Change Record Status in CRM 2016 through Webapi in javascript

In the below code i am deactivating account record to Inactive

function decativateRecordThroughWebapi() {



    var entityId = Xrm.Page.data.entity.getId();

    var clientURL = Xrm.Page.context.getClientUrl();

    entityId = entityId.replace("{","");

    entityId = entityId.replace("}", "");



    var req = new XMLHttpRequest();

    var odataQuery = encodeURI(clientURL + "/api/data/v8.0/accounts(" + entityId + ")");

    req.open("PATCH", odataQuery, false);

    req.setRequestHeader("Accept", "application/json");

    req.setRequestHeader("Content-Type", "application/json; charset=utf-8");

    req.setRequestHeader("OData-MaxVersion", "4.0");

    req.setRequestHeader("OData-Version", "4.0");

    //Parameters

    var account = {};

    account["statecode"] = 1; // State code value

    account["statuscode"] = 2; //  status reason Value



    req.send(JSON.stringify(account));



    if (req.readyState == 4) {

        if (req.status == 204) {



            alert("Success");

        } else {

            var error = JSON.parse(req.response).error;

            alert(error.message);

        }



    }



}