12 lines
584 B
HTML
12 lines
584 B
HTML
<!doctype html>
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<style>
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textarea { height: 4em; font-family: system-ui }
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</style>
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<textarea>Autofill</textarea>
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<script>
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let textarea = SpecialPowers.wrap(document.querySelector("textarea"));
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SpecialPowers.Cc["@mozilla.org/satchel/form-fill-controller;1"].getService(SpecialPowers.Ci.nsIFormFillController).markAsAutoCompletableField(textarea);
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textarea.getBoundingClientRect(); // previewValue setter depends on the reframe posted by markAsAutoCompletableField() having being processed...
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textarea.previewValue = "Autofill";
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textarea.autofillState = "preview";
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</script>
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