js实现的密码强度检测的两个实例

< 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>/