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Asynchronous JavaScript
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Lean Machine
September 04, 2013
Programming
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Asynchronous JavaScript
Lean Machine
September 04, 2013
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Transcript
Asynchronous JavaScript An out of order presentation leanmachine.se ▪
[email protected]
▪ 2013-09-06
printRandoms(4); // 0.2452 // 0.4489 // 0.7811 // 0.8222 //
done
readUrls([ 'http://api.twitter.com/user/jakobmattsson', 'http://api.twitter.com/user/jakobmattsson/tweets', 'http://api.twitter.com/user/jakobmattsson/list/conferences' ]);
var printRandoms = function(n) { var randoms = [];
for ( var i=0; i<n; i++ ) { randoms.push(Math.random()); } asyncForEach(randoms, function(rand, callback) { setTimeout(function() { console.log(".. " + rand); callback(); }, rand * 1000); }, function() { console.log("done"); }); };
Bonus asyncForEachSeries asyncForEachLimit parallel asyncMap asyncFilter asyncReduce
leanmachine.se ▪
[email protected]
▪ 2013-09-06