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An array of 10w records is rendered to the page at one time. How to deal with it without freezing the UI? Specification There is an empty unordered list node ul on the page, whose id is list-with-big-data. Now we need to insert 10w li into the list. The text content of each list item can be defined by ...

HTTP protocol features: Stateless, no correlation between multiple requests That is, the same user requests different pages of the same website, the server can not identify whether the request is initiated by the same user. Therefore, users cannot perform continuous business logic. For example: lo ...

Time Record: 2019-7-24 There are many subsystems in distributed systems, and data interaction between subsystems will be through remote procedure call ** (RPC)**. So what should we pay attention to in remote procedure call? In fact, the most important thing is the speed of transmission and use. The proc ...

This week, I wrote a simple vue by referring to some blog posts. There are many implementations of this kind on the internet. My realization is nothing new. I should be a self-practice. This article is also sent to me. github On the blog, welcome star Specific realization First of all, we have to have a Vue class. Of course, I wrote a very roug ...

Event subject Write a generic event listener function Describe event bubbling process For an infinite drop-down page loading images, how to bind events to each image Knowledge Points General Event Binding Event Bubbling Agent (i.e. principal, but also the application of event bubbles) //Ge ...

  Single-valued grammar: The value must be one <length> One <percentage> Or one of the keywords left, center, right, top, and bottom. Binary Grammar: A value must be one <length> One <percentage> Or one of the keywords left, center and right. The other values mu ...

First, what are class arrays? 1 Definition: JavaScript typed arrays are array-like objects and provide a mechanism for accessing raw binary data. 2 Specific manifestations: var arr = ['Hello', 'json', 'array'] var obj = { 0: 'Hello', 1: 'json', 2: 'array', ...

Links to the original text: http://www.cnblogs.com/XChWaad/p/3346875.html First, I write an XML in memory using xmlTextWriter. The method is as follows: private byte[] GetSendByte(List<Article> returnList) { // C ...

Similarities and differences between addEventListener() and attachEvent() Similarities: They are all methods of dom objects, which can bind multiple event handlers to an event. (2) Compared with the common DOM event processing element.event = fun(); when using attachEvent and addEventListener, multipl ...

Final Effect Chart Defining variables Define radius, ring thickness, center position, and default fill color let radius = 75 let thickness= 10 let innerRadius = radius - thickness let x = 75 let y = 75 var canvas = document.getElementById('tutorial'); var ctx = canvas.getContext('2d'); ctx.fillStyle = "#f2d7d7"; 2. Draw the first arc ctx.begin ...