js检测密码强度

<script>

function AuthPasswd(string) {

    if(string.length >=6) {

        if(/[a-zA-Z]+/.test(string) && /[0-9]+/.test(string) && /\W+\D+/.test(string)) {

            noticeAssign(1);

        }else if(/[a-zA-Z]+/.test(string) || /[0-9]+/.test(string) || /\W+\D+/.test(string)) {

            if(/[a-zA-Z]+/.test(string) && /[0-9]+/.test(string)) {

                noticeAssign(-1);

            }else if(/\[a-zA-Z]+/.test(string) && /\W+\D+/.test(string)) {

                noticeAssign(-1);

            }else if(/[0-9]+/.test(string) && /\W+\D+/.test(string)) {

                noticeAssign(-1);

            }else{

                noticeAssign(0);

            }

        }

    }else{

        noticeAssign(null);

    }

}

 

function noticeAssign(num) {

    if(num == 1) {

        $('#weak').css({backgroundColor:'#009900'});

        $('#middle').css({backgroundColor:'#009900'});

        $('#strength').css({backgroundColor:'#009900'});

        $('#strength').html('很强');

        $('#middle').html('');

        $('#weak').html('');

    }else if(num == -1){

        $('#weak').css({backgroundColor:'#ffcc33'});

        $('#middle').css({backgroundColor:'#ffcc33'});

        $('#strength').css({backgroundColor:''});

        $('#weak').html('');

        $('#middle').html('中');

        $('#strength').html('');

    }else if(num ==0) {

        $('#weak').css({backgroundColor:'#dd0000'});

        $('#middle').css({backgroundColor:''});

        $('#strength').css({backgroundColor:''});

        $('#weak').html('弱');

        $('#middle').html('');

        $('#strength').html('');

    }else{

        $('#weak').html(' ');

        $('#middle').html(' ');

        $('#strength').html(' ');

        $('#weak').css({backgroundColor:''});

        $('#middle').css({backgroundColor:''});

        $('#strength').css({backgroundColor:''});

    }

}

</script>