Browser-JS random password generator applet

randpass.jade

//- A general purpose not-so-random string generator
//- This file is in public domain
//- by Simone Lusenti - PlasticPanda.com, 2012
doctype 5
html
    head
        meta(charset='utf-8')
        meta(name='Content-Type', value='text/html')
        title Random pass generator

        :stylus
            .mini
                font-size small

    body

        header
            p Some random passwords for you:

        section#content

        footer
            p
                button#again Again!
                br
                span.mini
                    a(href="https://gist.github.com/gists/3025174") view source

    :coffeescript
        options = window.location.hash.replace('#','').split ','
        howMany = parseInt(options[0]) || 10
        length = parseInt(options[1]) || 10

        # Random password generator
        randPass = () ->
          chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'
          pass = [pass] + chars.charAt Math.floor Math.random()*(chars.length-1) for c in [1..length]
          return pass

        generate = () ->
            for c in [1..howMany]
                document.getElementById('content').innerHTML += "#{randPass()}<br />"

        document.getElementById('again').onclick = (ev) ->
            document.getElementById('content').innerHTML = ''
            generate()

        generate()