//截取newsid
var path = "/397.news.detail.dhtml?news_id=13563";
var n_index = path.indexOf("news_id=");//news_id=首次出现的位置
var news_id = path.substring(n_index+8);//截取news_id
console.log(news_id); //打印返回13563
js截取news_id的值
//截取newsid
var path = "/397.news.detail.dhtml?news_id=13563";
var n_index = path.indexOf("news_id=");//news_id=首次出现的位置
var news_id = path.substring(n_index+8);//截取news_id
console.log(news_id); //打印返回13563
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