How to prevent copy, cut, and paste events

In some applications, sometimes when we submit important information such as the Form Content (password), to ensure security, we need to prevent some copy, cut, and paste events, today I made a simple example about blocking copy, cut, and paste events: & lt ;! DOCTYPEhtml & gt; & lt; html & gt; & lt; head & gt; & lt; metacharset... Synt

In some applications, sometimes when we submit important information such as the Form Content (password), to ensure security, we need to prevent some copy, cut, and paste events, today I made a simple example about blocking copy, cut, and paste events:

 

 




Pwd cannot be copied and pasted