for (var prop in {"a": 1, "b": 2, "c": 3}) {
	commands[prop].exec();
}
/**************************************************/
for(var prop in {"a":1,"b":2,"c":3})commands[prop].exec();
/**************************************************/
for ( var prop in {"a": 1, "b": 2, "c": 3} )
{
	commands[prop].exec(  );
}