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title: getGlobalId()
collection: developer
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locale: en-us
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canonical_url: https://developer.salesforce.com/docs/platform/aura-platform/guide/ref-jsapi-component-getglobalid.html
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  - Lightning Aura Components Developer Guide
  - Platform Developer Content
---

# getGlobalId()

Gets the global ID, which is the generated globally unique id of the component. It can be used to locate the instance later, but will change across page loads.

## Signature

`getGlobalId()`

**See Also**  


-   [Component IDs](https://developer.salesforce.com/docs/platform/aura-platform/components/components-ids.md)