jQuery random verification code

25May2023

As the Internet develops, website security becomes more and more important. One very important aspect is the verification code, which can effectively prevent malicious attacks and malicious registration operations. jQuery is a very popular JavaScript library, this article will introduce how to implement verification code in jQuery. 1. First, we need to generate a verification code image. Images can be generated using PHP or other server-side languages. Here we assume that there is already a file called captcha.php to generate the image. 2. In HT

25Jul2016

php random verification code php generates random verification code (graphic and text)

14Mar2018

This time I will bring you the verification code effect of drag verification using jQuery and vue. What are the precautions for using jQuery and vue to make the verification code effect of drag verification? The following is a practical case, let's take a look.

19Jul2017

//Validation form written using jQuery

13Nov2018

What this article brings to you is to introduce what effects jQuery can achieve? Usage of jQuery effects (code example). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

26Apr2018

This time I will bring you jQuery+formdata to create upload progress effects (with step codes). What are the precautions for jQuery+formdata to create upload progress effects? Here is a practical case, let’s take a look.

24Mar2018

Verification code technology is the most basic link in protecting website security in the process of website opening. It can prevent illegal people from using registration tools or login tools to attack the website (also known as spamming), thereby protecting website security.

16May2016

This article mainly introduces the jQuery code implementation development process timeline special effects code, with left and right arrows, digital timeline tab switching special effects, friends in need can refer to it.