Reset WebSQL database dropping every tables

reset-websql-database.js

var db = openDatabase('myDatabase', '', 'My database description', 5 * 1024 * 1024);

if (reinitDb) {
	db.changeVersion(db.version, '', function(t) {
		t.executeSql("SELECT name FROM sqlite_master WHERE type='table' and name not like '__Webkit%'", [], function(sqlTransaction, sqlResultSet) {
			var table, tablesNumber = sqlResultSet.rows.length;
			console.log('DATABASE RESET MODE ENABLED');
			for (var i = 0; i < tablesNumber; i++) {
				table = sqlResultSet.rows.item(i);
				console.log('Removing table: ' + table.name);
				sqlTransaction.executeSql('DROP TABLE ' + table.name);
			}
		});
	});
}