function recdecode(url)
{
    url+="";
    var original_string = url;
    if(url.toLowerCase().includes("https"))
    {
        url = decodeURIComponent(url);
        if(url === original_string)
        return url;
        else 
        return recdecode(url)

    }
    else
    {
        return url;
    }

}

//Test function recdecode()

// url data
let uri = "https://w3schools.com/mytest.asp?name=stale&car=saab";

/// Test unencoded data
let uri_enc = uri;
console.log("Unencoded Link test output" + recdecode(uri_enc));

//test multiple encodings
console.log("URI: "+uri);
uri_enc = encodeURIComponent(uri);
console.log("encURI: "+uri_enc);
uri_enc = encodeURIComponent(uri_enc);
console.log("encURI: "+uri_enc);
uri_enc = encodeURIComponent(uri_enc);
console.log("encURI: "+uri_enc);
console.log("Multiple encodings output: " + recdecode(uri_enc));

// integer 0 test
uri_enc = 0;
console.log("Integer 0 test output: " + recdecode(uri_enc));

// null data test
uri_enc = null;
console.log("Null 0 test output: " + recdecode(uri_enc));

// undefined data test
uri_enc = undefined;
console.log("Undefined test output: " + recdecode(uri_enc));

// Object data test
uri_enc = {"test":1,"sec":"test"};
console.log("Object test output: " + recdecode(uri_enc));