Encountered a SyntaxError: Unexpected token "e" while attempting to parse a JSON string

When I attempt to use JSON.parse in order to convert the string below into a JavaScript object, I encounter an "Uncaught SyntaxError: Unexpected token e" error.

{
    "__type": "HRIS.oHRData, HRIES, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null",
    "TPDDListValue": new Ajax.Web.DataSet([]),
    "DPDDListValue": new Ajax.Web.DataSet([]),
    "TopDataValue": new Ajax.Web.DataSet([
        new Ajax.Web.DataTable([
            ["HID","System.String"],
            ["HFrName0","System.String"],
            ["HFtName0","System.String"],
            ["HGFName0","System.String"],
            ["HFmName0","System.String"],
            ["TID","System.Byte"]
        ],[
            ["123456789","ABCD1","ABCD2","ABCD3 ","ABCD4",2]
        ])
    ]),
    "DownDataValue": new Ajax.Web.DataSet([]),
    "MenuDataValue": new Ajax.Web.DataSet([]),
    "SearchReturnValue": new Ajax.Web.DataSet([]),
    "Result": null,
    "NewID": "NoID",
    "AffectedRecords": 0
}

This is the code snippet that I am using:

var text= 'the json string here';

var obj=JSON.parse(text);

I suspect that the problem lies in JSON's inability to recognize the type of new Ajax.Web.DataSet([])

If you have any suggestions on how to resolve this issue, please share them with me.

Your input is highly appreciated.

Thank you very much,

javascriptjson

Answer №1

When inserting this code snippet, remember that you do not need quotation marks and there is no need to parse it:

let myObject = {
    "__type": "HRIS.oHRData, HRIES, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null",
    "TPDDListValue": new Ajax.Web.DataSet([]),
    "DPDDListValue": new Ajax.Web.DataSet([]),
    "TopDataValue": new Ajax.Web.DataSet([
        new Ajax.Web.DataTable([
            ["HID","System.String"],
            ["HFrName0","System.String"],
            ["HFtName0","System.String"],
            ["HGFName0","System.String"],
            ["HFmName0","System.String"],
            ["TID","System.Byte"]
        ],[
            ["123456789","ABCD1","ABCD2","ABCD3 ","ABCD4",2]
        ])
    ]),
    "DownDataValue": new Ajax.Web.DataSet([]),
    "MenuDataValue": new Ajax.Web.DataSet([]),
    "SearchReturnValue": new Ajax.Web.DataSet([]),
    "Result": null,
    "NewID": "NoID",
    "AffectedRecords": 0
};

It is important to note that the Ajax object must be available for this code to function properly.

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