javascript-仅从document.referrer获取域 [英] javascript - get domain ONLY from document.referrer

问题描述

我只想从引荐来源网址获取域.我通常会获得的引荐来源网址是http://www.davidj.com/pages/flyer.asp& http://www.ronniej.com/linkdes.com/?adv=267&loc=897

I would like to get ONLY the domain from the referrer urls. The referrer urls I mostly get are http://www.davidj.com/pages/flyer.asp & http://www.ronniej.com/linkdes.com/?adv=267&loc=897

每当获得上述引用网址时，我只想获取域示例: http://www.davidj.com

Whenver I get referrer urls like the above, I just want to get the domain example: http://www.davidj.com

我尝试使用.split方法，但使用时遇到问题.

I have tried using the .split method but i am having trouble using it.

推荐答案

var url = "http://www.ronniej.com/linkdes.com/?adv=267&loc=897"
var referrer =  url.match(/:\/\/(.[^/]+)/)[1];

http://jsfiddle.net/hyjcD/

if (document.referrer) {
   url = document.referrer; 
   ref = url.match(/:\/\/(.[^/]+)/)[1];
}

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