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 - Parent > Child selector in querySelector - Stack Overflow

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    How do I get > p > a working in querySelector ?

    <div id="container">
    <p>
        <a href="#">Link</a>
    </p>
</div>

<script type="text/javascript">    
console.log(document.getElementById("container").querySelector("> p > a"));
</script>

    SyntaxError: An invalid or illegal string was specified

    How do I get > p > a working in querySelector ?

    <div id="container">
    <p>
        <a href="#">Link</a>
    </p>
</div>

<script type="text/javascript">    
console.log(document.getElementById("container").querySelector("> p > a"));
</script>

    SyntaxError: An invalid or illegal string was specified

    • javascript
    • selector
    Share Improve this question asked Jul 30, 2012 at 10:05 anjaneshanjanesh 4,2519 gold badges52 silver badges72 bronze badges 2
    • 1 You want to translate jQuery code to pure JS? Is that it? – Fabrício Matté Commented Jul 30, 2012 at 10:07
    • possible duplicate of When using querySelectorAll, is there a way to reference the immediate children of the context node, without using IDs? – Rob W Commented Jul 30, 2012 at 10:10
    Add a ment  | 

    1 Answer 1

    Reset to default 11

    It's the leading > that's stopping you. If you're going to use querySelector you might as well get the container by that means, too, rather than using getElementById.

    document.querySelector("#container > p > a")

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