Tự điều chỉnh kích thước quảng cáo đáp ứng Google Adsense

<div id="google-ads-1"></div>
<script type="text/javascript">
/* Calculate the width of available ad space */
ad = document.getElementById('google-ads-1');
if (ad.getBoundingClientRect().width) {
adWidth = ad.getBoundingClientRect().width; // for modern browsers
} else {
adWidth = ad.offsetWidth; // for old IE
}
/* Thay ca-pub-XXX thành AdSense Publisher ID của bạn nhé*/
google_ad_client = "ca-pub-XXX";
/* Thay dãy số 1234567890 thành AdSense Ad Slot ID của quảng cáo bạn nhé */
google_ad_slot = "1234567890";
/* Do not change anything after this line */
if ( adWidth >= 728 )
google_ad_size = ["728", "90"]; /* Leaderboard 728x90 */
else if ( adWidth >= 468 )
google_ad_size = ["468", "60"]; /* Banner (468 x 60) */
else if ( adWidth >= 336 )
google_ad_size = ["336", "280"]; /* Large Rectangle (336 x 280) */
else if ( adWidth >= 300 )
google_ad_size = ["300", "250"]; /* Medium Rectangle (300 x 250) */
else if ( adWidth >= 250 )
google_ad_size = ["250", "250"]; /* Square (250 x 250) */
else if ( adWidth >= 200 )
google_ad_size = ["200", "200"]; /* Small Square (200 x 200) */
else if ( adWidth >= 180 )
google_ad_size = ["180", "150"]; /* Small Rectangle (180 x 150) */
else
google_ad_size = ["125", "125"]; /* Button (125 x 125) */
document.write (
'<ins class="adsbygoogle" style="display:inline-block;width:'
+ google_ad_size[0] + 'px;height:'
+ google_ad_size[1] + 'px" data-ad-client="'
+ google_ad_client + '" data-ad-slot="'
+ google_ad_slot + '"></ins>'
);
(adsbygoogle = window.adsbygoogle || []).push({});
</script>
<script async src="http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js">
</script>