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  • Easily create nodejs server (4): routing

    Easily create nodejs server (4): routing

    The server needs to perform different operations according to different URLs or requests, and we can implement this step through routing. In the first step, we need to parse out the path of the request URL first, and we introduce the url module. Let's
    2025-06-10
  • Teach you how to make a proxy server using node.js

    Teach you how to make a proxy server using node.js

    The function implemented by the following code is as follows: First, create an HTTP server. When the server receives the client's request, it requests data from the "www.taobao.com" website. After the response data received from the website,
    2025-06-10
  • In-depth analysis of native JavaScript events

    In-depth analysis of native JavaScript events

    If you use the Write Less Do More framework like JQuery, you will inevitably be less likely to be good at native JS. Xiaocai actually doesn’t want to write this blog, it seems to be very rudimentary, but seeing that she can’t even explain the binding and
    2025-06-10
  • Easily create nodejs server (10): handle uploading pictures

    Easily create nodejs server (10): handle uploading pictures

    In this section, we will implement the user uploading the image and display the image in the browser. The external module we want to use here is the node-formidable module developed by Felix Geisendörfer. It makes a good abstraction of parsing uploaded fi
    2025-06-10
  • JavaScript implementation calculates the characters with the most occurrences and the number of occurrences in a string

    JavaScript implementation calculates the characters with the most occurrences and the number of occurrences in a string

    "Calculate what is the character that appears the most frequently in a string, and how many times it appears?" Seeing this requirement, I think most people should first think of converting it into an array and then processing it. Of course, it c
    2025-06-10
  • JS to implement simple random lottery

    JS to implement simple random lottery

    This article describes the method of implementing simple random lottery by js. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:<html><title> js random lottery program</title><head>
    2025-06-10
  • Summary of methods for adding and deleting elements in JavaScript array Array object

    Summary of methods for adding and deleting elements in JavaScript array Array object

    This example summarizes the methods of adding and deleting elements of the JavaScript array Array object. Share it for your reference. The specific analysis is as follows: the pop method removes the last element in the array and returns the element. array
    2025-06-10
  • In-depth parsing of HTML table tags and related line break issues

    In-depth parsing of HTML table tags and related line break issues

    What is a table: table is an Html table, the carrier of data. Here is a relatively standard table code writing method: XML/HTML Code copy content to the clipboard
    2025-06-10
  • Introduction to the existence method of checking object properties in JavaScript

    Introduction to the existence method of checking object properties in JavaScript

    In JavaScript, there are four ways to check whether an object o has property x: 1. "x" in o. The in operator can be used to check whether there is x in object o. x can be the object itself (Own Property) or inherited from the prototype object
    2025-06-10
  • The problem of custom functions implementing IE7 and IE8 is incompatible with trim functions in js

    The problem of custom functions implementing IE7 and IE8 is incompatible with trim functions in js

    This article describes the method of custom functions to implement IE7 and IE8 incompatible with trim functions in js. Share it for your reference. The specific implementation method is as follows:<html><head><title> test</title>
    2025-06-10
  • Instructions for using http.response.getHeader method in node.js

    Instructions for using http.response.getHeader method in node.js

    Method Description: Read header information that has been queued but has not been sent to the client. Syntax: The code copy is as follows: response.getHeader(name) Receive parameters: name The type of response header, note that this name is case-insensiti
    2025-06-10
  • Basic DOM tutorial: Using DOM

    Basic DOM tutorial: Using DOM

    After understanding the framework and nodes of DOM (text object model), the most important thing is to use these nodes to process html web pages. For a DOM node node, there are a series of properties and methods to use. Commonly used are the following tab
    2025-06-10
  • moment.js easily implements the current date to obtain the week of the year

    moment.js easily implements the current date to obtain the week of the year

    The code is very simple, so I don’t talk much nonsense. I just give the code: Copy the code as follows:/*** Implement the current date in which week is the year, and then push forward and backward for a few weeks * js array saves the first and next weeks
    2025-06-10
  • JavaScript implements twitter puddles algorithm example

    JavaScript implements twitter puddles algorithm example

    Today I found a very interesting algorithm question. The following is its algorithm description, which comes from an interview question on Twitter. twitter puddles algorithm description first look at a picture. The numbers in the picture on the picture ar
    2025-06-10
  • How to write high-quality JS code (continued)

    How to write high-quality JS code (continued)

    Continue with the previous article "How to Write High-Quality JS Code" This time I will sort out the knowledge points of javascript functions. 2. Use function functions to provide programmers with main abstract functions and implementation mecha
    2025-06-10
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