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Experience and skills

Compatibility of global regular expressions in IE/Firefox

There is such a piece of code: the result of if (RegExp.test(num)) is TRUE every time in IE, but in Fire Fox, if it is True the first time, it must be False the second time, and appears alternately thereafter. Let’s take a look at some past solutions:

2024-12-26
The most accurate hard disk integer partitioning method

The general algorithm for calculating hard disk integer partitions is: partition size = (partition size - 1) × 4 + 1024 × partition size.

2024-12-25
$Introduction to the use of Unicode characters in web pages (&#, \u, etc.)$

Introduction to the use of Unicode characters in web pages (&#, \u, etc.)

The earliest computers could only use ASCII characters, but with the expansion of computer applications, many countries have designed special character sets for computers so that the letters and characters of their own countries and nations can be display

2024-12-25
The front-end implements the encoding and decoding of strings GBK and GB2312 (summary)

Preface: A rather pitiful problem encountered when developing a project. The product requires the search terms in the browser address bar to be obtained from the browser for judgment. We generally use UTF-8 encoding format, but Baidu and Google Searching

2024-12-24
Say goodbye to hard-coded example code that lets your front-end tables automatically calculate

Preface When my team was developing the tax system module, I found that they needed to spend 80% of their time solving calculation problems, especially the calculations in the form (Grid). This time was spent on: writing front-end js code (because

2024-12-24
A brief analysis of the introduction and usage of Table and div

Web front end 1 student number name gender age 01 Zhang Sannan 2002 Li Si female 21 Total number of people 60 Components of the table

2024-12-23
Detailed tutorial on methods and advantages and disadvantages of hiding elements in the Web

To hide an element with position attribute, we should move it off the screen and set its size to 0 (width and height). An example is jump navigation links. Consider the following diagram:

2024-12-23
15 websites for programming beginners (all are foreign websites)

In today's article, we will share 15 websites where you can learn programming. These websites provide many programming tutorials, books and programming exercises. We hope they are useful to you. 01. Free programming book website address: https://e

2024-12-23
How to prevent Vue’s flashing screen effect in small projects

To summarize HTML in one sentence: element plus v-cloakCSS: [v-cloak]{display: none} The beard syntax will be displayed when the page is first loaded. v-cloa

2024-12-20
Sharing the structure and performance principles of simple web page layout

Introduction to content related to structure and performance. HTML structure, CSS performance, Javascript behavior. Web page layout should take into account the principle of separation of structure, performance and behavior. First, focus on structure and

2024-12-20
Solution to the gap between divs

When you use HTML div blocks and the middle of the block cannot be closely connected and cannot be solved no matter what, 1. You can<head></head> Add a * { margin:0; paddin to the middle content

2024-12-20
What does a in rgba mean? CSS RGBA Color Guide

RGBA is a CSS color that can set color value and transparency. The following is using rgba() to set 50% transparency white.p { color: rgba(255, 255, 255, 0

2024-12-20
The difference and introduction of colors ARGB, RGB, and RGBA

ARGB is a color mode, which is an RGB color mode plus an Alpha (transparency) channel. It is common in the storage structure of 32-bit bitmaps. RGB color mode is a color standard in the industry, which is based on red (

2024-12-19
Solve the problem that document.getElementBy series methods cannot obtain objects

The objects that cannot be obtained by getElementById are sequential when the browser parses the document. The corresponding object cannot be obtained before the page is loaded, or before the corresponding DOM object is loaded.

2024-12-19
Detailed explanation of the difference between adaptive and responsive vernacular analysis

Based on daily development experience and relevant information on the Internet, the difference between adaptive and responsive is analyzed in simple and easy-to-understand vernacular. Note: This article only analyzes the difference between adaptive and re

2024-12-19

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