JavaScript

Summarize:1. Long connection mechanism--distinguish Websocket,http2,sse:HTTP/2 introduced server Push technology to allow the server to proactively send data to the client cache. However, it does not allow data to be sent directly to the client

OverviewJavaScript Object-Oriented Programming Guide reading notes ①Here are just a few things I read about the JavaScript Object-oriented Programming guide. Those simple knowledge I did not record, I only record a few easy to omit or the wonderful

In JavaScript, it is very necessary to understand the scope of variables and the promotion of variables, especially for beginners, it is easy to inexplicably fall out of the pit.One, JavaScript scopeIn the C language, a pair of curly braces {}

ObjectEverything in JavaScript is an object, such as a string, a number, an array, a date, and so on, the object is the data that owns the property and method, and is the reference value. A property is an object-dependent value that can beAction to

The scale mentioned here is not the size of the browser, but rather the percentage scaling of the content of the browser's Web page (by pressing the CTRL and + keys or the scale of the-number key).There are ways to detect this scale, and QQ space is

If you want to become a web Front-end engineer, you must learn these six skills: web Front-end Web Front-end engineers have developed new careers in recent years, and they are also popular and high-paying jobs.In a market environment with high

Example of using native JS to enable synchronous playback of the lyrics of the webpage mobile music player: js music player I 've written a few times before, and I 've lost every four times. Today, I spent half a day taking a look at my ideas and

AngularJS Form Verification mobile phone number instance (not required), angularjs is required The Code is as follows: Tel: incorrect contact number format! Regular Expression: 1. null match: ^ $ 2. Matching mobile phone number: ^ (\ +

The applet obtains the mobile phone number Authorization User Login function, and the applet User Login There are many areas in the applet that use the registered user information. You need to enter the mobile phone number and so on. With this

Mini-program custom message prompt box, mini-program custom Mini-app custom message prompt box Requirement Description: The wx. showToast (OBJECT) interface is called, but the icon and image are not required. Even if the image is empty, a

Angular uses angular-cli to build a web front-end project. angularangular-cli Prerequisites: angular-cli environment has been set up, not yet set up please refer to the http://www.bkjia.com/article/114254.htm 1. Create a folder This folder is used

Use base64 to improve visual experience and base64 to improve Visual Effects Recently, I am working on a small project. After I finish writing the front-end code, I will test it on the mobile phone. It's okay, but the page loading and rendering

Bootstrap navigation and bootstrap navigation menuPrevious Navigation is no stranger to a front-end employee. It can be said that navigation is one of the important element components of a website, so that users can easily find the various

This article mainly introduces how to implement the js Snake Game and shares the source code of the Snake game. Interested friends can refer to the examples in this article to share the code of the js Snake game, for your reference, the specific

This article gives you a detailed description of the method and step for implementing multi-process using the cluster module in nodejs, which is very detailed and comprehensive. If you need it, you can refer First, solemnly declare: NodeJS is a

This article provides a summary of five methods to implement globally unique identifiers (UUID) using javascript. This method is comprehensive. If you need it, you can refer to the following global unique identifiers (GUID, globally Unique

I want to learn about the closure of javascript. The purpose of this article is to give you a comprehensive understanding of the closure of javascript. If you are interested, you can refer to it. What is JavaScript closure? After using JavaScript

Packets surround us. Although search engines and other applications prefer text-based representation of data, it is found that visualization is easier to understand. At the beginning of this year, SitePoint published Aurelio's article "Chart. js

Javascript: void (0) is often used in javascript. Do you know this is contained? In Javascript, void is an operator that specifies to calculate an expression but does not return a value, this article introduces the true meaning of javascript: void (0

This article describes how to implement the strtotime () and date () functions in php in js imitation. It involves related techniques related to javascript time operations and is of great practical value, for more information about how to use js to