[JS] facebook sharing code on pc and mobile devise

之前一個專案要作手機板網站的FB連結分享功能，弄很久的code，
後來才發現同樣是分享按鈕，但是手機的寫法跟桌機不一樣給大家參考。



 hi! every one,I m coding mobile website using that code not work,but same code work on desk pc is fine

<!--Facebook sharing(HTML)--><a target="_blank" href="http://www.facebook.com/share.php?u=your url"><img title="share to fb！" src="pic url" border="0" width="20" /></a>

<!--Facebook sharing(JavaScript)--><a href="javascript: void(window.open('http://www.facebook.com/share.php?u='.concat(encodeURIComponent(location.href)) ));"><img title="share to fb！" src="pic url" border="0" width="20" /></a>

I still get the error message from facebook
finally I find different code working on my mobile devise
you can try it,I think it should work

<!--Facebook sharing(for mobile)--><a target="_blank" href="http://m.facebook.com/sharer.php?u=http://your_url.com"><img title="share to fb" src="pic url" border="0" /></a>


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