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  • Overview of micro data in HTML5 and examples of use in search engines

    Overview of micro data in HTML5 and examples of use in search engines

    Comment: HTML5 microdata specification is a way to mark content and is used to describe specific types of information, such as comments, person information, or activities. Microdata uses simple attributes in HTML tags (often span> or div) to specify br
    2025-03-27
  • Advanced HTML Form Tutorial

    Advanced HTML Form Tutorial

    You think you already know how to make a table. Of course, you already know the table, tr, td and th tags, and even put rowspan and colspan in your pocket. You can indeed make a beautiful and compact brown trim table (form), but don't you want to make
    2025-03-27
  • JavaScript to implement image loop light and dark changes

    JavaScript to implement image loop light and dark changes

    This article describes the method of javascript to realize the light and dark changes in image loops. Share it for your reference. The details are as follows: <SCRIPT language=JavaScript>var d=0function JM_fade(ob){if (d==0) {ob.fil
    2025-03-27
  • HTML5 structural elements: header

    HTML5 structural elements: header

    Header: The header will be the first element of the page loading, including the site's title, logo, website navigation, etc.<header><div class=container_16><div class=logo><h1>
    2025-03-27
  • Learn hyperlink A tags using Q&A

    Learn hyperlink A tags using Q&A

    Q: I have defined the style of the hyperlink using css, but the hover (mouse hover) does not work when browsing. Why is this happening? Is it a browser problem? Answer: Although you think the reason may be a browser problem, it may be more likely that the
    2025-03-27
  • Analysis of the difference between relative and absolute paths in HTML

    Analysis of the difference between relative and absolute paths in HTML

    HTML beginners often encounter such a problem, how to correctly reference a file. For example, how to quote another HTML page as a hyperlink in one HTML page? How to insert an image into a web page If you use the wrong one when referring to a file (such a
    2025-03-27
  • Tell you what is a callback function for javascript

    Tell you what is a callback function for javascript

    Functions are also objects that want to understand the callback function, and first of all, they clearly understand the rules of the function. In JavaScript, functions are strange, but they are indeed objects. To be precise, a function is a Function objec
    2025-03-27
  • You ask me and answer: The difference between XML and HTML

    You ask me and answer: The difference between XML and HTML

    Q: I wonder what the difference between xml and html? What are the differences between them? A: For the difference between XML and HTML, please refer to: http://www.w3c.org/MarkUp/ http://www.w3c.org/XML/ Extensible Markup Language (XML) provides a descri
    2025-03-27
  • Test of hyperlink opening target (target)

    Test of hyperlink opening target (target)

    The target property of the link determines where the link is opened. Its values ​​are usually the following five: _blank, _self, _parent, _top and custom, which are expressed in the order: new window, current window, parent window, top window and frame. W
    2025-03-27
  • Show today's date js code (Gregorian and Lunar calendar)

    Show today's date js code (Gregorian and Lunar calendar)

    1. Show date code: Js code/*get the current date*/ function getCurrentDateTime() { var d = new Date(); var year = d.getFullYear(); var month = d.ge
    2025-03-27
  • JavaScript Learning Notes (IV) Function Function Part

    JavaScript Learning Notes (IV) Function Function Part

    A function is a reusable block of code that is driven by an event or executed when it is called. Jscript supports two functions: one is a function inside the language (such as eval()), and the other is created by itself. Variables declared inside JavaScri
    2025-03-27
  • Design web pages using HTML5 semantic code

    Design web pages using HTML5 semantic code

    First, we want to declare and create the document type, we no longer use HTML 4 or XHTML 1.0 like PUBLIC -//W3C//DTD XHTML 1.0 Transitional..... Declaration, we can write this way:<!DOCTYPEhtml> Take a look, it's simple and obvious
    2025-03-27
  • JavaScript Learning Notes (III) Detailed explanation of BOM and DOM

    JavaScript Learning Notes (III) Detailed explanation of BOM and DOM

    We all know that javascript has three parts: ECMAScript, DOM and BOM. Depending on the host (browser), the specific manifestations are also different, and ie and other browsers have very different styles. 1. DOM is the W3C standard; [Standards that all br
    2025-03-27
  • Nodejs minimalist tutorial (two): timer

    Nodejs minimalist tutorial (two): timer

    setTimeout and clearTimeout copy code codes are as follows: var obj = setTimeout(cb, ms);setTimeout is used to set a callback function cb that is executed after a minimum of ms milliseconds (not immediately after ms milliseconds). s
    2025-03-27
  • Syntax rules for omitting HTML5 tags

    Syntax rules for omitting HTML5 tags

    HTML5 tags can be omitted. Without affecting the page layout, it can save the size of the web page and reduce the amount of code. Certain marks can be omitted. Omitting the start marker does not mean that the marker does not exist, it is implicit, but it
    2025-03-27
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