utils/bulk.change.js
function BulkChange(model) {
        this.model = model;
        this.bulk = model.collection.initializeUnorderedBulkOp();
        this.isChange = false;
    }
function BulkChange(model) {
        this.model = model;
        this.bulk = model.collection.initializeUnorderedBulkOp();
        this.isChange = false;
    }
function BulkChange ( model ) { this . model = model ; this . bulk = model . collection . initializeUnorderedBulkOp ( ) ; this . isChange = false ; }
Constructor used to start the undordered bulk operation
@param model
@constructor
Constructor used to start the undordered bulk operation