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

    Instructions for using fs.ftruncate method in node.js

    Method description: File content interception operation. Syntax: The code copy is as follows: fs.ftruncate(fd, len, [callback(err)]) Since this method belongs to the fs module, it is necessary to introduce the fs module (var fs= require("fs") be
    2025-06-12
  • A brief discussion on JavaScript Date Date and Time Object

    A brief discussion on JavaScript Date Date and Time Object

    Date Date and Time Object 1. Introduction to the Date object, which is an object that operates on date and time. The operation of the Date object on date and time can only be done through methods. 2. Constructor 2.1 new Date(): Return the current local da
    2025-06-12
  • Brief analysis of javascript operation cookie object

    Brief analysis of javascript operation cookie object

    A cookie object is a type of data information (Cookie data) stored in the Cookies folder of the client's hard disk in the form of a file (Cookie file). User data information (Cookie data) in the cookie folder. Cookie files are created by the visited W
    2025-06-12
  • Web page comments generate text overflow in IE

    Web page comments generate text overflow in IE

    The experimental code is as follows:
    2025-06-12
  • Introduction to basic javascript syntax

    Introduction to basic javascript syntax

    Introduction JavaScript is a scripting language. (Scripts, text commands. When executed, a system interpreter translates them into machine-recognizable instructions and then executes them. Common scripts: batch scripts, T-SQL scripts, VBScript, etc.) HTML
    2025-06-12
  • Method for implementing detailed time reminder information effect in javascript

    Method for implementing detailed time reminder information effect in javascript

    This article describes the method of JavaScript to implement detailed time reminder information effects. Share it for your reference. The details are as follows: We often see very humanized time prompts on social networks, such as what your friend updated
    2025-06-12
  • JavaScript implements the method of clicking button to make the DIV layer move elastically

    JavaScript implements the method of clicking button to make the DIV layer move elastically

    This article describes the method of javascript to enable the DIV layer to move elastically by clicking a button. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:
    2025-06-12
  • Introduction to Truthy and Falsy in JavaScript

    Introduction to Truthy and Falsy in JavaScript

    Like most programming languages, there is a boolean type in JavaScript for logical judgment. However, unlike many other programming languages, there are concepts of Truthy and Falsy values ​​in JavaScript - except for boolean values ​​true and false, all
    2025-06-12
  • JavaScript string object replace method instance (for string replacement or regular replacement)

    JavaScript string object replace method instance (for string replacement or regular replacement)

    JavaScript replace method The replace method is used to replace some strings in a string, or replace a string that matches a regular match, and return the replaced string. The syntax is as follows: the copy code code is as follows: str_object.replace(reg_
    2025-06-11
  • Seven basic specifications for XHTML encoding

    Seven basic specifications for XHTML encoding

    1. All tags must have a corresponding end tag. Previously in HTML, you can open many tags, such as<p> and<li> It does not necessarily mean the corresponding one</p> and</li> Come close them. But this is illegal in XHTML. XHTML requires a rigorous structur
    2025-06-11
  • JS implements cool EMAIL address addition function instance

    JS implements cool EMAIL address addition function instance

    This article example describes how JS implements a cool EMAIL address addition function. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:<html><head><title> JS implements cool EMAIL address addi
    2025-06-11
  • JavaScript learning notes data types

    JavaScript learning notes data types

    1. Classification basic data types: undefined, null, string, Boolean, number Complex data types: The attribute of objectobject is defined in the form of unordered name and value pairs (name: value). 2. Detailed explanation 1. Undefined: unde
    2025-06-11
  • A brief discussion on the deletion of Treegrid nodes in EasyUI

    A brief discussion on the deletion of Treegrid nodes in EasyUI

    Deletion in EasyUI is very simple, usually just copy and paste. Below is the deletion of the tree node. Copy the code code as follows:/ Delete function removes() {var rows = ruletreegrid.treegrid('getSelections');
    2025-06-11
  • JS implements the method of expanding or hiding table rows with a mouse click

    JS implements the method of expanding or hiding table rows with a mouse click

    This article describes the method of JS to expand or hide table rows by clicking on mouse. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:
    2025-06-11
  • Application of anchor points in html

    Application of anchor points in html

    Set the anchor point. Jump on the same page and <a href=#top>return to the top of</a> the different pages and <a href=test.htm#top>jump to the top of the test.htm page.</a> Let me mention mailto. I have never known ma in the past.
    2025-06-11
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