Web design tutorial_Professional web design basic and advanced tutorial-Downcodes

English

中文(简体) 中文(繁体) 한국어 日本語 English Português Español Русский العربية Indonesia Deutsch Français ภาษาไทย

Home> Web design tutorial

All Dreamweaver tutorial Javascript tutorial HTML tutorial CSS tutorial Experience and skills DHTML tutorial Web effects WEB standardization

Web design tutorial

node.js solves the problem of getting the real file type of the image

A need to encounter: Suppose there is an image file, the real type is jpg, and someone is lazy to copy jpg directly and save it as a png file of the same name. In this way, there will be no problems when reading the file as3, but mobile phone C++ encounte

2025-06-10
Ideas and code for controlling parent page refresh in html

1. Application scenario parent page a.jsp child page b.jsp, copy the code as the page pointing to by the iframe embedded in page a

2025-06-10
How to implement the "Are you sure you want to leave this side" when the chrome browser closes the page?

1. Avoid pop-up prompt box. I searched a lot on the Internet. Most of the answers are setting window.onbeforeunload=null, but it is invalid after trial. After leaving this question for two days, I returned to think about it again. Finally, I found the ans

2025-06-10
A good string transcoding and decoding function (self-write)

function isString(variable) { return Object.prototype.toString.call(variable).indexOf('String') != -1;}function isNumer

2025-06-10
JS method to realize the web scroll bar sensing mouse color change

This article describes the method of JS to realize the mouse color change by scroll bars on web pages. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:<html><head><title> JS realizes web scroll

2025-06-10
Analysis and solution ideas for problems encountered during the use of label tags

Recently, I used the label tag when I was doing things. Since I rarely used label tags before, I encountered a very strange problem. What's the problem? Here is a look at an effect<!DOCTYPE html><html><head><meta charset="utf-8" />

2025-06-10
Detailed introduction to delete operator in Javascript

1. When it comes to the delete operator in javascript, we must first figure out the relationship between variables and attributes in javascript. In JavaScript, the relationship between variables and object attributes is very subtle, and it can even be equ

2025-06-10
How to achieve mouse trigger image jitter effect

This article describes the method of js to trigger the image jitter effect by triggering the mouse. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:<html><head><title> Mouse triggers image jitte

2025-06-10
HTML Advanced Tutorial Affinity Form

Forms are the least easy thing to use for people with disabilities. Navigation and written content are one situation, while jumps in form fields and information input are another. Therefore, adding more elements to the form to make the form easier to use

2025-06-10
The difference between button and input type=button and precautions

<button>Tag definition and usage</button> <button>Tag definition a button. Inside the button element, you can place content, such as text or images. This is the difference between this element and the buttons created with the input element.</button> <butt

2025-06-10
Detailed introduction to buffering and streaming modules in Node.js

The buffer module js was originally designed for browsers, so it can handle unicode-encoded strings well, but it cannot handle binary data well. This is a problem with Node.js, because Node.js is designed to send and receive data that is often transmitted

2025-06-10
Code to display the content of txt book using web page

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"

2025-06-10
Improve the relationship between user experience and open web pages in new windows

After demonstrating that using target=_blank is not an absolute error, we will explore how to reduce new windows by scenario. I was consciously paying attention to this issue because I saw Uncle Plod's advice in 2004 that he advocated not to random po

2025-06-10
Collection of differences between js and firefox in IE

1.firefox cannot support innerText. firefox supports innerHTML but does not support innerText. It supports textContent to implement innerText, but the unnecessary spaces are also preserved by default. If textContent is not used, if string

2025-06-10
JS+CSS to implement the search box for imitating Sina Weibo

This article describes the method of JS+CSS to implement the Sina Weibo search box. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:

2025-06-09

Prev 222 223 224 225226227 228 229 230Next