JS提取谷歌搜索结果中的URL

var script = document.createElement('script');
script.src = 'https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js';
script.type = 'text/javascript';
document.getElementsByTagName('head')[0].appendChild(script);
var list="";
$("h3").each(function(i){list=list+$(this).closest("a").attr("href")+"\n";});
console.log(list);