javascript - jQuery password strength checker

Passtrength JS provides a basic visual system that indicates the strength of the password entered in any input type password. This basic indication system is based on 4 points based on the password entered:

使用jQuery的密码强度指示器 随着网络技术中新框架的出现，设计和实现功能丰富、响应迅速的网页变得相当容易。 在这里，我们将使用jQuery和Bootstrap为注册页面设计一个密码强度指示器。

To determine the password strength, the algorithm computes how many percent of the secure strength a user reached and assigns one of the following five classes to the password strength indicator display element accordingly:

Strength.js 套件能用在註冊時就先檢查密碼的強度，現在很多網站都有會員機制，很多人怕密碼會忘記或是偷懶都會用一些很簡短簡單的密碼，這樣就讓其它惡意的使用者就有機可趁，這也讓網站的管理者很頭大。

Below is a free password strength/policy JQuery plug-in validator. It is also supports validation of passwords entered in multiple languages (supported in Unicode).

With the advent of new frameworks in web technologies, it has become quite easy to design and implement feature-rich and responsive web pages. Here, we are going to design a password strength indicator using jQuery and Bootstrap for register pages.