te')); return $arr; } /* 遍历用户所有主题 * @param $uid 用户ID * @param int $page 页数 * @param int $pagesize 每页记录条数 * @param bool $desc 排序方式 TRUE降序 FALSE升序 * @param string $key 返回的数组用那一列的值作为 key * @param array $col 查询哪些列 */ function thread_tid_find_by_uid($uid, $page = 1, $pagesize = 1000, $desc = TRUE, $key = 'tid', $col = array()) { if (empty($uid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('uid' => $uid), array('tid' => $orderby), $page, $pagesize, $key, $col); return $arr; } // 遍历栏目下tid 支持数组 $fid = array(1,2,3) function thread_tid_find_by_fid($fid, $page = 1, $pagesize = 1000, $desc = TRUE) { if (empty($fid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('fid' => $fid), array('tid' => $orderby), $page, $pagesize, 'tid', array('tid', 'verify_date')); return $arr; } function thread_tid_delete($tid) { if (empty($tid)) return FALSE; $r = thread_tid__delete(array('tid' => $tid)); return $r; } function thread_tid_count() { $n = thread_tid__count(); return $n; } // 统计用户主题数 大数量下严谨使用非主键统计 function thread_uid_count($uid) { $n = thread_tid__count(array('uid' => $uid)); return $n; } // 统计栏目主题数 大数量下严谨使用非主键统计 function thread_fid_count($fid) { $n = thread_tid__count(array('fid' => $fid)); return $n; } ?>JavaScript for Loop - Stack Overflow
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JavaScript for Loop - Stack Overflow

programmeradmin3浏览0评论

Write odd numbers from 1 to 100.. And I used this piece of code for this:

var i=1;
for (i=1; i < 51; i = i + 1){

 document.write(i -1 + i );
  document.write("<br />");
  }

Now, can somebody please tell me if this code is right or I can make it better.

Write odd numbers from 1 to 100.. And I used this piece of code for this:

var i=1;
for (i=1; i < 51; i = i + 1){

 document.write(i -1 + i );
  document.write("<br />");
  }

Now, can somebody please tell me if this code is right or I can make it better.

Share Improve this question edited Oct 20, 2012 at 9:15 Mat 207k41 gold badges401 silver badges416 bronze badges asked Jun 13, 2012 at 11:00 Azib YaqoobAzib Yaqoob 371 gold badge2 silver badges5 bronze badges 1
  • Perhaps its worth a read of this question -> stackoverflow./questions/802854/… – Undefined Commented Jun 13, 2012 at 11:01
Add a ment  | 

3 Answers 3

Reset to default 9
for (var i=1; i < 100; i += 2){
  document.write(i);
  document.write("<br />");
}

http://jsfiddle/kX8hn/

for (var i=1; i <= 100; i += 2)
    document.write(i + "<br />");

It's wrong and you can make it better. Start at 1 and count up to 100 in increments of 2:

for (var i=1; i < 100; i += 2){
  document.write(i);
  document.write("<br />");
}

The usual caveats about document.write() apply.

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