Download trigger — window.location = 'file.pdf'

Click a button: JavaScript sets window.location = '…' to the file URL — a programmatic navigation that becomes a download.

Note: whether the navigation downloads or renders depends on the file. Eicar_com.com (octet-stream) downloads; PDF.pdf (application/pdf) opens inline in the browser's PDF viewer. To force the PDF to download, serve it with Content-Disposition: attachment (see README) and point CLEAN at that object.

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Download trigger — Programmatic window.location