Tag:javascript

  • Preliminary Practice of Quality System Construction of Honeycomb Large Transportation Business

    Time:2019-8-24

    Quality is one of the key factors that determine the success of products and the sustainable development of enterprises. How to do a good job in the construction of quality system is a relatively large topic, covering a wide range, and there is no fixed measurement standard. When you open an Internet company recruitment website […]

  • Crawler crawls JSON HTML data

    Time:2019-8-24

    In the past two weeks, I have been busy climbing some data for the company, and the speed of writing has declined a little. I am expected to finish climbing today and sum up my experience. In fact, our company used to specialize in crawlers, so we don’t need to work on the front side. […]

  • Re-learning Front-end Learning Notes (24) — Link Elements in HTML

    Time:2019-8-24

    Note Notes The front-end of re-learning is a column run by Cheng Shaofi [former head of mobile phone Taobao front-end] in Geek time, 10 minutes a day, to reconstruct your front-end knowledge system. The author mainly collates some key notes and insights of the learning process, and can complete the column study of Winter [original […]

  • Talking about the usage of CSS calc () function

    Time:2019-8-24

    The calc () function of CSS3 allows us to perform mathematical operations in attribute values. For example, we can use calc () to specify a fixed pixel value of an element’s width as the sum of multiple values. .foo { width: calc(100px + 50px); } Why calc () If you have used CSS preprocessors, such […]

  • Arrangement of Knowledge Points in August 2018

    Time:2019-8-24

    * Note: This article is the collation of knowledge points contacted in the process of work. The price ratio of things involved is disorderly. If there are any mistakes, you are welcome to correct and guide them. First, the anchor link of the page Second, WebSocket Third, thermal renewal IV. Request Animation Frame Fifth, data […]

  • Vue2.0 Practical Notes

    Time:2019-8-24

    1. Transition and animation effect in Vue Single component (<transition name=”” mode=”> <p-if=”> </p> </transition>)V-enter, v-enter-to, v-enter-active, v-leave, v-leave-to, v-leave-active six states.(Defines the transition name and replaces the prefix V with the transition name)V-enter-activity and v-leave-activity reflect the main visible state, where the main effect can be added.V-enter is the initial state of transition and […]

  • Cracking Business Staff Data Encrypted Data and Transi-id

    Time:2019-8-24

    Recently, a friend said that the business consultant was also depressed by the encrypted data crawling classmates caused great pressure, and then I also studied the data encryption, and finally cracked it out. Business Staff Encryption 1. Request headertransit-idencryption Purpose: Request filtering When data requests are made at the front end, they are added to […]

  • Do you really know Angular one-way data stream?

    Time:2019-8-24

    Links to the original text:Do you really know what unidirectional data flow means in Angular For unidirectional data streams, you can also refer to this article, and there areyoutubeVideo analysis:Angular – What is Unidirectional Data Flow? Learn How the Angular Development Mode Works, why it’s important to use it and how to Troubleshoot it。 One-way data […]

  • Brief description of Vue project deployment

    Time:2019-8-24

    Now vue-cli is the framework that front-end engineers must meet (not one of them). Many front-end engineers will only develop Vue projects, but will not deploy them. Because most of the deployment work of company projects is handed over to their superiors or project managers, the knowledge about deployment may not be well understood by […]

  • Canvas Draws Dynamic Progress Bar Ring

    Time:2019-8-24

    Final effect Definition of initial variables Let radius = 140 // outer ring radius Let thickness = 20 // ring thickness Let innerRadius = radius – thickness // inner ring radius Let start Angle = 90 // start angle Let endAngle = 180// End Angle Let x = 0 // center x coordinates Let y […]

  • Summary of Vue.js SSR Contents

    Time:2019-8-24

    This article is just a summary of official SSR documents of Vue.js and personal learning of official Hacker News demo. Please forgive me for not being complete enough. This paper mainly analyses and summarizes the contents of Vue.js SSR from the following aspects Reasons for SSR Overall Principle of Vue.js SSR Data Prefetching in SSR […]

  • Write the correct posture of chameleon cross-end components (second part)

    Time:2019-8-24

    In the chameleon project, there are two ways to implement a cross-end component: using third-party component encapsulation and unified implementation based on chameleon grammar.In “Writing the Correct Posture of Chameleon Cross-End Components (Part I)”, we introduced how to encapsulate cross-end components using third-party libraries, but most components do not need to be implemented differently. In […]