14 Jul 2025

The Safari browser cannot directly scan the QR code with the camera, but it can be indirectly implemented through the following methods: 1. After taking a picture with your mobile phone, you can use WeChat, Alipay or the system's own code scanning function to identify and copy the link to Safari to open; 2. After taking a screenshot of the QR code, upload it to the online scan website (such as online-barcode-reader.com) to obtain the link and enter it in Safari; 3. Use an iPhone camera to identify the QR code on the Mac screen for identification, and click the notification to open it in Safari. The selection method depends on the source of the QR code and the combination of equipment. Pay attention to protecting privacy information when uploading pictures.

01 Apr 2025

Handle the problem of blank small window after scanning the QR code on WeChat. When using WeChat to scan the QR code on WeChat, we often encounter some unexpected problems. A common...

01 Apr 2025

Regarding the problem that the blank window and the main window are not refreshed after scanning the WeChat QR code to log in, you may encounter such a question when using the WeChat QR code to log in...

27 Mar 2025

Here's the situation: Your site offers a "scroll back to top" button, and you've implemented smooth scrolling. As the page scrolls back to the top, users see

07 Jan 2025

The "Back to Top" button on long pages is a simple yet useful navigation feature. This button allows users to quickly return to the top of the page without scrolling excessively. Check out the Codepen demo below: Full text: Back to top button CSS code snippet with smooth scrolling

12 May 2025

Many iPhone users like to use the Back to Top feature, which quickly scrolls the page to the top, making it easier to read articles, browse information flow, view emails or messages. But not all users are satisfied with this feature. Many users find that the "Back to Top" function is easily touched by mistake, causing trouble. Some users are very convenient to use this feature on older iPhones, but on new iPhones equipped with Dynamic Island, they feel that the operation is not natural enough and even more confusing. There are also users in the Apple discussion area who are dissatisfied with the "Back to Top" feature and want to disable the automatic scrolling, click scrolling and return to top features. Can I disable the Back to Top feature on my iPhone? Is there a way to avoid accidental activation of iPhone screen automatically scrolling to the top

12 May 2025

The iPhone's "Back to Top" gesture is useful: Easily deal with dynamic islands iPhones have long provided a convenient “back to top” gesture: Just tap the top of the screen to quickly get back to the top of long text, email, or web pages. However, iPhone models equipped with Dynamic Island, such as the iPhone 14 Pro, iPhone 15 and iPhone 16 series, make this gesture slightly tricky. The Dynamic Island is located at the top of the screen and integrates a camera, microphone, and real-time information display for various applications (such as music playback, timer, or navigation). The problem is that when users habitually touch the top of the screen, it is easy to accidentally touch the dynamic island, thereby accidentally switching to the dynamic island.

04 Apr 2025

Implementing a back to top button with a smooth transition effect in CSS requires the following steps: Add an element with id="back-to-top"; set the button to fixed positioning, add styles (including initial transparency of 0); set the transparency to 1 when the button is hovered, and add a smooth transition effect; add scroll detection for the button using JavaScript, display the button when scrolling more than 100 pixels, and scroll smoothly to the top when clicking the button.

12 Jul 2025

To add the "Back to Top" button, first create the button element in HTML and set the id, such as ↑ back to top; then set the fixed positioning, lower right corner position and hide the default display through CSS, and add styles such as background color, rounded corners and shadows; then listen to scroll events in JavaScript, and display the button when the scroll distance exceeds the set value (such as 300 pixels), otherwise hide it; finally bind the click event for the button, and use window.scrollTo({top:0, behavior:'smooth'}) to achieve a smooth return to the top effect.