<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Small_White_0的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Small_White_0</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Small_White_0]]></copyright><item><title><![CDATA[yarn 离线依赖缓存包的制作与使用]]></title><link>https://blog.youkuaiyun.com/Small_White_0/article/details/126521340</link><guid>https://blog.youkuaiyun.com/Small_White_0/article/details/126521340</guid><author>Small_White_0</author><pubDate>Thu, 25 Aug 2022 11:44:46 +0800</pubDate><description><![CDATA[yarn 离线依赖缓存包的制作]]></description><category></category></item><item><title><![CDATA[React Context(上下文) 作用和使用]]></title><link>https://blog.youkuaiyun.com/Small_White_0/article/details/126521304</link><guid>https://blog.youkuaiyun.com/Small_White_0/article/details/126521304</guid><author>Small_White_0</author><pubDate>Thu, 25 Aug 2022 11:38:49 +0800</pubDate><description><![CDATA[React Context(上下文) 作用和使用]]></description><category></category></item><item><title><![CDATA[call、apply、bind原理]]></title><link>https://blog.youkuaiyun.com/Small_White_0/article/details/126521284</link><guid>https://blog.youkuaiyun.com/Small_White_0/article/details/126521284</guid><author>Small_White_0</author><pubDate>Thu, 25 Aug 2022 11:38:19 +0800</pubDate><description><![CDATA[call、apply、bind原理]]></description><category></category></item><item><title><![CDATA[赋值、浅拷贝与深拷贝]]></title><link>https://blog.youkuaiyun.com/Small_White_0/article/details/126521266</link><guid>https://blog.youkuaiyun.com/Small_White_0/article/details/126521266</guid><author>Small_White_0</author><pubDate>Thu, 25 Aug 2022 11:37:57 +0800</pubDate><description><![CDATA[赋值、浅拷贝与深拷贝]]></description><category></category></item><item><title><![CDATA[EventLoop机制]]></title><link>https://blog.youkuaiyun.com/Small_White_0/article/details/126521252</link><guid>https://blog.youkuaiyun.com/Small_White_0/article/details/126521252</guid><author>Small_White_0</author><pubDate>Thu, 25 Aug 2022 11:37:04 +0800</pubDate><description><![CDATA[EventLoop机制]]></description><category></category></item><item><title><![CDATA[变量提升处理机制]]></title><link>https://blog.youkuaiyun.com/Small_White_0/article/details/126521223</link><guid>https://blog.youkuaiyun.com/Small_White_0/article/details/126521223</guid><author>Small_White_0</author><pubDate>Thu, 25 Aug 2022 11:36:20 +0800</pubDate><description><![CDATA[变量提升处理机制]]></description><category></category></item><item><title><![CDATA[css、sass、less模块化的意义]]></title><link>https://blog.youkuaiyun.com/Small_White_0/article/details/126521174</link><guid>https://blog.youkuaiyun.com/Small_White_0/article/details/126521174</guid><author>Small_White_0</author><pubDate>Thu, 25 Aug 2022 11:35:26 +0800</pubDate><description><![CDATA[css模块化的意义]]></description><category></category></item><item><title><![CDATA[useEffect]]></title><link>https://blog.youkuaiyun.com/Small_White_0/article/details/126519430</link><guid>https://blog.youkuaiyun.com/Small_White_0/article/details/126519430</guid><author>Small_White_0</author><pubDate>Thu, 25 Aug 2022 11:31:30 +0800</pubDate><description><![CDATA[useEffect]]></description><category></category></item><item><title><![CDATA[fofEach和map函数]]></title><link>https://blog.youkuaiyun.com/Small_White_0/article/details/126521052</link><guid>https://blog.youkuaiyun.com/Small_White_0/article/details/126521052</guid><author>Small_White_0</author><pubDate>Thu, 25 Aug 2022 11:30:07 +0800</pubDate><description><![CDATA[forEach和map]]></description><category></category></item><item><title><![CDATA[函数具名化]]></title><link>https://blog.youkuaiyun.com/Small_White_0/article/details/112998628</link><guid>https://blog.youkuaiyun.com/Small_White_0/article/details/112998628</guid><author>Small_White_0</author><pubDate>Fri, 22 Jan 2021 19:27:46 +0800</pubDate><description><![CDATA[经典面试题，函数具名化
下面的代码打印什么内容，为什么？
var b=10;
(function b() {
b = 20;
console.log(b);
})();
console.log(b);
最后输出的答案是

因为函数具名化引起的

匿名函数具名化

只能在函数内部使用「例如：递归」
如果函数内部，这个名字没有被使用其他方式声明过，那么此名字存储的是当前函数「且值不能被修改」   +
但是具名化的优先级最低「一但函数内部基于其他方式声明过这个变量，则按照私有变量处理」


所以第一个consol]]></description><category></category></item></channel></rss>