gistfile1.js

// first alert(1), then alert(2)

var foo = 1;
alert(1);
var bar = (function(){ alert(2); })();


// first alert(2), then alert(1)

var foo=1,bar=(function(){alert(2);})();alert(1);

/* 

and if we preserve execution of expressions, then there doesn't seem to be any benefit in var hoisting 

*/

var foo,bar;foo=1;alert(1);bar=(function(){alert(2);})();

// compare with a *shorter* original version:
var foo=1;alert(1);var bar=(function(){alert(2);})();