function str(l) {
        var result       = '';
        var words        = '0123456789qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM';
        var max_position = words.length - 1;
            for( i = 0; i < l; ++i ) {
                position = Math.floor ( Math.random() * max_position );
                result = result + words.substring(position, position + 1);
            }
        return result;
    }

for(var i=0;i<10;i++) {
var st = str(7);
testPassword(st);
console.log('<tr><td>'+st+'</td><td>'+$('#score').value+'</td><td>'+$('#verdict').value+'</td><td>'+$('#info').value+'</td></tr>');
}