mongodb remove multiple elements from array code example

Example 1: mongodb add multiple element to array

db.students.update(
   { name: "joe" },
   { $push: { scores: { $each: [ 90, 92, 85 ] } } }
)

Example 2: drop multiple database mongo

// if you have a list of Databases to delete then you may run the following command?


['db1', 'db2', 'db3', 'db4'].forEach(function(i){db.getSiblingDB(i).dropDatabase()})