# touchDown

Begin a finger contact without releasing it.

```js
touchDown(finger, x, y)
```

## Arguments

| Argument | Type | Meaning |
| --- | --- | --- |
| `finger` | number | Reuse the same identifier throughout the gesture. |
| `x, y` | number | Native screen pixels. |

## Returns

No return value (`undefined`).

## Example

```js
// Coordinates must belong to the current screen.
touchDown(1, 100, 300);
try {
  touchMove(1, 100, 250);
} finally {
  touchUp(1, 100, 250);
}
```

## Notes

Coordinate examples are illustrative, not portable selectors.

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