R Introduction
R的Introduction
JS Sizes and Scrolling
❤ 4 JS.
BROWSER 对象
Window
Open
open() 方法用于打开一个新的浏览器窗口或查找一个已命名的窗口。
1window.open(URL,name,specs,replace)
参数
说明
URL
可选。打开指定的页面的URL。如果没有指定URL,打开一个新的空白窗口
name
可选。指定target属性或窗口的名称。支持以下值:_blank - 默认,URL加载到一个新的窗口, 即 ...
JavaScript Array
Zodiac Example
我们来举一个星座的例子:
12345678let zodiac =['Capricorn', 'Aquarius', 'Pisces', 'Aries', 'Taurus', 'Gemini', 'Cancer', 'Leo', 'Virgo', 'Libra', 'Scorpio', 'Sagittarius','Capricorn']zodiac.indexOf ...
JQery
jQuery概述
Write Less Do More(用更少的代码来完成更多的工作)
使用CSS选择器来查找元素(更简单更方便)
使用jQuery方法来操作元素(解决浏览器兼容性问题、应用于所有元素并施加多个方法)
1234<script> window.jQuery || document.write('<script src="https://c ...
Object-oriented(OOJS)
To start with, let’s give you a simplistic, high-level view of what Object-oriented programming (OOP) is. The basic idea of OOP is that we use objects to model real world things that we want to repres ...
JavaScript Forms validation
What is form validation?
Go to any popular site with a registration form, and you will notice that they give you feedback when you don’t enter your data in the format they are expecting. You’ll get m ...
JavaScript Strings
Character encoding
Unicode
rgb(48,65,97)
当字符以 UTF-16 的格式储存时,每个字符固定为2个字节。
此表示法仅限于代码范围在\ u0000 ~~ \ uFFFF之间的字符, 对于那些需要4个字节储存的字符(Unicode 码点大于0xFFFF的字符),JavaScript 会认为它们是两个字符。
This notation is limited t ...
JS asynchronous programming - Promise Async Await
Important concepts relating to asynchronous programming.
Python Web Crawler Pt.6 - Requests & PyQuery
Requests库以及PyQuery的基本使用. Behold, the power of Requests
Python - Databases
This article shows you how to do common tasks for Python databases.
Python Web Crawler Vol.4 - Xpath & PyQuery
Requests库以及PyQuery的基本使用. Behold, the power of Requests
Python Web Crawler 2 - Urllib
Usage for python built-in urlib.
Python Web Crawler Pt.3 - Beautiful Soup
Introduction and simple usage for Python Beautiful Soup4
Python Web Crawler Vol.1 - How to Install
In this article, we’ll look at how to add the crawler packages to your PC and do some tests.
Python pip & env
pip、env、packages相关
JupyterLab notebook
木星笔记本的笔记
HTML Video and audio content
This article will introduce you how to embed video and audio content into a webpage, and add captions/subtitles to video.













