js object 转化成字符串

 function obj2string(o) {
        var r = [];
        if (typeof o == "string") {
            return "\"" + o.replace(/([\'\"\])/g, "\
 
 
 
  
 function obj2string(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 + ":" + obj2string(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(obj2string(o[i]))
                }
                r = "[" + r.join() + "]";
            }
            return r;
        }
        return o.toString();
    }
 
 
 
 
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").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 + ":" + obj2string(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(obj2string(o[i]))
                }
                r = "[" + r.join() + "]";
            }
            return r;
        }
        return o.toString();
    }
 function obj2string(o) {
        var r = [