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; } ?>html - How to hide all divs with JavaScript? - Stack Overflow

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    I am wondering how I can hide all divs on the page only using JavaScript, I cannot use jQuery. Is there a way to do this without using the arrays that es with document.getElementByTag? Or if there is not, could you show me how to hide all?

    I am wondering how I can hide all divs on the page only using JavaScript, I cannot use jQuery. Is there a way to do this without using the arrays that es with document.getElementByTag? Or if there is not, could you show me how to hide all?

    • javascript
    • html
    Share Improve this question edited Nov 15, 2021 at 9:57 Tomerikoo 19.4k16 gold badges54 silver badges67 bronze badges asked Aug 28, 2012 at 21:01 eatonphileatonphil 13.7k30 gold badges79 silver badges141 bronze badges 0
    Add a ment  | 

    3 Answers 3

    Reset to default 10

    Use getElementsByTagName() to get a list of all div elements, and then set their CSS display property to none:

    var divs = document.getElementsByTagName("div");
for (var i = 0; i < divs.length; i++) {
  divs[i].style.display = 'none';        
}
    <div>sads</div>
<div>sads</div>
<span>not a div</span>

    You will need to use document.getElementsByTagName, and then use a for loop to process all of the elements:

    var divs = document.getElementsByTagName('div');
for(var i = 0; i < divs.length; i++) {
  divs[i].style.display = "none";
}

    Just to put out a totally different solution here.

    You could set a CSS class to your body, like this

    body.hideDivs DIV {
    display: none;
}

document.body.className = "hideDivs";

    But this would hide everything inside those divs also, which might not be what you are going for here.

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