如何检索拆分的值并将它们放入单独的变量中

so i am working on a project with node.js, express, mongo, socket.io. I was able to retrieve the geolocation coordinates and place them into a hidden input field and then pass it along to the server to be able to save it into the db. The problem is that it will save empty. So my solution is that i created a json object ( so i am working on a project with node.js, expr