---
title: createIndex
framework: webkitjs
role: symbol
role_heading: Instance Method
path: webkitjs/idbobjectstore/1630021-createindex
---

# createIndex

## Declaration

```data
IDBIndex createIndex(
    DOMString name, 
    (DOMString or sequence<DOMString>) keyPath, 
    optional IDBIndexParameters options
);
```