MongoDB Record Delete using JavaScript

I am trying to delete a bunch of records from MongoDB, but am having some issues with my JavaScript. It seems to go through the first 10 records and stop. Here is what I have so far:

function getObjectIDs() {
          var IDs = db.mycollection.find({log:{$lt:ISODate('2013-06-01T00:23:24.154Z')}}, {_id:1});
          return IDs;
}

function removeID(db, userId) {

          db.mysecondcollection.remove({user:userId});

}

var IDs = getObjectIDs();

IDs.forEach(function(ID) {
          removeID(db, ID._ID);
});

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Can anyone see what I may be doing wrong?
c0mradAsked:
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leakim971Connect With a Mentor PluritechnicianCommented:
in the mongo console what do you get with the following :

db.mycollection.find({log:{$lt:ISODate('2013-06-01T00:23:24.154Z')}}, {_id:1}).length;

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