Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Tìm kiếm hỗ trợ

Tránh các lừa đảo về hỗ trợ. Chúng tôi sẽ không bao giờ yêu cầu bạn gọi hoặc nhắn tin đến số điện thoại hoặc chia sẻ thông tin cá nhân. Vui lòng báo cáo hoạt động đáng ngờ bằng cách sử dụng tùy chọn "Báo cáo lạm dụng".

Tìm hiểu thêm
Đã giải quyết Đã lưu trữ

Unexpected cursor shown inside focused div

Ken đã trả lời
Ken

I recently noticed a number of places on websites where a cursor would appear in a place where no keyboard input is accepted. I've narrowed it down to this:

Define a div like this: <div tabIndex="1"></div>

Style it like so: div {

 width: 200px;
 height: 100px;
 border: solid 2px red;

} div:focus {

 background-color: lightblue;

}

Click inside the div. It turns blue to show it has focus, but it also shows a cursor at the top-left.

This does not seem to happen when you use <div tabIndex="1" /> and it also doesn't happen in other browsers.

I recently noticed a number of places on websites where a cursor would appear in a place where no keyboard input is accepted. I've narrowed it down to this: Define a div like this: &lt;div tabIndex="1"&gt;&lt;/div&gt; Style it like so: div { width: 200px; height: 100px; border: solid 2px red; } div:focus { background-color: lightblue; } Click inside the div. It turns blue to show it has focus, but it also shows a cursor at the top-left. This does not seem to happen when you use &lt;div tabIndex="1" /&gt; and it also doesn't happen in other browsers.
Đính kèm ảnh chụp màn hình

Được chỉnh sửa bởi Ken vào

Tất cả các câu trả lời (3)

I discovered it doesn't even need to support focus. Just the click on a basic div shows the same.

<html>

 <head>
   <style>
     div {
       width: 200px;
       height: 100px;
       border: solid 2px red;
       padding: 10px;
     }
   </style>
   <title>Unexpected cursor in clicked div</title>
 </head>
 <body>
   <h1>Unexpected cursor in clicked div</h1>
   <ul>
     <li>Click inside the rectangle below.</li>
     <li>
       Expected: Nothing should change.
     </li>
     <li>Actual: A cursor appears at the top-left of the box.</li>
   </ul>
   <div></div>
 </body>

</html>

Được chỉnh sửa bởi Ken vào

Giải pháp được chọn

You may have switched on caret browsing. You can toggle caret browsing off/on by pressing F7 (Mac: fn + F7).

  • Settings -> General -> Browsing
    remove checkmark: [ ] "Always use the cursor keys to navigate within pages"

Note that this is a Firefox accessibility feature.

Ah, there you go. That's exactly what it was. I'm not sure how I had turned that on.

Thanks for the speedy explanation!