Javascript password Strength Verification Code (two methods) _ javascript skills

To ensure the security of personal information on websites, many websites have set the password strength on the registration page. How can I use javascript to verify the password strength? The following section provides two methods to verify the code by using the javascript password strength. If you need the code, refer to the following:

The javascript password Strength Verification code is not mentioned in the specific implementation ideas. Please refer to the following code and demo.

Method 1:

/** Password security degree * return: all are letters or numbers, or the password length is less than * return: a combination of letters and numbers, special letters, or numbers and special characters * return: letters and numbers and special characters */String. prototype. passwordStrength = function () {if (this. length> & this. length <=) return; var n = (this. search (/[a-zA-Z]/)! = -)? :, N = (this. search (/[-]/)! = -)? :, N = (this. search (/[\~ \'\! \@\# \$ \%\^\\\\\ * \ (\) \_\+ \-\=\ [\] | {\}\;\'\: \"\,\. \// \<\>\?] {,}/)! = -)? :; Return n + n ;}

Demo

    
  Js password strength     
Security levelWeak, medium, and strong