162100 digital DIV (non-picture) verification code v3.0
v0
1. Optimize and streamline the code.
2. According to the set number of seconds, the numbers and background color continue to change, realizing impermanent changes.
3. You can change the name of the cookie that records the verification code by yourself.
1. Original work, the code is concise, short and concise, and easy to use.
2. The front desk only references a Javascript file and can interface with web pages in any language.
3. It can be used for front-end and back-end publishing of any type of system such as forums, CMS, article publishing, etc.
4. Compatible with various browsers such as IE, Firefox, Opera, and 360.
