Created
October 28, 2014 05:02
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JS шаблон итератор
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var agg = (function () { | |
var index = 0, | |
data = [1, 2, 3, 4, 5], | |
length = data.length; | |
return { | |
next:function () { | |
var element; | |
if (!this.hasNext()) { | |
return null; | |
} | |
element = data[index]; | |
index = index + 2; | |
return element; | |
}, | |
hasNext:function () { | |
return index < length; | |
}, | |
rewind:function () { | |
index = 0; | |
}, | |
current:function () { | |
return data[index]; | |
} | |
}; | |
}()); |
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