Earlier quoted context omitted.
So you should never think of "sleep" in javascript. Since the language is single-threaded, really if you pause the script you're pausing the entire environment (whether its in the browser or on the server in something like Node.js). But, to answer your question: // some code runs here var continue = function(data){ //more code runs in here after sleep } setTimeout(function(){ continue(data); },2000); A different patt…
IMO, a better pattern is to use lexical closures in continuation-passing style to share state: function sleep(time, continuation) { setTimeout(continuation, time); } function start_process(x) { var y = foo(x); sleep(1000, function() { var z = bar(x, y); sleep(2000, function() { baz(x, y, z); });}); } start_process(42);
Re: Offer HN: I'll answer your javascript questions
#41Except that you basically wrote the same thing as my second example, except your functions aren't namespaced and are polluting globals.