mongoose insert method code example
Example 1: node mongoose save document
// Example for a model called Person with two properties, e.g. name, surname
// Values to be saved
const person = { name: Jane, surname: Doe};
// you can access the _id property from savedPerson variable (savedPerson._id)
savedPerson = await new Person(person).save()
Example 2: mongoose add document
const Product = require('../models/product.js');
const product = new Product();
product.save()
.then(doc => {})
.catch(err => {});