<!DOCTYPE html> <meta charset=utf-8> <title>IDBIndex.count() - returns the number of records that have keys within the range </title> <link rel="author" title="Microsoft" href="http://www.microsoft.com"> <script src=/resources/testharness.js></script> <script src=/resources/testharnessreport.js></script> <script src=support.js></script> <script> var db, t = async_test(); var open_rq = createdb(t); open_rq.onupgradeneeded = function(e) { db = e.target.result; var store = db.createObjectStore("store", { autoIncrement: true }); store.createIndex("index", "indexedProperty"); for(var i = 0; i < 10; i++) { store.add({ indexedProperty: "data" + i }); } } open_rq.onsuccess = function(e) { var rq = db.transaction("store") .objectStore("store") .index("index") .count(IDBKeyRange.bound('data0', 'data4')); rq.onsuccess = t.step_func(function(e) { assert_equals(e.target.result, 5); t.done(); }); } </script> <div id=log></div>