var funcs = {}; for (var i=0; i<3; i++){ funcs[i] = function(){ alert[i); } } for (var j = 0; j < 3; j++){ funcs[j](); } the code should print 0, 1, 2. but there is a bug, what is it and how should you fix it?

Given a code A wrote, putting the code in a given code B. there is the same parameter 'i' in A code & B code. the code doesn't work: 1. why? 2. how to fix. 3. how to make it generic

OO structure question of building a post system that can create notes on a screen. describe how you would do UNDO function. give 2 answers, one should be fast, the other low memory.

Second interview: Given a system the knows how to handle Queues, give a solution to a slow process to handle messages that are kept in a queue. the types are A,B,C. the queue is like A,A,B,C,A rules: 1. can't process same message type at the same time (order must be kept) an expansion to the queue is a message of two types AC that cannot be split.