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  • How to reduce JavaScript errors using JSHint

    How to reduce JavaScript errors using JSHint

    Preface JSHint is used to analyze and verify that JavaScript code complies with your coding rules. This powerful tool can help spot errors and problems in your code T, which forces your team to maintain certain coding conventions and styles, making the co
    2025-08-26
  • JavaScript array implements queues and stacks in data structures

    JavaScript array implements queues and stacks in data structures

    1. A brief introduction to queues and stacks 1.1. The basic concept of queues: a collection that supports first-in-first-out (FIFO), that is, the data that is inserted first is fetched out! As shown in the figure below: 1.2. The basic concept of stacks: a
    2025-08-26
  • Detailed explanation of the difference between modification and rewriting (overwrite) of javascript prototypes

    Detailed explanation of the difference between modification and rewriting (overwrite) of javascript prototypes

    Each JavaScript function has a prototype attribute (the javascript object does not have this attribute). This attribute refers to an object, which is the prototype object. JavaScript allows us to modify this prototype object. There are two ways to modify:
    2025-08-26
  • Analysis of drawImage usage in HTML5

    Analysis of drawImage usage in HTML5

    This article mainly introduces the problems and solutions encountered in the usage analysis of drawImage in HTML5 and the actual application. It analyzes the error code and modified code to deepen the understanding of the specific application of HTML5. Fr
    2025-08-26
  • Detailed explanation of the problem and solution of vertical centering of Bootstrap pop-up box (modal)

    Detailed explanation of the problem and solution of vertical centering of Bootstrap pop-up box (modal)

    People who have used the bootstrap modal component are confused. Why can't a good pop-up box be vertically centered? It happened to be working on an eit project. Since some frameworks in this project follow some rules of nttdata, Bootstrap was used. I
    2025-08-26
  • Native js implementation tab switching

    Native js implementation tab switching

    This article has shared with you the code to implement the tab tab switching effect in native js for your reference. The specific content is as follows 1.html<body><div id="tab"><div><ul><li> <a href="#">current events</a></li>
    2025-08-26
  • js HTML5 multi-image upload and preview instance analysis (excluding file segmentation on the front end)

    js HTML5 multi-image upload and preview instance analysis (excluding file segmentation on the front end)

    This article shares js HTML5 multi-image upload and preview examples for your reference. The specific content is as follows: 1. HTML5 files can select multiple files and obtain multi-file information 2. XMLHTTPRequest object, send HTTP transmission reques
    2025-08-26
  • BootStrap drop-down box is not friendly in the firefox browser interface

    BootStrap drop-down box is not friendly in the firefox browser interface

    http://output.jsbin.com/titaki The above link is opened in the firefix browser and you will find that there is a small container inside, and the drop-down button style is very unfriendly. Google checked it. 1. The small container can be used to select:pad
    2025-08-26
  • NodeJS remote code execution

    NodeJS remote code execution

    Background @Artsploit When digging for PayPal vulnerability, it discovered that a NodeJS code was executed, rewarding $10,000. test var express = require('express'); var app = express(); app.get('/',
    2025-08-26
  • An example demonstration of arranging character avatars using html5 and css3 animations

    An example demonstration of arranging character avatars using html5 and css3 animations

    This article mainly introduces an example demonstration of arranging character avatars using html5 and css3 animations. At the beginning of this example page, there is only a beauty picture in the middle, and then a smile picture appears, followed by a sm
    2025-08-26
  • Summary of the input box style modification of type="file"

    Summary of the input box style modification of type="file"

    The input type=file in the form is often used in front-end development, but the tragic thing is that the input type=file is not uniform in each browser, and the style is difficult to work; so how do we deal with this problem? This is the main content we d
    2025-08-26
  • JS adds, deletes and modifys HTML tables

    JS adds, deletes and modifys HTML tables

    The requirements are as follows: Write an html page with a form in it to store user information, including: user name, password, name, email, phone number, QQ, ID number. Now we need to dynamically add, delete, modify and check the table through js (just
    2025-08-26
  • JavaScript Promise Usage

    JavaScript Promise Usage

    Synchronous programming is generally easy to debug and maintain, however, asynchronous programming generally provides better performance and greater flexibility. The biggest feature of asynchronous is that there is no need to wait. "Promises" gr
    2025-08-26
  • Front-end pop-up dialog box js implements ajax interaction

    Front-end pop-up dialog box js implements ajax interaction

    The original plan was to achieve such a requirement: the front desk click triggers a business action, and the user needs to supplement information, without jumping the page, and supplement information in the form of pop-up windows. It was troubled, but it
    2025-08-26
  • Tutorial on drawing a smiling face using Canvas in HTML5

    Tutorial on drawing a smiling face using Canvas in HTML5

    This article mainly introduces the tutorial of using Canvas in HTML5 to draw a smiling face. Using Canvas for drawing is a basic function in HTML5. Friends who need it can refer to it today. You will learn a web technology called Canvas and its associatio
    2025-08-26
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