也做了一下老赵的 javascript iterator 题目

看到这个题目：

http://blog.zhaojie.me/2010/06/code-for-fun-iterator-generator-yield-in-javascript.html

 

我也做了一个答案如下：

 

 

function range(minInclusive, maxExclusive) {
	this.next = function(){
		return (minInclusive < maxExclusive - 1)? 
			new range(minInclusive + 1, maxExclusive)
			: null;
	};

	this.value = minInclusive;

	return this;
}

for (var iter = range(0, 10); iter; iter = iter.next()) {
    document.write(iter.value + "<br />");
}