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  • html5 Canvas drawing tutorial (1)—Basic knowledge of drawing

    html5 Canvas drawing tutorial (1)—Basic knowledge of drawing

    Comment: Canvas means canvas. The Canvas in Html5 is really very similar to the canvas in real life. Therefore, treating it as a real canvas can speed up understanding; if you want to learn Canvas drawing, you must have a Javascript foundation. I won’t sa
    2025-04-19
  • Delete the key in the middle of Javascript Object

    Delete the key in the middle of Javascript Object

    This is not true either. Go home and farm. You can copy the code as follows: delete thisIsObject[key]ordelete thisIsObject.key By the way, let's talk about the usage of delete a few weeks ago. I had a chance to read Stoyan Stefanov's
    2025-04-19
  • Example of simple web crawling function implemented by Node.js

    Example of simple web crawling function implemented by Node.js

    Today, web crawling is a well-known technology, but there are still many complexities. Simple web crawlers are still difficult to compete with modern websites developed by various complex technologies such as Ajax training, XMLHttpRequest, WebSockets, Fla
    2025-04-19
  • Collection of common usages of HTML meta tags

    Collection of common usages of HTML meta tags

    What is a mata tag<meta> Elements can provide meta-information about the page, such as descriptions and keywords for search engines and update frequency.<meta> The tag is located at the head of the document and contains nothing.<meta> The attributes of th
    2025-04-19
  • HTML5 realizes classic tank wars and tanks can even fire a bullet

    HTML5 realizes classic tank wars and tanks can even fire a bullet

    Comment: In the previous article, I introduced how to use HTML5 to implement a mobile small tank. In this article, I will lead you into the tank war. Friends who like HTML5 should not miss it.<pre> tank.html</pre><pre><!DOCTYPE html><html> <h
    2025-04-19
  • Share a simple chat room function implemented by nodejs

    Share a simple chat room function implemented by nodejs

    Today I will implement a simple chat room, using nodejs in the background, and socket.io in the client and server communication. This is a relatively mature websocket framework. Initial work 1. Install express, use this to host socket.io, as well as stati
    2025-04-19
  • HTML5 instance tutorial: web page release date pubdate tag

    HTML5 instance tutorial: web page release date pubdate tag

    Article introduction of Wulin.com (www.vevb.com): The pudate attribute is an optional, boolean value attribute. It can be used on the time element in the article element. It represents the release date of the article or the entire web page. The specific u
    2025-04-19
  • js onmousewheel event triggers problem solution multiple times

    js onmousewheel event triggers problem solution multiple times

    I wanted to make a scrolling mouse wheel between the first and second screens to level the switching effect. I encountered many problems. Later, with the help of kk, I finally solved this problem. I was very happy, so I recorded: My initial code was like
    2025-04-19
  • HTML form form tag usage tutorial

    HTML form form tag usage tutorial

    Forms in HTML can be used to collect various types of input information for users. A form is actually an area containing form elements, in which the input information of various elements will eventually be submitted to the program script through the form.
    2025-04-19
  • HTML5 new event summary

    HTML5 new event summary

    Comment: HTML elements can have event attributes that trigger behavior in the browser, such as starting a JavaScript when a user clicks an HTML element. The event properties listed below can be inserted into HTML tags to define event behavior. Between HTM
    2025-04-19
  • 【HTML Element】Implementation method of embedding images

    【HTML Element】Implementation method of embedding images

    The img element allows us to embed images in HTML documents. To embed an image, you need to use the src and alt attributes, the code is as follows:
    2025-04-19
  • A payment page DEMO attached to screenshots

    A payment page DEMO attached to screenshots

    The code is as follows:
    2025-04-19
  • Example of the TextRange object application that handles text part content

    Example of the TextRange object application that handles text part content

    Because the user requests to associate with the TextRange object, an object used to process the text part of the JavaScript object. TextRange is an object used to express Chinese characters in HTML elements. Although we don't use this object very ofte
    2025-04-19
  • HTML5 instance tutorial: Canvas tag drawing rectangle instance code

    HTML5 instance tutorial: Canvas tag drawing rectangle instance code

    Article introduction of Wulin.com (www.vevb.com): html5-canvas tag-drawing rectangles.<!DOCTYPE html><html><head><meta charset='utf-8'><title> html5-canvas tag--draw rectangle
    2025-04-19
  • Use cluster to expand your Node server to multithreaded server

    Use cluster to expand your Node server to multithreaded server

    Friends who use nodejs all know that node is single-threaded, which means that when running on an 8-core CPU, you can only use one core's computing power. Single threading has always been a criticism of nodes, but with the introduction of cluster in v
    2025-04-19
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