jquery extension.

jQuery.encodeJSON.js

jQuery.encodeJSON = function ($) {
	
	var enc = function (data) {
		var res = "", a, b;
		switch (typeof data) {		
			case "number" :
				return data + "";
			
			case "string" :
				res = escape(data);
				res = res.replace(/%[^%]+/g, function (c) {
					return c.replace(/%u?/, function () {
						var res = "\\u";
						for (var a = 0; a < (4 + 1) - c.length; a ++) {
							res += "0";
						}
						return res;
					});
				});
				return "\"" + res + "\"";
			
			case "object" :
				if ($.isArray(data)) {
					res = "";
					for (a = 0; a < data.length; a ++) {
						if (a) {
							res += ",";
						}
						res += enc(data[a]);
					}
					return "[" + res + "]";
				}
				
				else if (data === null) {
					return "null";
				}
				
				else {
					b = 0;
					res = "";
					for (a in data) {
						if (data.hasOwnProperty(a)) {
							b ? (res += ",") : (b ++);
							res += enc(a);
							res += ":";
							res += enc(data[a]);
						}
					}
					return "{" + res + "}";
				}
			
			case "boolean":
				return data ? "true" : "false";
			
			default :
				return enc(null);
		}
	};
		
	return enc;
}(jQuery);