var qs = parseQueryString(window.location.href),origin; $().ready(function(){ origin = qs.origin; document.title = detail_json[origin].title; $(".detail_content").html(detail_json[origin].content) }) function parseQueryString(url) { var urlObj = {}; var reg = /([^?=&]+)=([^?=&]+)/g; url.replace(reg, function($0, $1, $2) { urlObj[$1] = decodeURIComponent($2); }) return urlObj; }