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+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>IDBIndex.count() - returns the number of records that have keys with the key</title>
+<link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal">
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script src=resources/support.js></script>
+
+<script>
+ var db
+
+ createdb(async_test()).onupgradeneeded = function(e) {
+ db = e.target.result
+
+ var store = db.createObjectStore("store", { autoIncrement: true })
+ store.createIndex("myindex", "idx")
+
+ for (var i = 0; i < 10; i++)
+ store.add({ idx: "data_" + (i%2) });
+
+ store.index("myindex").count("data_0").onsuccess = this.step_func(function(e) {
+ assert_equals(e.target.result, 5, "count(data_0)")
+ this.done()
+ })
+ }
+
+</script>
+<div id=log></div>