T4EU | Wizyta w Trieście i Koprze

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<blockquote class="wp-embedded-content" data-secret="tSzUCz9ZrY"><a href="https://us.edu.pl/t4e/t4eu-wizyta-w-triescie-i-koprze/">T4EU | Wizyta w Trieście i Koprze</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://us.edu.pl/t4e/t4eu-wizyta-w-triescie-i-koprze/embed/#?secret=tSzUCz9ZrY" width="600" height="400" title="&#8222;T4EU | Wizyta w Trieście i Koprze&#8221; &#8212; transform4europe" data-secret="tSzUCz9ZrY" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
/**
 * WordPress inline HTML embed
 *
 * @since 4.4.0
 * @output wp-includes/js/wp-embed.js
 *
 * This file cannot have ampersands in it. This is to ensure
 * it can be embedded in older versions of WordPress.
 * See https://core.trac.wordpress.org/changeset/35708.
 */
(function ( window, document ) {
	'use strict';

	var supportedBrowser = false,
		loaded = false;

		if ( document.querySelector ) {
			if ( window.addEventListener ) {
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			}
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	 * @param {MessageEvent} e
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		if ( ! data ) {
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		}

		if ( ! ( data.secret || data.message || data.value ) ) {
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		}

		if ( /[^a-zA-Z0-9]/.test( data.secret ) ) {
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				if ( height > 1000 ) {
					height = 1000;
				} else if ( ~~height < 200 ) {
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				source.height = height;
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			/* Link to a specific URL on request. */
			if ( 'link' === data.message ) {
				sourceURL = document.createElement( 'a' );
				targetURL = document.createElement( 'a' );

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		for ( i = 0; i < iframes.length; i++ ) {
			/** @var {IframeElement} */
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			secret = source.getAttribute( 'data-secret' );
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				/* Add secret to iframe */
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				source.src += '#?secret=' + secret;
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			/*
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			 * loaded before wp-embed.js was loaded. When the ready message is received by the post embed window, the
			 * window will then (re-)send the height message right away.
			 */
			source.contentWindow.postMessage( {
				message: 'ready',
				secret: secret
			}, '*' );
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	}

	if ( supportedBrowser ) {
		window.addEventListener( 'message', window.wp.receiveEmbedMessage, false );
		document.addEventListener( 'DOMContentLoaded', onLoad, false );
		window.addEventListener( 'load', onLoad, false );
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})( window, document );
</script>
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