yui/yui3 — comment on commit 56b83601c5859a12922711e7e16516dfcaa259cd
File: src/datatable/js/mutable.js line 356
By ericf:

Related to [my comment above](https://github.com/yui/yui3/commit/56b83601c5859a12922711e7e16516dfcaa259cd#commitcomment-924245), does calling `modifyRow()` imply that the data entity backing the model already exists, i.e. Update in CRUD and not Create? If so:

```javascript
!model.isNew() && model.save.apply(model, args);
```

Otherwise there might be an unintended POST to the server that results in creating a new entry in the db.