分享js a链接

Google+

javascript:void(window.open('https://plus.google.com/share?ur\l='+encodeURIComponent(location), 'Share to Google+','width=600,height=460,menubar=no,location=no,status=no'));

Twitter

javascript:(function(){window.twttr=window.twttr||{};var D=550,A=450,C=screen.height,B=screen.width,H=Math.round((B/2)-(D/2)),G=0,F=document,E;if(C>A){G=Math.round((C/2)-(A/2))}window.twttr.shareWin=window.open('https://twitter.com/share','','left='+H+',top='+G+',width='+D+',height='+A+',personalbar=0,toolbar=0,scrollbars=1,resizable=1');E=F.createElement('script');E.src='https://platform.twitter.com/bookmarklets/share.js?v=1';F.getElementsByTagName('head')[0].appendChild(E)}());

Facebook

javascript:var d=document,f='https://www.facebook.com/share',l=d.location,e=encodeURIComponent,p='.php?src=bm&v=4&i=1378393915&u='+e(l.href)+'&t='+e(d.title);1;try{if (!/^(.*\.)?facebook\.[^.]*$/.test(l.host))throw(0);share_internal_bookmarklet(p)}catch(z) {a=function() {if (!window.open(f+'r'+p,'sharer','toolbar=0,status=0,resizable=1,width=626,height=436'))l.href=f+p};if (/Firefox/.test(navigator.userAgent))setTimeout(a,0);else{a()}}void(0)

新浪微博

javascript:(function(){window.open('http://v.t.sina.com.cn/share/share.php?title='+encodeURIComponent(document.title)+'&url='+encodeURIComponent(location.href)+'&source=bookmark','_blank','width=450,height=400');})()