• Learn Python quickly and take a shortcut~


    Hello, I’m a side dish.A hope can becomeTalking about architecture with ox xMy man! If you want to be the person I want to be, or pay attention and be a partner, so that the dishes are no longer lonely! This paper mainly introducesSelenium If necessary, refer to If it helps, don’t forgetgive the thumbs-up […]

  • JQuery simple summary


    preface Some time ago, I had been refactoring old projects and found many problems. The library used in the system is jQuery, which is mainly used for convenience. Other colleagues, including some outsourcing colleagues, are also familiar with this library. Here is a brief summary of some common problems combined with the information found. Why […]

  • [actual combat] version 1.20 update and new components


    Lao Meng Guide: fluent 1.20 updates the styles of slider, rangeslider, date selector component and time selector component, and adds an exchange component: interactive viewer. Its usage is described in detail below. slider Flutter version 1.20 willSliderandRangeSliderThe widget is updated to the latest material guidelines. The new slider is designed for better accessibility: the track […]

  • Understanding jQuery and jQuery selectors


    Record what you should pay attention to at ordinary times. If you see any mistakes, please correct them Know jquery JQuery object and DOM object var domObj = document. Getelementbyid (“Id”) // DOM object Var $obj = $(“#id”) // jQuery object DOM objects cannot be used in jQuery objects Conversion of jQuery object and DOM […]

  • Front end – HTML and CSS Basics


    HTML (web page) Some basic concepts in the web domain. WEB The web (World Wide Web) is called the global wide area network, commonly known as the world wide web (WWW). W3C W3C (World Wide Web Consortium), called the World Wide Web Consortium, is the most famous international standardization organization, which has formulated web standards. […]

  • Wechat applet project, developed with taro + react hook


    brief introduction The wechat applet project is developed using taro + react hook. The simple version of editing pictures is realized through canvas. In addition, a color selector is encapsulated with reference to the colorpicker component of element UI.In case of any inconsistency between wechat developer tools and the real machine, the real machine shall […]

  • Priority and weight of CSS3 selector


    Selector weights and priorities priority Function: when multiple selectors select the same label and set the same attributes for the same label, how to stack is determined by priority Three methods of priority judgment – indirect selection means inheritanceIf it is selected indirectly, it means that whoever is close to the target tag will listen […]

  • Three features of CSS


    1. Inheritance effect:Set some attributes for the parent element, and the child element can also be used. This is called inheritance * * Note:** ​ 1. Not all attributes can be inherited. Only attributes starting with color / font – / text – / line – can be inherited ​ 2. In CSS inheritance, not […]

  • JQuery Basics


    JQuery introduction JQuery is a JavaScript library. It is a shallow encapsulation of ecmscript, DOM, BOM and, making it easier for users to operate.Understood as a large function, the function encapsulates many functions for you to use. Digression:The teacher said that now many large companies don’t use jQuery for development, but some companies still use […]

  • Summarize the commonly used nth child selectors


    preface In front-end programming, we often use the nth child selector, which can accept both numeric values and odd, even, etc. today, I remembered that it can also accept an expression, such as 4N + 1, – 2n + 1, etc. What are their specific uses? What are the applicable scenarios? Maybe you are not […]

  • Great! Recommend a web automation artifact – automa!


    1. Preface Hello, I’m Ango! Many excellent web automation tools have been recommended before, such as selenium, helium, cypress, pyppeeer, etc The premise of using them to realize automation is to install dependencies, download browser drivers, and master a certain coding basis Is there a tool for zero basic coding and low code that can […]

  • Using the pseudo class selector in CSS3 to realize the effect of Tai Chi diagram


    Overall effectThe complete code is as follows: <html lang=”en”> <head> <meta charset=”UTF-8″> <title>Document</title> <style> * { margin: 0; padding: 0; } body { background-color: skyblue; } div { width: 200px; height: 400px; background-color: #fff; border-left: 200px solid #000; margin: 50px auto; border-radius: 50%; transition: all .6s ease-in-out; -webkit-transition: all .6s ease-in-out; -moz-transition: all .6s ease-in-out; […]