Which form?

```js
while (j < this.models.length && comparator( orderedModels[i], this.models[j] ) == 1) j++;
```

```js
while (j < this.models.length && comparator( orderedModels[i], this.models[j] ) == 1)
  j++;
```

```js
while (j < this.models.length && comparator( orderedModels[i], this.models[j] ) == 1) {
  j++;
}
```