javascript - How to copy to clipboard on Firefox addon popup script? - Stack Overflow

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I've developed a Firefox Addon which has a feature of copying some text automatically when the popup window is open. This works fine on Chrome, but it doesn't work in Firefox, and gives me this error message.

uncaught (in promise) DOMException: clipboard write was blocked due to lack of user activation.

I use the clipboard API to do this.

navigator.clipboard.writeText(data).then(()=>{
    console.log('copied')
})

Any thoughts to bypass this or fix this?

I've developed a Firefox Addon which has a feature of copying some text automatically when the popup window is open. This works fine on Chrome, but it doesn't work in Firefox, and gives me this error message.

uncaught (in promise) DOMException: clipboard write was blocked due to lack of user activation.

I use the clipboard API to do this.

navigator.clipboard.writeText(data).then(()=>{
    console.log('copied')
})

Any thoughts to bypass this or fix this?

• javascript
• firefox
• firefox-addon

Share Improve this question Follow edited Nov 23, 2022 at 19:03 pbarney 2,88344 gold badges3939 silver badges5353 bronze badges asked Sep 23, 2021 at 17:53 ChethiyaKDChethiyaKD 92833 gold badges99 silver badges1919 bronze badges

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1 Answer 1

Sorted by: Reset to default 7

You extensions needs to have the clipboardWrite permission to write to the clipboard without user interaction. https://developer.mozilla/en-US/docs/Mozilla/Add-ons/WebExtensions/manifest.json/permissions#clipboard_access

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