Learn and practice

for in 和for of的区别

for in 和 for of 的区别 === 1. 遍历数组通常用 for 循环其实这几个方法之间的差异主要在属性是否可可枚举，是来自原型，还是实例。方法适用范围描述 for..in 数组，对象获取可枚举的实例和原型属性名 ...

Posted by Learning libs on December 18, 2019

English topics

English Topics Topic one: <font color=#900>Introduce your home</font> Part one: introducing where you live I live in a two-dedroom apartment. The bedrooms are quite small, but the...

Posted by Learning libs on December 18, 2019

Add emmet in notepad++

Emmet (前身为 Zen Coding) 是一个能大幅度提高前端开发效率的一个工具一、下载电脑环境：Windows 10 Enterprise, 64-bit Operating System Notepad++: Notepad++ 7.8 release (32-bit x86) Emmet: 下载地址 PythonScript: 下载地址 PluginManager...

Posted by Learning libs on October 18, 2019

Css Vertical Align

Verticle align demo 修改默认参数：最外框背景色：蓝色红色灰色绿色 ...

Posted by Learning libs on September 19, 2019

The Ivory Grin

The Ivory Grin I am a personal detective, one day a middle age women claimed named Una come to hire me to follow up her champion Lucy with high salary. and she let me report who Lucy has met and ca...

Posted by Learning libs on July 27, 2019

javascript goto top

origin https://codyhouse.co/demo/back-to-top/index.html reference stackoverflow util.js // Utility function function Util () {}; /* class manipulation functions */ Util.hasClass = function(el,...

Posted by Learning libs on April 30, 2019

Jekyll

Jekyll Jekyll is a simple, extendable, static site generator. You give it text written in your favorite markup language and it churns through layouts to create a static website. Throughout that...

Posted by Atom on April 29, 2019

Javascript

String 情景模式-参数为正数: slice()和substring()第二次参数指定的是字符串最后一个字符后面的位置; substr()第二个参数指定返回的字符串个数; var string = 'hello world'; console.log(string.slice(3)); //lo world console.log(string.subst...

Posted by Learning libs on April 26, 2019

Issues

Issues Come accross issues then solve them SQL SERVER Q1. ALTER TABLE DROP COLUMN failed because one or more objects access this column solved: ```sql server alter table CompanyTransactions d...

Posted by Atom on April 26, 2019