Go directly to the code.
If you need to introduce external Js, you need to refresh it to execute
]
The following code is relatively complete. It is based on the control principle of js
Copy code
Statement:The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn