/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
<body>

<script id="jsbin-javascript">
var libraryAssets = [];
        for (var i = 1; i <= 2000; i++) {
            var id = i;
            var model = "XYZAYA-000" + i;
            var manufacturerID = "213" + i;
            libraryAssets.push({id: id, model: model, manufacturerID: manufacturerID});
        }

        var start = new Date().getTime();
        open().then(function (tx, store) {
            var store = tx.objectStore("libraryAsset");
            store.clear();
            var count = 0;
            for (var i = 0; i < libraryAssets.length; i++) {
                var r = store.add(libraryAssets[i]);
            }


            tx.oncomplete = function (event) {
                console.log('took: ',  (new Date().getTime() - start), '[ms]');
            };

            tx.onerror = function (event) {
                console.log('error', event);
            };
        });


        function open() {
            return new Promise(function (resolve, reject) {

                var request = indexedDB.open("performance-pure", 4);

                request.onupgradeneeded = function () {
                    console.log('request.onupgradeneeded');
                    // The database did not previously exist, so create object stores and indexes.
                    var db = request.result;
                    db.createObjectStore("libraryAsset", {keyPath: "id"});
                };

                request.onsuccess = function () {
                    console.log('request.onsuccess');
                    var db = request.result;
                    var transaction = db.transaction(['libraryAsset'], 'readwrite');
                    resolve(transaction);
                };
            });
        }
</script>


<script id="jsbin-source-javascript" type="text/javascript">var libraryAssets = [];
        for (var i = 1; i <= 2000; i++) {
            var id = i;
            var model = "XYZAYA-000" + i;
            var manufacturerID = "213" + i;
            libraryAssets.push({id: id, model: model, manufacturerID: manufacturerID});
        }

        var start = new Date().getTime();
        open().then(function (tx, store) {
            var store = tx.objectStore("libraryAsset");
            store.clear();
            var count = 0;
            for (var i = 0; i < libraryAssets.length; i++) {
                var r = store.add(libraryAssets[i]);
            }


            tx.oncomplete = function (event) {
                console.log('took: ',  (new Date().getTime() - start), '[ms]');
            };

            tx.onerror = function (event) {
                console.log('error', event);
            };
        });


        function open() {
            return new Promise(function (resolve, reject) {

                var request = indexedDB.open("performance-pure", 4);

                request.onupgradeneeded = function () {
                    console.log('request.onupgradeneeded');
                    // The database did not previously exist, so create object stores and indexes.
                    var db = request.result;
                    db.createObjectStore("libraryAsset", {keyPath: "id"});
                };

                request.onsuccess = function () {
                    console.log('request.onsuccess');
                    var db = request.result;
                    var transaction = db.transaction(['libraryAsset'], 'readwrite');
                    resolve(transaction);
                };
            });
        }</script></body>
</html>

## jsbin.tivuqegeko.js
var libraryAssets = [];
        for (var i = 1; i <= 2000; i++) {
            var id = i;
            var model = "XYZAYA-000" + i;
            var manufacturerID = "213" + i;
            libraryAssets.push({id: id, model: model, manufacturerID: manufacturerID});
        }

        var start = new Date().getTime();
        open().then(function (tx, store) {
            var store = tx.objectStore("libraryAsset");
            store.clear();
            var count = 0;
            for (var i = 0; i < libraryAssets.length; i++) {
                var r = store.add(libraryAssets[i]);
            }


            tx.oncomplete = function (event) {
                console.log('took: ',  (new Date().getTime() - start), '[ms]');
            };

            tx.onerror = function (event) {
                console.log('error', event);
            };
        });


        function open() {
            return new Promise(function (resolve, reject) {

                var request = indexedDB.open("performance-pure", 4);

                request.onupgradeneeded = function () {
                    console.log('request.onupgradeneeded');
                    // The database did not previously exist, so create object stores and indexes.
                    var db = request.result;
                    db.createObjectStore("libraryAsset", {keyPath: "id"});
                };

                request.onsuccess = function () {
                    console.log('request.onsuccess');
                    var db = request.result;
                    var transaction = db.transaction(['libraryAsset'], 'readwrite');
                    resolve(transaction);
                };
            });
        }
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>JS Bin</title>
	</head>
	<body>

	<script id="jsbin-javascript">
	var libraryAssets = [];
	for (var i = 1; i <= 2000; i++) {
	var id = i;
	var model = "XYZAYA-000" + i;
	var manufacturerID = "213" + i;
	libraryAssets.push({id: id, model: model, manufacturerID: manufacturerID});
	}

	var start = new Date().getTime();
	open().then(function (tx, store) {
	var store = tx.objectStore("libraryAsset");
	store.clear();
	var count = 0;
	for (var i = 0; i < libraryAssets.length; i++) {
	var r = store.add(libraryAssets[i]);
	}


	tx.oncomplete = function (event) {
	console.log('took: ', (new Date().getTime() - start), '[ms]');
	};

	tx.onerror = function (event) {
	console.log('error', event);
	};
	});


	function open() {
	return new Promise(function (resolve, reject) {

	var request = indexedDB.open("performance-pure", 4);

	request.onupgradeneeded = function () {
	console.log('request.onupgradeneeded');
	// The database did not previously exist, so create object stores and indexes.
	var db = request.result;
	db.createObjectStore("libraryAsset", {keyPath: "id"});
	};

	request.onsuccess = function () {
	console.log('request.onsuccess');
	var db = request.result;
	var transaction = db.transaction(['libraryAsset'], 'readwrite');
	resolve(transaction);
	};
	});
	}
	</script>



	<script id="jsbin-source-javascript" type="text/javascript">var libraryAssets = [];
	for (var i = 1; i <= 2000; i++) {
	var id = i;
	var model = "XYZAYA-000" + i;
	var manufacturerID = "213" + i;
	libraryAssets.push({id: id, model: model, manufacturerID: manufacturerID});
	}

	var start = new Date().getTime();
	open().then(function (tx, store) {
	var store = tx.objectStore("libraryAsset");
	store.clear();
	var count = 0;
	for (var i = 0; i < libraryAssets.length; i++) {
	var r = store.add(libraryAssets[i]);
	}


	tx.oncomplete = function (event) {
	console.log('took: ', (new Date().getTime() - start), '[ms]');
	};

	tx.onerror = function (event) {
	console.log('error', event);
	};
	});


	function open() {
	return new Promise(function (resolve, reject) {

	var request = indexedDB.open("performance-pure", 4);

	request.onupgradeneeded = function () {
	console.log('request.onupgradeneeded');
	// The database did not previously exist, so create object stores and indexes.
	var db = request.result;
	db.createObjectStore("libraryAsset", {keyPath: "id"});
	};

	request.onsuccess = function () {
	console.log('request.onsuccess');
	var db = request.result;
	var transaction = db.transaction(['libraryAsset'], 'readwrite');
	resolve(transaction);
	};
	});
	}</script></body>
	</html>