javascript - How to prevent users from using scripts to log in on a webpage?

Question

For example, if you implement this set of tests on a certain product yourself, what should you do?

某草草 · Answer

You can also log in with the verification code

黄舟 · Answer

For a certain treasure, you can take a look at this plug-in slideunlock.js
In fact, I think the most commonly used anti-script login is image verification code
You only need to write a program in the background and leave a good interface, and the front-end is very simple Ajax can solve it