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  • Instructions for using fs.fchmod method in node.js

    Instructions for using fs.fchmod method in node.js

    Method Description: Change file permissions (file descriptor). Syntax: The code copy is as follows: fs.fchmod(fd, mode, [callback(err)]) Since this method belongs to the fs module, it is necessary to introduce the fs module (var fs= require("fs"
    2025-06-09
  • Automatic prompt function when searching based on javascript

    Automatic prompt function when searching based on javascript

    When the data volume is not large and there is no functional interface corresponding to the backend, some simple search functions are basically implemented by the front end. I happened to use it recently. I wrote one and posted it to share with you: rende
    2025-06-09
  • Javascript+canvas to create nine-grid applet

    Javascript+canvas to create nine-grid applet

    The code of js core code copy is as follows:/**canvasid:html canvas tag id*imageid:html img tag id*gridcountX: x-axis picture segmentation number*gridcountY: y-axis picture segmentation number*gridspace: grid space*
    2025-06-09
  • JavaScript method to calculate dates within two date and time periods

    JavaScript method to calculate dates within two date and time periods

    This article describes the method of calculating dates within two date and time periods in JavaScript. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:/*************************************** Ca
    2025-06-09
  • JavaScript module randomly drag sample code

    JavaScript module randomly drag sample code

    The code copy is as follows:
    2025-06-09
  • JavaScript timer example analysis

    JavaScript timer example analysis

    1.What is a JavaScript timer? In JavaScript, we can execute code after a set interval, rather than immediately after the function is called. 2. Timer type One-time timer: triggers only once after the specified delay time. Interval trigger timer: triggers
    2025-06-09
  • Problems encountered when using image onload event in js

    Problems encountered when using image onload event in js

    About the Image object onload event. What I want to get is the width and height value of image. So use the onload method. Another is the remote image obtained. But when IE displays the picture for the second time, it always does not use the onload method.
    2025-06-09
  • Instructions for using fs.chmodSync method in node.js

    Instructions for using fs.chmodSync method in node.js

    Method description: Synchronous version of chmod(), which is used to overwrite the read and write permissions of the file. Syntax: fs.chmodSync(path, mode) Since this method belongs to the fs module, it is necessary to introduce the fs module (var fs = re
    2025-06-09
  • The wonderful use of tbody tag accelerates the display of table content

    The wonderful use of tbody tag accelerates the display of table content

    You must have saved other people's web pages to view, especially when you open them with dw, you will see that many web pages have been added.<tbody> This tag is very yellow and conspicuous in dw, so<tbody> What is it? Use the TBODY tag to control th
    2025-06-09
  • How to turn off the function of crawling remote pictures by Baidu UEditor editor

    How to turn off the function of crawling remote pictures by Baidu UEditor editor

    At the beginning, I didn't know how to trigger this function. I thought there was a button, and I clicked it to trigger it. After reading the document, I didn't find it. Then I saw on the Internet that it was triggered when I copied and pasted the
    2025-06-09
  • Several classic application examples of CURL in PHP

    Several classic application examples of CURL in PHP

    1. Basic steps of cURL request: (1) Initialize (2) Set options, including URL (3) Execute and get HTML document content (4) Release the cURL handle and copy the code code as follows:
    2025-06-09
  • JavaScript rewrites asynchronous verification form into synchronous form

    JavaScript rewrites asynchronous verification form into synchronous form

    When synchronizing the disadvantages of form verification, the entire page needs to be reloaded (although there is a cache, the client still needs to compare whether each file is updated through the http protocol to keep the file up to date). After the se
    2025-06-09
  • JavaScript plug-in development tutorial (II)

    JavaScript plug-in development tutorial (II)

    1. The beginning analysis of Hi, hello everyone! Do you still remember the previous article-----The beginning of this series (JavaScript plug-in development tutorial 1). It mainly tells the story of "how to develop plug-ins in the jQuery way", s
    2025-06-09
  • Extjs needs to set a unique ID for each component, otherwise an error will occur

    Extjs needs to set a unique ID for each component, otherwise an error will occur

    Extjs component needs to set a unique ID, otherwise it will cause various errors EXTJS basically relies on the ID to identify the component. If you have a textfield with ID: "keyword" in panel1 and a textfield with the same ID in panel2, then wh
    2025-06-09
  • Implementing the Node.js project self-start with forever on Linux

    Implementing the Node.js project self-start with forever on Linux

    So can we use forever plus startup scripts to solve the above problems? The answer is of course yes, but it's a bit troublesome, and the official forever lacks detailed configuration documents. I also took some detours when configuring, so I will go i
    2025-06-09
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