null check to avoid occasional npe
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@ -3090,6 +3090,8 @@
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var iframe = event.target;
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if( iframe && iframe.contentWindow ) {
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// YouTube postMessage API
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if( /youtube\.com\/embed\//.test( iframe.getAttribute( 'src' ) ) && iframe.hasAttribute( 'data-autoplay' ) ) {
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iframe.contentWindow.postMessage( '{"event":"command","func":"playVideo","args":""}', '*' );
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@ -3105,6 +3107,8 @@
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}
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}
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/**
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* Stop playback of any embedded content inside of
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* the targeted slide.
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