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  • Detailed explanation of how to change usage by marking documents with INS and DEL

    Detailed explanation of how to change usage by marking documents with INS and DEL

    Ins and del were introduced in HTML 4.0, which can help creators cooperate with each other when developing documents, and also maintain some editing (for example, it can reflect that the creator modified the document for a period of time and how he though
    2025-05-28
  • Javascript basic tutorial for loop

    Javascript basic tutorial for loop

    The js for loop can execute a code block as specified number of times. JavaScript Loop We can output the values ​​of the array like this: if you want to run the same code over and over, and the values ​​are different each time, it is convenient to use the
    2025-05-28
  • JavaScript implements password strength display

    JavaScript implements password strength display

    The password strength display and Chinese strength display copy code code is as follows:<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head>
    2025-05-28
  • js determines whether a method has instance code

    js determines whether a method has instance code

    This article example tells the code for js to determine whether a method exists. Share it for your reference. The specific code is as follows: Copy the code as follows:<html><head><title> JS determines whether a method exists</title>
    2025-05-28
  • Example of JavaScript arguments

    Example of JavaScript arguments

    The code copy is as follows: <script Language="JavaScript">//第一个参数值. function test(a,b,c,d){ alert(arguments[0]); } //arguments[0]实际上就是a,同理,
    2025-05-28
  • HTML5 web page creation example: Let IE8 support footer tag

    HTML5 web page creation example: Let IE8 support footer tag

    Article introduction of Wulin.com (www.vevb.com): How to let browsers below ie9 know your html5 tag name. Because our website does not need to be compatible with ie6 and 7, I used the footer tag on the website. It turned out that ie9 supports this tag, bu
    2025-05-28
  • JavaScript callback function to judge the end of css3 animation

    JavaScript callback function to judge the end of css3 animation

    In the era of css3, css3--animation is possible; traditional js can determine whether the animation ends through callback functions; even if CSS technology is used to generate animation effects, JavaScript can still capture the end events of animation or
    2025-05-28
  • How to reduce browser reflow and repaint

    How to reduce browser reflow and repaint

    1. Avoid frequent DOM operations directly on the document. If you really need it, you can use off-document method. The specific methods include but do not completely include the following: (1). First delete the element from the document, and then put the
    2025-05-28
  • How to realize the switching effect of FLASH slide picture in JS

    How to realize the switching effect of FLASH slide picture in JS

    This article describes the method of JS to realize the switching effect of FLASH slide picture. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:
    2025-05-28
  • Instructions for using dns.getServers method in node.js

    Instructions for using dns.getServers method in node.js

    Method description: Return the IP address currently in use, and return the syntax in the form of a string: the copy code is as follows: dns.getServers() Receive parameters: Passive code: the copy code is as follows: exports.getServers = function() {return
    2025-05-28
  • input input box mouse focus prompt information

    input input box mouse focus prompt information

    The problem is like the title: When the mouse clicks into the input box, the prompt in the input box disappears, the mouse moves away, and the prompt in the input box appears. As shown in the figure: The method is as follows: Copy the code as follows:
    2025-05-28
  • Use html5+css3 to achieve slider switching effect Say goodbye to javascript+css

    Use html5+css3 to achieve slider switching effect Say goodbye to javascript+css

    Comment: When it comes to slider, in the past, css+js has been used to achieve related switching effects. I have heard that everyone has been discussing the implementation method of using html5+css3, but I have never implemented it myself. OK, I have time
    2025-05-28
  • Detailed discussion on the basic properties of DOM in javascript

    Detailed discussion on the basic properties of DOM in javascript

    Structure and content attribute nodeType All nodes have types, and there are a total of 12 types of nodes. The code copy is as follows: interface Node {// NodeTypeconst unsigned short ELEMENT_NODE = 1;const u
    2025-05-28
  • JS implements two methods that contain at least letters, upper case numbers, and characters.

    JS implements two methods that contain at least letters, upper case numbers, and characters.

    This article describes two methods of JS implementing password levels that include at least letters, upper case numbers, and characters. Share it for your reference. The details are as follows: Preface password. If it is set too simple, it will be easily
    2025-05-28
  • Native JS implementation date linkage

    Native JS implementation date linkage

    The month judgment involves too many judgment conditions, if else is used, it will greatly reduce performance. It is recommended to use switch syntax code as follows: Copy the code as follows: getDays:function(year,month){// var aDay = [31,28|29,31,3
    2025-05-28
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