《理解 JavaScript 闭包》的评论 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html 为之漫笔（李松峰），本博客专注于Web前后端技术、移动平台开发技术、交互设计和技术翻译。声明一下，因为时常需要外出审稿，而且基本不带笔记本，所以有时可能会迟一点回复大家的留言。 Thu, 09 Feb 2012 12:56:21 +0000 hourly 1 http://wordpress.org/?v=3.2.1 christian louboutin sale http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-3#comment-8073 christian louboutin sale Mon, 06 Feb 2012 04:19:24 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-8073 The article is wonderful, thanks for sharing it . The article is wonderful, thanks for sharing it .

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]]> 瞬间的永恒 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7792 瞬间的永恒 Fri, 09 Dec 2011 18:01:38 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7792 看了一下书结合一下这篇文章，对javascript闭包有了一定的了解啦 看了一下书结合一下这篇文章，对javascript闭包有了一定的了解啦

]]> north face outlet http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7768 north face outlet Wed, 07 Dec 2011 11:20:17 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7768 有点乱。 看不太懂。 有点乱。 看不太懂。

]]> burberry scarf http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7767 burberry scarf Wed, 07 Dec 2011 11:18:49 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7767 谢谢分享啊。 兄弟。 谢谢分享啊。 兄弟。

]]> wholesale new era cap http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7753 wholesale new era cap Wed, 07 Dec 2011 07:15:07 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7753 http://www.newerahatfactory.com/ 很好啊！ http://www.newerahatfactory.com/

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]]> effaceking http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7752 effaceking Wed, 07 Dec 2011 06:10:03 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7752 function createFunctions() { var result = new Array(); for (var i = 0; i < 10; i++) { result[i] = outer(i); } return result; } var funcs = createFunctions(); for (var i = 0; i < funcs.length; i++) { document.write(funcs[i]() + ""); } function outer(i) { function inner() { return i; } return inner; } 这个应该能达到你想要的效果，运用的是闭包~ function createFunctions() {
var result = new Array();
for (var i = 0; i < 10; i++) {
result[i] = outer(i);
}
return result;
}
var funcs = createFunctions();
for (var i = 0; i < funcs.length; i++) {
document.write(funcs[i]() + "");
}
function outer(i) {
function inner() {
return i;
}
return inner;
}
这个应该能达到你想要的效果，运用的是闭包~

]]> effaceking http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7751 effaceking Wed, 07 Dec 2011 03:24:07 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7751 最后那个定义好像是闭包，不好意思，我对闭包概念也不是很清楚~ 最后那个定义好像是闭包，不好意思，我对闭包概念也不是很清楚~

]]> effaceking http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7750 effaceking Wed, 07 Dec 2011 03:21:51 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7750 你疑惑的这段代码result[i] = function(){ return i; }; 这只是一个定义，就好像你定义一个变量 var hi=function(){ alert("hi")};它也不会运行，只有当你调用才会执行，hi();此时才会弹出消息框。而输出的都是10，我觉得应该是可以这么理解的，你在定义一个变量 var funcs = createFunctions(); 此时运行环境里应该是存在i这个局部变量，而赋值10次，根据javascript的编译情况，它指挥保存最后一次定义i=10，所以当你执行result[i]()，输出都是为0. 关于你把这句result[i] = function(){ return i; };改成 result[i]=function(){return i;}();此时该函数体会执行所以会返回正确的值。这个好像不关乎闭包~ 你疑惑的这段代码result[i] = function(){
return i;
}; 这只是一个定义，就好像你定义一个变量 var hi=function(){ alert(“hi”)};它也不会运行，只有当你调用才会执行，hi();此时才会弹出消息框。而输出的都是10，我觉得应该是可以这么理解的，你在定义一个变量 var funcs = createFunctions(); 此时运行环境里应该是存在i这个局部变量，而赋值10次，根据javascript的编译情况，它指挥保存最后一次定义i=10，所以当你执行result[i]()，输出都是为0.

关于你把这句result[i] = function(){
return i;
};改成 result[i]=function(){return i;}();此时该函数体会执行所以会返回正确的值。这个好像不关乎闭包~

]]> superman http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7583 superman Wed, 16 Nov 2011 04:55:05 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7583 哥们，你的文章排版敢再乱一点么...看得晕 哥们，你的文章排版敢再乱一点么…看得晕

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]]> Ugg Boots http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7471 Ugg Boots Mon, 07 Nov 2011 07:55:21 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7471 Thank you for your articles Thank you for your articles

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]]> welpher.yu http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7370 welpher.yu Mon, 31 Oct 2011 05:52:52 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7370 闭包真的是很让人说不清楚的 闭包真的是很让人说不清楚的

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]]> Cheap ugg boots http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7337 Cheap ugg boots Thu, 27 Oct 2011 03:40:39 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7337 Hi! Awesome topic, however, your web page ceases to monitor with FF4 experiment with. May an individual's machine stop your Ip? Thank you so much. Hi! Awesome topic, however, your web page ceases to monitor with FF4 experiment with. May an individual’s machine stop your Ip? Thank you so much.

]]> 小畅 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7295 小畅 Sun, 23 Oct 2011 03:28:20 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7295 请问这句话怎样理解“如果一个外围函数存储了两个嵌入函数的全局引用，这两个嵌入函数共享同一个调用对象，并且，一个函数的一次调用所作出的改变对另外一个函数的调用来说也是可见的。” 请问这句话怎样理解“如果一个外围函数存储了两个嵌入函数的全局引用，这两个嵌入函数共享同一个调用对象，并且，一个函数的一次调用所作出的改变对另外一个函数的调用来说也是可见的。”

]]> fake oakleys http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-7099 fake oakleys Thu, 29 Sep 2011 01:56:11 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-7099 In recent days, the sun is shining brightly scene at midday, put on a pair of sunglasses, not only can keep out the sun, and can add a quiet charm. In recent days, the sun is shining brightly scene at midday, put on a pair of sunglasses, not only can keep out the sun, and can add a quiet charm.

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]]> chaos faction http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-6681 chaos faction Thu, 15 Sep 2011 18:29:59 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-6681 I consider something really special in this website. I consider something really special in this website.

]]> Cell Phone Accessories http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-6422 Cell Phone Accessories Thu, 15 Sep 2011 16:27:42 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-6422 Long but an awesome article man. Thanks for sharing! However I'm experiencing issue with your rss . Dont know why Fail to subscribe to it. So anyone having similar RSS feed trouble? Anybody who can help please respond. Thanks! Long but an awesome article man. Thanks for sharing! However I’m experiencing issue with your rss . Dont know why Fail to subscribe to it. So anyone having similar RSS feed trouble? Anybody who can help please respond. Thanks!

]]> 小呆 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-4453 小呆 Fri, 29 Jul 2011 03:29:43 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-4453 @IT小菜 这个代码你把 alert( "Thanks for your " + item ); 这句的 item 换成 i ，就很容易理解了。 或者 你把 item换成 items[i] 然后看到 Thanks for your undifined ，就更容易理解了 我也研究了半天，加油 @IT小菜
这个代码你把
alert( “Thanks for your ” + item );
这句的 item 换成 i ，就很容易理解了。
或者 你把 item换成 items[i]
然后看到 Thanks for your undifined ，就更容易理解了
我也研究了半天，加油

]]> Blah～blah～～ » 高性能Javascript【二】数据访问 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-4451 Blah～blah～～ » 高性能Javascript【二】数据访问 Thu, 28 Jul 2011 08:01:26 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-4451 [...] 理解 JavaScript 闭包：http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html [...] [...] 理解 JavaScript 闭包：http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html [...]

]]> yyui » 理解 JavaScript 闭包 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-3727 yyui » 理解 JavaScript 闭包 Thu, 12 May 2011 06:16:49 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-3727 [...] Lasse Reichstein Nielsen. (definition of closure) [...] [...] Lasse Reichstein Nielsen. (definition of closure) [...]

]]> yyui » javascript对象属性名解析 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-3726 yyui » javascript对象属性名解析 Thu, 12 May 2011 06:08:21 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-3726 [...] 转载自：http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html prototype, 原型链 Address: http://www.yyui.info/?p=50 « 移动平台HTML5动画性能大赛精华评论 理解 JavaScript 闭包 » Trackbackno comment untill now [...] [...] 转载自：http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html prototype, 原型链 Address: http://www.yyui.info/?p=50 « 移动平台HTML5动画性能大赛精华评论 理解 JavaScript 闭包 » Trackbackno comment untill now [...]

]]> yyui » 利用闭包包装相关的功能 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-3725 yyui » 利用闭包包装相关的功能 Thu, 12 May 2011 06:07:16 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-3725 [...] 转载自：http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html [...] [...] 转载自：http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html [...]

]]> yyui » javascript标识符解析、执行环境和作用域链 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-3724 yyui » javascript标识符解析、执行环境和作用域链 Thu, 12 May 2011 06:05:02 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-3724 [...] 转载自：http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html [...] [...] 转载自：http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html [...]

]]> 小小白的博客 » Blog Archive » 前端必须脱口而出的point http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html/comment-page-2#comment-3600 小小白的博客 » Blog Archive » 前端必须脱口而出的point Mon, 14 Mar 2011 08:30:27 +0000 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html#comment-3600 [...] 这两篇文章讲的比较细致 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html http://hi.baidu.com/guodong828/blog/item/f4daf111c0026bc8a6ef3f66.html 3、js的继承的方式 [...] [...] 这两篇文章讲的比较细致 http://www.cn-cuckoo.com/2007/08/01/understand-javascript-closures-72.html http://hi.baidu.com/guodong828/blog/item/f4daf111c0026bc8a6ef3f66.html 3、js的继承的方式 [...]

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