michael@0: var obj = {attr: 'value'};
michael@0: 
michael@0: (function() {
michael@0:     var name = 'attr';
michael@0:     for (var i = 0; i < 10; ++i)
michael@0:         assertEq(obj[name], 'value');
michael@0: })();
michael@0: 
michael@0: /* Look up a string id. */