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async.eachSeries()
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var async = require('async'); | |
var arr = [1,2,3,4]; | |
async.eachSeries(arr,function(item, cb){ | |
setTimeout(function() { | |
console.log('#1: ', item); | |
return cb(); | |
}, Math.random()*2000); | |
}, function(err){ | |
console.log('#1 Final call ', err); | |
}); | |
console.log('#1 should print first'); | |
async.eachSeries(arr,function(item, cb){ | |
setTimeout(function() { | |
console.log('#2: ', item); | |
return cb(); | |
}, Math.random()*2000); | |
}, function(err){ | |
console.log('#2 Final call ', err); | |
}); | |
console.log('#2 should print second'); | |
/* | |
Example output: | |
#1 should print first | |
#2 should print second | |
#2: 1 | |
#1: 1 | |
#1: 2 | |
#2: 2 | |
#1: 3 | |
#1: 4 | |
#1 Final call undefined | |
#2: 3 | |
#2: 4 | |
#2 Final call undefined | |
*/ |
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