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/**
 * 6 ¼¶Ç¿¶ÈÉèÖã¨Êý×Ö¡¢´óд×Öĸ¡¢Ð¡Ð´×Öĸ¡¢ÌØÊâ×Ö·û¡¢³¤¶È>=6¡¢³¤¶È>=10£©
 * Èç¹ûÃÜÂëΪ¿Õ£¬·µ»Ø 0
 */
function __pwdStrength(pwd) {
    var sum = [0, 0, 0, 0];
    for (var i=0; i<pwd.length; i++) {
        var c = pwd.charCodeAt(i);
        if (c >=48 && c <=57)  //Êý×Ö
            sum[0] = 1;
        else if (c >=65 && c <=90) //´óд×Öĸ
            sum[1] = 1;
        else if (c >=97 && c <=122) //Сд×Öĸ
            sum[2] = 1;
        else //ÌØÊâ×Ö·û
            sum[3] = 1;
    }
    var level = sum[0] + sum[1] + sum[2] + sum[3];
    if (pwd.length >= 6)  level++;
    if (pwd.length >= 10) level++;
    return level;
}
function __pwdStrength_name(pwd) {
    var names = [ '¿Õ', 'Ì«Èõ', 'Èõ', '½ÏÈõ', 'ÖÐ', '½ÏÇ¿', 'Ç¿'];
    var level = __pwdStrength(pwd);
    var result = names[level];
    if (!result) result = names[6];
    return result;
}
function __pwdStrength_color(pwd) {
    var names = [ '#000000', '#FF0000', '#E89097', '#800080', '#0000FF', '#00FF00', '#008000'];
    var level = __pwdStrength(pwd);
    var result = names[level];
    if (!result) result = names[6];
    return result;
}
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