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EasyUI's doCellTip implements the mouse to prompt the cell content

1: I copied this thing (I can't remember where I copied it - -) The pop-up window has no style and is not very good-looking //Extend $.extend($.fn.datagrid.methods, { /** * Start prompt function* @param {} jq * @param {} p

2025-08-15
Solution to intercept the new window when JS pops up

In web programming, when using JS to open a page in a new window, you will encounter a situation where the browser is intercepted. So, how can we make JS open a new window without being blocked by the browser? 1. Problem 1 Generally speaking, if you call

2025-08-15
JavaScript removeChild in html5

Comment: All nodes can be deleted through JavaScript. This article mainly discusses the removeChild function. You can take a look at the following examples and assume that the div has such content:<!DOCTYPE html><html><head>

2025-08-15
Examples explain the usage of the instanceof operator in JavaScript

Introduction to instanceof operator In JavaScript, you will use the typeof operator to judge the type of a variable. When using the typeof operator, you will have a problem using a reference type to store values. No matter what type of object is reference

2025-08-15
JS method to implement local enlargement or reduction of images

This article describes the method of JS to achieve local enlargement or reduction of images. Share it for your reference, as follows:

2025-08-15
JavaScript design patternConstructor (constructor) pattern

A constructor is a special method for initializing a newly created object if memory has been allocated to it. Object constructor is used to create objects of a specific type. Prepare objects for use. Colleagues receive constructors can use parameters to s

2025-08-15
More reliable H5 horizontal and vertical screen detection method (js code)

Not long ago, I did an H5 project and needed to do some processing when the horizontal and vertical screen changes. There is no doubt that the orientationchange needs to be used to monitor changes in horizontal and vertical screens. Solution 1: // Listen

2025-08-15
Detailed explanation of the toFixed() method of Number object in JavaScript

Definition and Usage The toFixed() method rounds Number into a number with a specified decimal digit. Syntax NumberObject.toFixed(num) Parameter Description num Required. The number of digits specified in the decimal is a value between 0 and 20, including

2025-08-15
JavaScript example-Teaching you to implement the function of playing cards shuffling

We usually sort out the randomly touched cards in order from small to large (I remember when I was a kid, the player couldn't catch both decks of cards). This essay is to realize this function to familiarize yourself with the relevant knowledge of sor

2025-08-15
Simple code to implement JS image enlargement effect

This article shares the image enlargement effect of JS for your reference. The specific content is as follows<!DOCTYPE html><html><head><meta charset="utf-8"/><title></title>

2025-08-15
Implementation method of saving the html page into an image and writing the image to a PDF (recommended)

Requirements are a function of exporting PDF. The multi-party running has finally been implemented. I have taken many detours, and I suspect that this method is still in a bend now. There is a jsPDF plugin that can directly generate pdf on the front end,

2025-08-15
Summary of knowledge points about vue.js pop-up components

First of all, the following three points need to be considered during development: 1. Entering and popping animation effects. 2. Control of z-index 3. Overlay masking layer About animation vue The processing of animation is relatively simple, just add css

2025-08-15
Web Security Testing XSS Example Explanation

Web Security Testing: XSSXSS Full Name (Cross Site Scripting) Cross-site scripting attack is the most common vulnerability in Web programs. It means that an attacker embeds a client script (such as JavaScript) into a web page. When the user browses this w

2025-08-15
A brief discussion on delayed execution and timed execution in js

In js, there are two types of delayed execution functions, setTimeout and setInterval, and the usage is as follows: function testFunction(){Console.log('hovertree.com');}setTimeout("testFunctio

2025-08-15
Detailed explanation of the implementation of Hash Map mapping structure in JavaScript

Hash Map is usually used in JavaScript as a simple place to store key-value pairs. However, Object is not a true hash map and can potentially cause problems if used improperly. And JavaScript may not provide local hash mapping (at least not cross-browser

2025-08-15

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