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How to retrieve 20,000 documents from firestore database using javascript

I am having a firestore database, where it having a collection named emails. In emails it is having thousands of documents with dynamically created DocumentId's but i need to retrieve the data from each & every document.

tried syntax :- db.collection("emails").get().then((snapshot) => {});

example:-

emails - 001H2rmjHGOE4joI9kZQ58e9ET93 - name,age,phoneNumber 00L9cjByEHPmzJpBfhSvuRaiKk42- name,age,phoneNumber i need all the phoneNumbers from every document by using javascript.

Via Active questions tagged javascript - Stack Overflow https://ift.tt/2FdjaAW
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