clearAsyncStorage.js

(function() {
    console.log('connecting');
    var req = indexedDB.open('asyncStorage', 0);
    req.onsuccess = function() {
        console.log('connected to asyncStorage')
        var db = req.result;
        var delReq = db.deleteObjectStore('keyvaluepairs');
        delReq.onsuccess = function () {
            console.log('success!');
        }
        delReq.onerror = function () {
            console.log('error!' +  req.error.name);
        }
    };
})();