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Javascript determines whether the file exists (client/server side)

Share the method of javascript to determine whether a file exists. 1. When judging client files, you can use var fso,s=filespec; // filespec="C:/path/myfile.txt"fso=new ActiveXObject("Script

2025-04-02
JavaScript implements the method of passing parameters in the browser window

a.html<html><head><title> Main page</title><script language="javascript" type="text/javascript"> function OpenNew() { var im

2025-04-02
Commander usage example of nodejs command line parameter processing module

Admittedly, the previous processing used the built-in process.agrv, which can work, but it is not easy to work, so the master tj wrote a "my god" to be completely high-end: 1. Install the code of the copy code as follows: npm install commander2,

2025-04-02
Tutorial on creating HTML page templates using PSD image cutting

Today's tutorial will teach you how to use div+css to cut the psd page into html pages. This website has always done very little tutorials, and most of them are relatively fragmentary. In the future, we will slowly publish and translate more tutorials

2025-04-02
Convert binary files to text tools

Save as .hta to run the code as follows:<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01Transitional//EN"><html><head><title> packagefilev0.1</title>

2025-04-02
JavaScript function to verify email

This article introduces a JavaScript function to verify emails, which is quite reliable. JavaScript function to verify email, the source code is as follows: function checkEmail(text) { if( text.match(/qq/.com$/) ) { ret

2025-04-02
Solution to report errors in single and double quotes in JavaScript

When using JavaScript to display messages or pass character data, you often encounter single quotes (') or double quotes (") in the data. Such statements often cause JavaScript to report errors. This is generally solved by /' or /". For

2025-04-02
Exe converts hexadecimal HTML saved HTA implementation code

The code is as follows:<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><title> package file v0.1</title>

2025-04-02
Using JavaScript to implement the use of a DIV to wrap text element nodes

When your application needs to rely on a specific JavaScript class library, you will inadvertently try to solve the problems of some class library itself, rather than language problems. For example, when I try to wrap the text (which may also contain HTML

2025-04-01
Mobile wap website play Tencent video code

<divclass=detail-conclear><divid=mod_player_wrapclass=mod_player_wrap><divclass=mod_inner><divid=mod_innerclass=mod_play

2025-04-01
Code hierarchy tool hta version

Copy the following code, it is best to use professional editing tools such as editplus. The code is as follows:

2025-04-01
WebBrowser control captures DHTML events

Author: tuenhai.com msn: king#tuenhai.com Copyright Statement: You can reprint it at will. When reprinting, be sure to indicate the original source of the article and the author information and this statement in the form of a hyperlink. http://www.tuenhai

2025-04-01
A brief discussion on the difference between whether there is a var declaration when defining variables in JavaScript

Some time ago, I answered a difference between using the keyword var when defining variables. Let’s review it. 1. The variables defined by adding var to the scope of the function are local variables, and those defined without var become global variables.

2025-04-01
HTML 5: Five exciting features

HTML 5 is the next important version of the hypertext markup language. Since HTML 4.01 was released in 1999, its development has been at a standstill. 1999 has happened to be the time for the rapid development of the web. The current HTML version can no l

2025-04-01
Forbid browser backing through location.replace to prevent duplicate submissions

In web design, it may be necessary to prohibit the browser's back button due to certain requirements, especially for some websites that are more strict with user operations. If the user repeatedly submits events and then backs back, this may cause cat

2025-04-01

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