}).catch(error => alert(error));
return false;
};
+
+ let imgpreview = document.getElementById('sourcepreview');
+ if (imgpreview) {
+ let imginput = document.getElementById('source');
+ let previewbutton = imginput.parentNode.appendChild(document.createElement('button'));
+ previewbutton.type = 'button';
+ previewbutton.append('View');
+ previewbutton.onclick = () => {
+ previewbutton.childNodes[0].nodeValue = imgpreview.hidden ? 'Hide' : 'View';
+ imgpreview.hidden = !imgpreview.hidden;
+ };
+ }
});