Checkout iframe Copy Function Support Description
1. Issue#
After the checkout page is embedded into your iframe, the copy function fails in H5 environments. This is caused by browser security restrictions on clipboard access inside iframes.
2. Required Fix!!!#
1. Add permission to the iframe#
2. If sandbox is used (mandatory)#
3. Key Point:#
Without allow-clipboard-write → copying will definitely fail in H5 environments, including iOS / Android / WeChat browser.4. Explanation:#
This is a browser security restriction, not a code issue. Adding the above permissions will restore copy functionality.5. If copying still does not work (troubleshooting):#
If the issue persists after applying the fix, please check:Whether the page is served over HTTPS (required)
Whether the copy action is triggered by a user gesture (click event)
Whether the parent page is intercepting click/touch events
Whether the iframe is cross-origin (some browsers impose stricter restrictions)
Modified at 2026-05-29 14:37:51
