lib/sklad.js
function checkContainingStores(objStoreNames) {
    return objStoreNames.every(function (storeName) {
        return (indexOf.call(this.database.objectStoreNames, storeName) !== -1);
    }, this);
}
function checkContainingStores(objStoreNames) {
    return objStoreNames.every(function (storeName) {
        return (indexOf.call(this.database.objectStoreNames, storeName) !== -1);
    }, this);
}
function checkContainingStores ( objStoreNames ) { return objStoreNames . every ( function ( storeName ) { return ( indexOf . call ( this . database . objectStoreNames , storeName ) !== - 1 ) ; } , this ) ; }
Check whether database contains all needed stores

@param {Array<String>} objStoreNames
@return {Boolean}
Check whether database contains all needed stores