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Trevor_burnham__goofy_headshot__pragsmall
03 Dec 2012, 19:41
Trevor Burnham (54 posts)

This is the official Async JavaScript book discussion forum. Please post your questions about the book here. I’ll try to answer them as promptly as I can.

Avatar_pragsmall
10 Dec 2012, 15:53
Jakub Arnold (4 posts)

Is the upgrade from leanpub version still available? I just found the email you sent in november :)

Trevor_burnham__goofy_headshot__pragsmall
11 Dec 2012, 01:07
Trevor Burnham (54 posts)

Please email me about this, Jakub: trevorburnham@gmail.com

Generic-user-small
19 Dec 2012, 16:26
Joseph Muraski (1 post)

I think I added my name to the list for the upgrade, when would we get a notification to access the new version?

Generic-user-small
24 Jul 2013, 11:14
Stephen Trudel (1 post)

In the section, Chapter 1 - “Async Functions with Caching”, why not maintain the async behavior of the function intact as follows using setTimeout:

  function runCalculation(formula, callback) {   
    if (formula in calculationCache) {     
       return setTimeout(function() {           
         callback(calculationCache[formula]); 
       }, 0);  
    };  

instead of the function SOMETIMES being synchronous and other times its asynchronous. Perhaps its not the biggest deal but at least this is consistent.

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