method Datastore.isDouble Datastore.isDouble(value?: { }): boolean Helper function to check if something is a Datastore Double object. Examples Example 1 const {Datastore} = require('@google-cloud/datastore'); const datastore = new Datastore(); datastore.isDouble(0.42); // false datastore.isDouble(datastore.double(0.42)); // true Parameters optional value: { } Return Type boolean