Programming VIP

Preface Last time we mentioned that in the case of a child component, the parent component generates an instance of the child component after the created hook function is executed, the child component executes the created hook function, and checks if there are also child components, or repeats the steps of the parent component, otherwise the ch ...

In the development of web applications, performance is an indispensable topic. For web packaged single page applications, there are many ways to optimize performance, such as tree-shaking, module lazy loading, and using extrens network cdn to accelerate these conventional optimization. Even in the vue-cli project, we can use the -- modern instr ...

Multi-Media 1. Audio playback: use of audio tags: a) Attributes: autoplay If this property appears, the audio is played as soon as it is ready. controls If this property appears, the control, such as a play button, is displayed to the user. loop If this property appears, restart play whenever the audio ends. preload If this prop ...

This is a simple click preview componentBy the way, record scope pits in vue stepped on during component writing~ Start with registering global components! Project catalogue: Imitate elementUI directory structure, directory name is component name, SRC is component source file (or js service file), there is also an index.js in the file director ...

Preface Recently, I used my spare time to read Daika's "React Books", which benefits a lot from explaining React, Redux, etc. from the basic principles.It's better to write it once in a thousand times than to follow the author's thoughts and reference code to implement the basic Demo. Here's a Redux architecture from scratch using na ...

Reprinted from: http://blog.csdn.net/qq_27918787/article/details/52541102 One.bind() How to use it: $(selector).bind(event,data,function) event: Requirements; one or more events added to an element, such as click,dblclick, etc. Single event processing: e.g. $(selector).bind("click",data,function); Multi-event process ...

Original Link: https://segmentfault.com/a/1190000007238999 Early routes were implemented on the back end, reload ing pages based on url caused great pressure on the back end as the page became more and more complex. In order to alleviate background pressure and front end user experience, the method of partial refresh of ...

I. Throttle function 1. Use scenarios DOM.onclick() event, we bind a click event to a DOM node, trigger the execution of the event function when clicking on the element, but when we click on the element frequently, it will continue to trigger the click event. If the event function triggered by the click event is DOM element, it will cause high ...

Every time selenium starts chrome browser, Chrome browser is clean, no plug-ins, no collection, no history. This is because selenium starts a naked browser to ensure the fastest running efficiency when starting chrome. That's why it needs to configure parameters, but sometimes we need more than a naked browser. The selenium startup configuratio ...

At the end of the last blog, it was said that the port number of the whole network proxy IP was confused by encryption, and this blog will tell you how to crack it! If you find it useful, you might as well make a recommendation.~   1. JS confusion of whole network proxy IP First entry Network-wide proxy IP Open the developer's tool and click ...