PDFPageElement: signatures property

Value

A boolean value: the effective one, also when the page inherits it.

The attribute is multi-homed: when the page has none, it follows its <pdf-file>, then the WebPDF <script>. Reading the property gives the effective value, its own or inherited.

With signatures, every signature field on the page gets a compact card under it (or beside a tall field), and signatures without a visible field get cards in the page's top right corner. Clicking a card opens the full card above the page. Without it, the fields keep their focusable hotspots, which open the full card too.

Setting false writes signatures=-; null removes the attribute. With controls, Alt S toggles the page's cards and Alt Shift S the file's.

Examples

Showing signature cards

The demo file is signed by a demo authority; trusting its root makes the signatures verify.

HTML

<pdf-file id=s src=//new.webpdf.pro/signed.pdf trust:src=//new.webpdf.pro/demo-root.pem></pdf-file>
<pdf-page of=s signatures scale=0.6></pdf-page>

Result

Specifications

Not part of any specification. <pdf-file> and <pdf-page> are autonomous custom elements defined by WebPDF.pro. It implements:

Browser compatibility

See also

• Verifying signatures
• PDFFileElement.signatures
• signature