♫【异步】短小强悍的JavaScript异步调用库

var queue = function(funcs, scope) {
(function next() {
if(funcs.length > 0) {
funcs.shift().apply(scope || {}, [next].concat(Array.prototype.slice.call(arguments, 0)))
}
})()
}

var obj = {
value: null
}

queue([
function(callback) {
var self = this
setTimeout(function() {
self.value = 10
callback(20)
}, 200)
},
function(callback, add) {
console.log(this.value + add)
callback()
},
function() {
console.log(obj.value)
}
], obj)