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[Home](./index.md) &gt; [rc-js-util](./rc-js-util.md) &gt; [Vec2](./rc-js-util.vec2.md) &gt; [setX](./rc-js-util.vec2.setx.md)

## Vec2.setX() method

**Signature:**

```typescript
setX(_x: number): void;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

\_x


</td><td>

number


</td><td>


</td></tr>
</tbody></table>
**Returns:**

void

