如何使用XHR获得SpreadSheet Google？

Question

I'm trying to get Spreadsheet data Google. So, to do this, I've seen the Query Language Reference and basic information about Query object and, in this second link, it appears the "fast" info to realize a query. The problem is that, because of my JS skills, I don't understand opt_options parameter of the google.visualization.Query function.

I mean, I know that I have to send my query to get the data, but I don't know how to do it because the sendMethod description of opt_parameters doesn't seems me sufficiently detailed for write the JS code whether I want use the XHR method.

Also I've seen that I can include the query in the SpreadSheet link. Anyways, I only want to get the data transformed into JSON data or something that I can manipulate.

I consider that this question can be useful for this people like me that are beginning to get data from other pages and don't know how to do it exactly.

PD: Yes, I've read XMLHttpRequest info from MDN.

EDIT: I've supposed that Query object send XHR and I only have to concern me for send method of Query and its callback that is an instance of QueryResponse class. The problem is that I don't retrieve anything! Here is my code once again:

var query;

function getData(DATA_SOURCE_URL){
    query = new google.visualization.Query(DATA_SOURCE_URL);
    query.setTimeout(10);
    query.send(displayData);
    console.log("Query has been sent");
}

function displayData(response){ //This function doesn't works
    if(response.isError()){
        console.log(response.getDetailedMessage());
    }
    var data = response.getDataTable();
    alert(data);
}

Thanks in advance!

Answer 1

(Posted answer on behalf of the OP).

Finally I got rid of Query Language Reference and all stuff about Google and I discovered TableTop to request data from spreadsheets. It's very easy to use and its documentation is simple and concise. My main aim was bring data from a spreadsheet to my JS application.