I like to have an input with maximum 3 characters. In Firefox everything works fine I can only write 3 numbers inside the input - but in safari you can write a lot of numbers inside.
You can test it in both …
Here is an example:
Fill textarea with lines (one character at one line) until browser allows.
When you finish, leave textarea, and js code will calculate characters too.
So in my case I could enter only 7 characters (including whitespaces) before …