src/third_party/web_platform_tests/IndexedDB/idbindex_count2.htm - cobalt - Git at Google

 <!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>
	<!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>