if (typeof JSON !== "object") {
    JSON = {};
}(function () {
    "use strict";
    var rx_one = /^[\],:{}\s]*$/;
    var rx_two = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
    var rx_three = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
    var rx_four = /(?:^|:|,)(?:\s*\[)+/g;
    var rx_escapable = /[\\"\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
    var rx_dangerous = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
 
    function f(n) {
        return n < 10 ? "0" + n : n;
    }
 
    function this_value() {
        return this.valueOf();
    }
    if (typeof Date.prototype.toJSON !== "function") {
        Date.prototype.toJSON = function () {
            return isFinite(this.valueOf()) ? this.getUT*FlYear() + "-" + f(this.getUTCMonth() + 1) + "-" + f(this.getUTCDate()) + "T" + f(this.getUTCHours()) + ":" + f(this.getUTCMinutes()) + ":" + f(this.getUTCSeconds()) + "Z" : null;
        };
        Boolean.prototype.toJSON = this_value;
        Number.prototype.toJSON = this_value;
        String.prototype.toJSON = this_value;
    }
    var gap;
    var indent;
    var meta;
    var rep;
 
    function quote(string) {
        rx_escapable.lastIndex = 0;
        return rx_escapable.test(string) ? "\"" + string.replace(rx_escapable, function (a) {
            var c = meta[a];
            return typeof c === "string" ? c : "\\u" + ("0000" + a.charCodeAt(0).toString(16)).slice(-4);
        }) + "\"" : "\"" + string + "\"";
    }
 
    function str(key, holder) {
        var i;
        var k;
        var v;
        var length;
        var mind = gap;
        var partial;
        var value = holder[key];
        if (value && typeof value === "object" && typeof value.toJSON === "function") {
            value = value.toJSON(key);
        }
        if (typeof rep === "function") {
            value = rep.call(holder, key, value);
        }
        switch (typeof value) {
        case "string":
            return quote(value);
        case "number":
            return isFinite(value) ? String(value) : "null";
        case "boolean":
        case "null":
            return String(value);
        case "object":
            if (!value) {
                return "null";
            }
            gap += indent;
            partial = [];
            if (Object.prototype.toString.apply(value) === "[object Array]") {
                length = value.length;
                for (i = 0; i < length; i += 1) {
                    partial[i] = str(i, value) || "null";
                }
                v = partial.length === 0 ? "[]" : gap ? "[\n" + gap + partial.join(",\n" + gap) + "\n" + mind + "]" : "[" + partial.join(",") + "]";
                gap = mind;
                return v;
            }
            if (rep && typeof rep === "object") {
                length = rep.length;
                for (i = 0; i < length; i += 1) {
                    if (typeof rep[i] === "string") {
                        k = rep[i];
                        v = str(k, value);
                        if (v) {
                            partial.push(quote(k) + (gap ? ": " : ":") + v);
                        }
                    }
                }
            } else {
                for (k in value) {
                    if (Object.prototype.hasOwnProperty.call(value, k)) {
                        v = str(k, value);
                        if (v) {
                            partial.push(quote(k) + (gap ? ": " : ":") + v);
                        }
                    }
                }
            }
            v = partial.length === 0 ? "{}" : gap ? "{\n" + gap + partial.join(",\n" + gap) + "\n" + mind + "}" : "{" + partial.join(",") + "}";
            gap = mind;
            return v;
        }
    }
    if (typeof JSON.stringify !== "function") {
        meta = {
            "\b": "\\b",
            "\t": "\\t",
            "\n": "\\n",
            "\f": "\\f",
            "\r": "\\r",
            "\"": "\\\"",
            "\\": "\\\\"
        };
        JSON.stringify = function (value, replacer, space) {
            var i;
            gap = "";
            indent = "";
            if (typeof space === "number") {
                for (i = 0; i < space; i += 1) {
                    indent += " ";
                }
            } else if (typeof space === "string") {
                indent = space;
            }
            rep = replacer;
            if (replacer && typeof replacer !== "function" && (typeof replacer !== "object" || typeof replacer.length !== "number")) {
                throw new Error("JSON.stringify");
            }
            return str("", {
                "": value
            });
        };
    }
    if (typeof JSON.parse !== "function") {
        JSON.parse = function (text, reviver) {
            var j;
 
            function walk(holder, key) {
                var k;
                var v;
                var value = holder[key];
                if (value && typeof value === "object") {
                    for (k in value) {
                        if (Object.prototype.hasOwnProperty.call(value, k)) {
                            v = walk(value, k);
                            if (v !== undefined) {
                                value[k] = v;
                            } else {
                                delete value[k];
                            }
                        }
                    }
                }
                return reviver.call(holder, key, value);
            }
            text = String(text);
            rx_dangerous.lastIndex = 0;
            if (rx_dangerous.test(text)) {
                text = text.replace(rx_dangerous, function (a) {
                    return "\\u" + ("0000" + a.charCodeAt(0).toString(16)).slice(-4);
                });
            }
            if (rx_one.test(text.replace(rx_two, "@").replace(rx_three, "]").replace(rx_four, ""))) {
                j = eval("(" + text + ")");
                return (typeof reviver === "function") ? walk({
                    "": j
                }, "") : j;
            }
            throw new SyntaxError("JSON.parse");
        };
    }
}());


      function html_decode() {
        var cgiData = {
        app_update_time: "1718678505"
      };
        return JSON.stringify(cgiData);
      };

上面内容扔常量里，下面是易语言调用代码：

调试输出 (编码_运行JS代码 (#常量5, “html_decode”))