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  • Question about the ontimeupdate event of HTML5 Video object (invalid on Chrome)

    Question about the ontimeupdate event of HTML5 Video object (invalid on Chrome)

    Comment: The Video object is a new object added in HTML5. It supports online playback of videos in various formats. It has relatively powerful functions. Video objects can report the current playback progress through the ontimeupdate event. Below is an in
    2025-05-09
  • The corresponding properties and usage of XHTML tags in CSS

    The corresponding properties and usage of XHTML tags in CSS

    When I first came into contact with XHTML CSS to design web pages, I had no experience in using tags and was very casual. I often used whatever I remembered and thought that as long as the effect could be achieved. However, with the deepening of learning
    2025-05-09
  • NodeJS Learning Notes Connect Middleware Module (II)

    NodeJS Learning Notes Connect Middleware Module (II)

    1. Hello everyone at the beginning. Today's article mainly focuses on a source code analysis series about "Connect" middleware and related auxiliary middleware. I think everyone has read the previous article and introduced the usage methods
    2025-05-09
  • HTML Table Tag Tutorial (42): Horizontal Alignment Properties of Table Headers ALIGN

    HTML Table Tag Tutorial (42): Horizontal Alignment Properties of Table Headers ALIGN

    In the horizontal direction, you can set the alignment of the table headers, including three types: left, center, and right. Basic syntax<TH ALIGN=LEFT><TH ALIGN=CENTER><TH ALIGN=RIGHT> Syntax explanation: LEFT is left, CENTER is centered, and RIGHT is ri
    2025-05-09
  • The difference between HTML5 and previous HTML4

    The difference between HTML5 and previous HTML4

    Comment: Although HTML5 does not completely subvert HTML4, they are also a little different. This article has compiled some visible differences. Just master some first, and it is not too late to study them carefully after all support. Interested friends s
    2025-05-09
  • A brief discussion on Date (date object), Math object in JavaScript

    A brief discussion on Date (date object), Math object in JavaScript

    Date object 1. What is a Date object Date object can store any date and can be accurate to the number of milliseconds (1/1000 seconds). Syntax: var Udate=new Date(); Note: The initial value is the current time (current computer system time). 2. Common met
    2025-05-09
  • js tree plugin zTree method to get all selected node data

    js tree plugin zTree method to get all selected node data

    This article example describes the method of obtaining all selected node data by js tree plug-in zTree. Share it for your reference. The specific analysis is as follows: Since I have just come into contact with things from Tree. I saw zTree online, writte
    2025-05-09
  • Simple tab switching using javascript

    Simple tab switching using javascript

    The code is quite concise and easy to understand, so there is no more nonsense. Directly present the code: copy the code as follows:<!DOCTYPE html><html><head>
    2025-05-09
  • JS method to manipulate HTML custom attributes

    JS method to manipulate HTML custom attributes

    This article describes how JS operates HTML custom attributes. Share it for your reference. The specific details are as follows: The HTML code is as follows (where displayName is a custom attribute): The copy code is as follows:
    2025-05-09
  • Use js to implement data formatting

    Use js to implement data formatting

    Format is to convert any type of data into a string through format operations. For example, copy the code as follows: <script>console.log(chopper.format('{0} - {1} - {2}', 12, 24, 25)); // outputs
    2025-05-09
  • NodeJS study notes (Url, QueryString, Path) module

    NodeJS study notes (Url, QueryString, Path) module

    1. The article starts with analysis. This article uses these three modules together. The reason is that their respective lengths are not very long, and secondly, there are dependencies between them, so it is introduced and analyzed in sequence. I won’t sa
    2025-05-09
  • Is JS passed by value or by reference

    Is JS passed by value or by reference

    Pass by value VS. Pass by reference by value (call by value) is the most commonly used evaluation strategy: the formal parameters of a function are copies of the actual parameters passed when called. Modifying the value of a formal parameter will not affe
    2025-05-09
  • Analysis and solution to the reason why frameset tags in html cannot be displayed normally

    Analysis and solution to the reason why frameset tags in html cannot be displayed normally

    <frameset></frameset>Everyone is familiar with it. It is like a table to divide a page into several pages. The following figure divides a page into three parts horizontally, each with its own scroll bar. However, before displaying the above picture, I tri
    2025-05-08
  • Javascript bug solution for Offset in motion

    Javascript bug solution for Offset in motion

    Let's first look at how this bug occurs. The code copy is as follows: <style type="text/css">#div1 {width: 200px;height: 200px;background: red;}</style> The code copy is as follows:
    2025-05-08
  • Understanding javascript callback functions

    Understanding javascript callback functions

    Pass the function as a parameter into another function. This function is the so-called callback function. This often encounters a situation where the A and B layers of a certain project are completed by different personnel. The A layer is responsible for
    2025-05-08
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