How Drop Multiple Collections From Mongo
var collectionsToDrop = ["collection1", "collection2", "collection3"];
collectionsToDrop.forEach(function(collectionName)
{
db[collectionName].drop();
});
var collectionsToDrop = ["collection1", "collection2", "collection3"];
collectionsToDrop.forEach(function(collectionName)
{
db[collectionName].drop();
});