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  • JS for form verification example analysis

    JS for form verification example analysis

    This article describes the method of JS for form verification. Share it for your reference. The specific implementation method is as follows: 1. The traditional form verification code copying code is as follows:
    2025-06-15
  • Nodejs learning notes Global Objects Global Objects

    Nodejs learning notes Global Objects Global Objects

    1. The opening analysis In the previous chapter, we learned the basic theoretical knowledge of NodeJS. Understanding this theoretical knowledge is crucial. In the subsequent chapters, we will gradually learn the various modules in the official documents.
    2025-06-15
  • Javascript constructor method to define objects

    Javascript constructor method to define objects

    Javascript is a dynamic language. You can add attributes to objects at runtime, or you can delete attributes to objects and copy the code code as follows: <html><head><script type="text/javascript">/*//01.定义对象第一种方式var
    2025-06-15
  • HTML web page hyperlink tag&amp;lt;A&amp;gt; Learning tutorial

    HTML web page hyperlink tag&amp;lt;A&amp;gt; Learning tutorial

    html web page hyperlink tag learning tutorial link tag attribute link is one of the most important elements in web pages and is the soul of a website. A website is composed of multiple pages, and the pages rely on links to determine the mutual navigation
    2025-06-15
  • robots.txt detailed introduction

    robots.txt detailed introduction

    robots.txt is a plain text file in which the website administrator can declare that the part of the website that does not want to be accessed by robots, or specify that the search engine only includes specified content. robots.txt basic introduction robot
    2025-06-15
  • JS How to determine the number of words that can be entered in the text box

    JS How to determine the number of words that can be entered in the text box

    This article describes the method of JS to determine the number of words that can be entered in the text box. Share it for your reference. The specific details are as follows: Purpose: In order to more intuitively reflect the user can see how many words h
    2025-06-15
  • Pure css add styles to select (no script) implementation

    Pure css add styles to select (no script) implementation

    Change the default style of select, and generally use ul and li to simulate it in the situation. There are many Jquery plug-ins that change the default style of select in this way. According to the report of the program brother, this method cannot obtain
    2025-06-15
  • Understand the rendering process of html pages in preparation for learning front-end performance optimization

    Understand the rendering process of html pages in preparation for learning front-end performance optimization

    Recently, I am learning the performance optimization of the front-end. It is necessary to understand the rendering process of the page in order to prescribe the right medicine and find out the bottleneck of performance. The following are some things I hav
    2025-06-15
  • Implementation of putting frameset in body through iframe

    Implementation of putting frameset in body through iframe

    Because frameset and body are at the same level, frameset cannot be placed in the body. You can first put an iframe on a page, and then direct it to a page. Put frameset on this page to copy the code.
    2025-06-15
  • HTML5 practice - Image setting to grayscale

    HTML5 practice - Image setting to grayscale

    Comment: In the past, if you wanted to display grayscale images on the web, you could only manually use the picture software to convert them. However, now this process can be achieved with the help of html5 canvas, without the need to use image editing so
    2025-06-15
  • Example code for making pre tags automatically wrap lines

    Example code for making pre tags automatically wrap lines

    The pre element defines preformatted text. Text surrounded by pre elements usually retains spaces and line breaks. The text will also be presented in monospace fonts.<pre> A common application of tags is to represent the source code of a computer. For tec
    2025-06-15
  • Introduction to DSL metaprogramming in JavaScript

    Introduction to DSL metaprogramming in JavaScript

    When looking at the JavaScript Template source code, I found that there is a very interesting usage to generate functions. I thought that this is metaprogramming. The JavaScript metaprogramming copy code is as follows: Metaprogramming refers to the writin
    2025-06-15
  • Special effects of sticky notes implemented by html5 (practical sharing)

    Special effects of sticky notes implemented by html5 (practical sharing)

    Comment: Sticky notes, I believe everyone is familiar with this word. There is a good example below that can achieve the special effects of sticky notes through html5. Friends who like it can learn about it.
    2025-06-15
  • js How to set radio buttons, check boxes and drop-down menus using DOM

    js How to set radio buttons, check boxes and drop-down menus using DOM

    This article describes how to set radio buttons, check boxes and drop-down menus using DOM by js. Share it for your reference. The specific implementation method is as follows: 1. Set radio buttons, radio buttons, in the form<input type="radio" /> It is a
    2025-06-15
  • Introduction to SVG 2D of HTML5: 11-User Interaction (Animation) Introduction and Application

    Introduction to SVG 2D of HTML5: 11-User Interaction (Animation) Introduction and Application

    Interactive SVG has good user interactivity, such as: 1. SVG can respond to most DOM2 events. 2. SVG can capture the user's mouse movement well through cursor. 3. Users can easily achieve scaling and other effects by setting the value of the zoomAndPa
    2025-06-15
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