11 2019 档案
摘要：var num = 20; var obj = { num: 30, fn: (function(num){ this.num *= 3; num += 15; var num = 45; return function(){ this.num *= 4; num += 20; console.log(num); } })(num) } var fn = obj.fn; fn(); obj.fn(
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摘要：Snandy If you cannot hear the sound of the genuine in you, you will all of your life spend your days on the ends of strings that somebody else pulls.
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摘要：1. 安装ruby 1.1 下载地址 "ruby官网" https://rubyinstaller.org/downloads/ RubyInstaller是一个在Windows下的安装程序，用来安装Ruby语言的开发工具和运行环境支持。同时还包含帮助文档等。 1.2 更改源下载地址 更改为国内源下
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