@@ -4054,7 +4054,10 @@
// If, after clicking a link or similar and we're coming back,
// focus the document.body to ensure we can use keyboard shortcuts
if( isHidden === false && document.activeElement !== document.body ) {
- document.activeElement.blur();
+ // Not all elements support .blur() - SVGs among them.
+ if (typeof document.activeElement.blur === 'function') {
+ document.activeElement.blur();
+ }
document.body.focus();
}