js怎么获取网页地址后面？的参数

Question

js怎么获取网页地址后面？的参数

Answer 1

function getUrlParam(param) {    var val = decodeURIComponent((new RegExp('[?|&]' + param + '=' + '([^&;]+?)(&|#|;|$)').exec(location.search) || [, ""])[1].replace(/\+/g, '%20')) || null;    return val;  }