How to make HTML input always display a fixed length asterisk? _html/css_WEB-ITnose

Everyone, in order to prevent others from knowing the number of digits in your password, you usually define the displayed part as a fixed-length asterisk. How do you implement input?

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I was also drunk when I saw this question from upstairs. Ask for a solution.

Tested. It turns into an asterisk after typing.

maxlength="6" fixed maximum length.

The fixed length I am talking about does not mean that you can only enter 6 digits. In fact, you can enter 18 digits, but only 6 asterisks are displayed. Do you understand what I mean?

maxlength="6" Fixed maximum length.

The fixed length I am talking about does not mean that you can only enter 6 digits. In fact, you can enter 18 digits, but only 6 asterisks are displayed. Do you understand what I mean?

maxlength="6" Fixed maximum length.

The fixed length I am talking about does not mean that you can only enter 6 digits. In fact, you can enter 18 digits, but only 6 asterisks are displayed. Do you understand what I mean?
Understand Reference
http://bbs.csdn.net/topics/230024277

maxlength="6" fixed maximum length.

The fixed length I am talking about does not mean that you can only enter 6 digits. In fact, you can enter 18 digits, but only 6 asterisks are displayed. Do you understand what I mean?
Got it Reference
http://bbs.csdn.net/topics/230024277
Okay, thank you.