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var insertElement = function(data, callback) { | |
var timeout = Math.ceil(Math.random() * 3000); | |
//console.log('timeout: ' + timeout.toString()); | |
setTimeout(function() { | |
callback(null, data); | |
}, timeout); | |
}; | |
var insertAll = function(coll, callback) { | |
// duplicate the array | |
var queue = coll.slice(0), | |
elem; | |
(function iterate() { | |
if(queue.length === 0) { | |
callback(); | |
return; | |
} | |
elem = queue.splice(0, 1)[0]; | |
})(); | |
}; | |
var coll = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; | |
insertAll(coll, function() { | |
console.log('END ?'); | |
}); |
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