javascript对象转json
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<html> <head></head> <body> <script type="text/javascript"> function obj2str(o) { var r = []; if (typeof o == "string") return "\"" + o.replace(/([\'\"\\])/g, "\\$1").replace(/(\n)/g, "\\n").replace(/(\r)/g, "\\r").replace(/(\t)/g, "\\t") + "\""; if (typeof o == "object") { if (!o.sort) { for ( var i in o) r.push(i + ":" + obj2str(o[i])); if (!!document.all && !/^\n?function\s*toString\(\)\s*\{\n?\s*\[native code\]\n?\s*\}\n?\s*$/ .test(o.toString)) { r.push("toString:" + o.toString.toString()); } r = "{" + r.join() + "}" } else { for ( var i = 0; i < o.length; i++) r.push(obj2str(o[i])) r = "[" + r.join() + "]" } return r; } return o.toString(); } var info=new Object(); info.name="haoning"; info.age="18"; var cardinfo= new Object(); cardinfo.num=123123131; cardinfo.type="user card"; info.card=cardinfo alert(obj2str(info)); </script> </body> </html>