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 - Problems in switching to TypeScript in React application - Stack Overflow

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    I need to switch my React app Components to Typescript.

    I installed TS package and created a tsconfig.json file, react-app-env.d.ts files. And I also changed the extension from .js to .tsx. But in one of ponents I have an error. For example: in <div>

    <div class="main-div">
    <div class="panel">
    <h2>Вхід</h2>
   </div>
</div>

    Type '{ children: Element[]; class: string; }' is not assignable to type 'DetailedHTMLProps, HTMLDivElement>'. Property 'class' does not exist on type 'DetailedHTMLProps, HTMLDivElement>'.ts(2322)

    I need to switch my React app Components to Typescript.

    I installed TS package and created a tsconfig.json file, react-app-env.d.ts files. And I also changed the extension from .js to .tsx. But in one of ponents I have an error. For example: in <div>

    <div class="main-div">
    <div class="panel">
    <h2>Вхід</h2>
   </div>
</div>

    Type '{ children: Element[]; class: string; }' is not assignable to type 'DetailedHTMLProps, HTMLDivElement>'. Property 'class' does not exist on type 'DetailedHTMLProps, HTMLDivElement>'.ts(2322)

    • javascript
    • reactjs
    • typescript
    Share Improve this question edited Jan 9, 2019 at 15:09 Liam 29.7k28 gold badges138 silver badges200 bronze badges asked Jan 9, 2019 at 15:00 Yura MorozovYura Morozov 4311 gold badge5 silver badges7 bronze badges 4
    • 4 it should be className="main-div" not class – Thomas Commented Jan 9, 2019 at 15:04
    • 2 It literally tells you what the problem is Property 'class' does not exist – Liam Commented Jan 9, 2019 at 15:06
    • But I have the same problem with label. <label for="remember-me" className="remember"> <span>Запам'ятати</span> <span><input id="remember-me" name="remember-me" type="checkbox"/></span> </label> – Yura Morozov Commented Jan 9, 2019 at 15:10
    • 1 Use htmlFor instead for in JSX templates. – Timo Commented Jan 9, 2019 at 15:13
    Add a ment  | 

    3 Answers 3

    Reset to default 14

    The problem is that certain HTML attributes are also reserved words in Javascript, so to avoid problems, JSX syntax uses slightly different attributes from pure HTML.

    The main two you're having trouble with are:

    • class is now className
    • for is now htmlFor

    So your question would be:

    <div className="main-div">
    <div className="panel">
    <h2>Вхід</h2>
   </div>
</div>

    And the label you posted in a ment would be:

    <label htmlFor="remember-me" className="remember">
    <span>Запам'ятати</span>
    <span><input id="remember-me" name="remember-me" type="checkbox"/></span> 
</label>

    You are missing a closing </div> and the property is not class, but className

    yo!

    change class to className !

    <div className="main-div">
    <div className="panel">
       <h2>Вхід</h2>
    </div>
</div>

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