうち、indexがmyvalueIndexしか動作しません。
(getKey(event)は動作しますが、getAllcate(event)が動作しません)
何処を修正すれば複数のindexを利用することが出来るのでしょうか？
ちなみにiOS版sfariで動作確認しています

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8"/>
  <title>Indexed DataBase APIサンプル</title>
</head>
<body>
  <h3>登録・更新</h3>
  キー：<input type="text" id="newkey" />
  バリュー：<input type="number" id="newvalue" />
    バリュー2：<input type="number" id="newvalue2" />
  <input type="button" value="設定" onclick="setValue()"/>
  <hr />
   
  <h3>参照</h3>
  <input type="button" value="全取得" onclick="getAll()"/>
  <hr />
   
  <h3>インデックスを使った検索</h3>
  <input type="number" id="selectValue1" />～<input type="number" id="selectValue2" />
  <input type="button" value="検索" onclick="getKey()"/>
  <hr />
   
  <h3>処理結果</h3>
  <div id="result"></div>
  
    <h3>登録・更新</h3>
  <!--キー：<div onclick="getAllcate()">iui<input type="text" id="newkeynew"/></div>-->
 
  <input type="number" id="selectValue3" />
  <input type="button" value="検索" onclick="getAllcate()"/>
  
  <hr />
   <h3>処理結果2
  </h3>
  <div id="result2"></div>
    
</body>
<script>
  var db;
  var indexedDB = window.indexedDB || window.mozIndexedDB || window.msIndexedDB;
  if (indexedDB) {
    // データベースを削除したい場合はコメントを外します。
    //indexedDB.deleteDatabase("mydb");

    var openRequest = indexedDB.open("mydb", 1.0);
     
    openRequest.onupgradeneeded = function(event) {
      // データベースのバージョンに変更があった場合(初めての場合もここを通ります。)
      db = event.target.result;
      var store = db.createObjectStore("mystore", { keyPath: "mykey"
                                                   ,autoIncrement:true
                                               });
 store.createIndex("myvalueIndex",["myvalue","myvalue2"]
                      ,{unique:false,multiEntry:false}
                  );
                  
 store.createIndex("myvalueIndexcate",["myvalue"]
                      ,{unique:false,multiEntry:false}
                  );

    }
    openRequest.onsuccess = function(event) {
          db = event.target.result;
        }
  } else {
    window.alert("このブラウザではIndexed DataBase API は使えません。");
  }
   
  function setValue(event) {
    var key = document.getElementById("newkey").value;
    var value = Number(document.getElementById("newvalue").value);
     var value2 = Number(document.getElementById("newvalue2").value);
    var transaction = db.transaction(["mystore"], "readwrite");
    var store = transaction.objectStore("mystore");
     
    var request = store.put({ mykey: key, myvalue: value, myvalue2: value2});
    request.onsuccess = function (event) {
      document.getElementById("newkey").value = "";
      document.getElementById("newvalue").value = "";
        document.getElementById("newvalue2").value = "";
    }
  }
   
   
  function getAll(event) {
    var result = document.getElementById("result");
    result.innerHTML = "";
     
    var transaction = db.transaction(["mystore"], "readwrite");
    var store = transaction.objectStore("mystore");
    var request = store.openCursor();
     
    request.onsuccess = function (event) {
     
      if(event.target.result == null) {
        return;
      }
       
      var cursor = event.target.result;
          var data = cursor.value;
      result.innerHTML += "key："  + cursor.key +  "  value：" + data.myvalue +  "  value2：" + data.myvalue2 +"<br/>";
       
      cursor.continue();
    }
  }

    function getKey(event) {
  var value1 = Number(document.getElementById("selectValue1").value);
  var value2 = Number(document.getElementById("selectValue2").value);
    var result = document.getElementById("result");
    result.innerHTML = "";
    var transaction = db.transaction(["mystore"], "readwrite");
    var store = transaction.objectStore("mystore");
    var index = store.index("myvalueIndex");
   // var range = IDBKeyRange.bound(value1, value2);
   //var request = index.openCursor(range);
 var request = index.openCursor([value1,value2],"next");
    request.onsuccess = function (event) {
    if(event.target.result == null) {
    return;
   }
      var cursor = event.target.result;
       var data = cursor.value;
         result.innerHTML += "value：" + data.myvalue + "value2：" + data.myvalue2 +  "  key："  + data.mykey + "<br/>";
      cursor.continue();
    }
  }

 
    function getAllcate(event) {
        var value3 = Number(document.getElementById("selectValue3").value);
    var result = document.getElementById("result");
    result.innerHTML = "";
    var transaction = db.transaction(["mystore"], "readwrite");
    var store = transaction.objectStore("mystore");
    var index = store.index("myvalueIndexcate");
   // var range = IDBKeyRange.bound(value1, value2);
   //var request = index.openCursor(range);
 var request = index.openCursor([value3],"next");
    request.onsuccess = function (event) {
    if(event.target.result == null) {
    return;
   }
      var cursor = event.target.result;
       var data = cursor.value;
         result.innerHTML += "value：" + data.myvalue + "value2：" + data.myvalue2 +  "  key："  + data.mykey + "<br/>";
      cursor.continue();
    }
  }
      
      
</script>
</html>