google:
var h3 = document.getElementsByTagName(‘h3‘); for(var i=0;i<h3.length;i++){ var a = h3[i]. getElementsByTagName(‘a‘); console.log(a[0].href); }
bing:
var h3 = document.getElementsByTagName(‘h2‘); for(var i=0;i<h3.length;i++){ var a = h3[i]. getElementsByTagName(‘a‘); console.log(a[0].href); }
原文：http://www.cnblogs.com/photographer/p/7640664.html