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@@ -2986,6 +2986,9 @@
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// Lazy loading iframes
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toArray( slide.querySelectorAll( 'iframe[data-src]' ) ).forEach( function( el ) {
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+ // Only removing the src doesn't actually unload the frame
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+ // in all browsers (Firefox) so we set it to blank first
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+ el.setAttribute( 'src', 'about:blank' );
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el.removeAttribute( 'src' );
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} );
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}
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