src/third_party/web_platform_tests/IndexedDB/idbindex_count3.htm - cobalt - Git at Google

 <!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=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>
	<!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=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>