# ee.Array.lt

On an element-wise basis, returns 1 if and only if the first value is less than the second.

<br />

| Usage | Returns |
|---|---|
| `Array.lt(right)` | Array |

| Argument | Type | Details |
|---|---|---|
| this: `left` | Array | The left-hand value. |
| `right` | Array | The right-hand value. |

## Examples

### Code Editor (JavaScript)

```javascript
var empty = ee.Array([], ee.PixelType.int8());
print(empty.lt(empty));  // []

print(ee.Array([0]).lt([0]));  // [0]
print(ee.Array([1]).lt([2]));  // [1]
print(ee.Array([2]).lt([1]));  // [0]

print(ee.Array([-1, 0, 1]).lt([-2, 1, 0]));  // [0,1,0]
```
Python setup

See the [Python Environment](https://developers.google.com/earth-engine/guides/python_install) page for information on the Python API and using
`geemap` for interactive development.

```python
import ee
import geemap.core as geemap
```

### Colab (Python)

```python
empty = ee.Array([], ee.PixelType.int8())
display(empty.lt(empty))  # []

display(ee.Array([0]).lt([0]))  # [0]
display(ee.Array([1]).lt([2]))  # [1]
display(ee.Array([2]).lt([1]))  # [0]

display(ee.Array([-1, 0, 1]).lt([-2, 1, 0]))  # [0, 1, 0]
```