JS controls the input code of illegal characters_javascript skills

The html file code is as follows:

Copy code The code is as follows:

< ;/head>

The following characters are not allowed to be entered here: (like !@#$%^&*, etc.)

Not here Allow input quotes:

here Only numbers can be entered:

Only uppercase English can be entered here:

< /form>

js file code is as follows:

Copy code The code is as follows: