Sign up for a GitHub account Sign in All Gists lykkin / gist:9c5e50424d5156e6cedc Created January 08, 2015 Code Revisions 1 /.sunken-menu-group /.sunken-menu-contents Embed HTTPS SSH You can clone with HTTPS or SSH . Download Gist /.only-with-full-nav slooooooow View gist:9c5e50424d5156e6cedc gistfile1.js Raw File suppressed. Click to show. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 asyncMap = function ( fn , list , callback ){ var counter = 0 ; var result = list. slice (); list.forEach( function ( elem , index ){ setTimeout ( function (){ if ( ++ counter === result. length ){ callback(result); } result[index] = fn(elem); }, 0 ) }); } syncMap = function ( fn ...