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Ilya Kantor 2019-07-29 15:39:32 +03:00
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6-data-storage/03-indexeddb/article.md
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@ -678,7 +678,7 @@ In the example above the cursor was made for the object store.
But we also can make a cursor over an index. As we remember, indexes allow to search by an object field. Cursors over indexes to precisely the same as over object stores -- they save memory by returning one value at a time. But we also can make a cursor over an index. As we remember, indexes allow to search by an object field. Cursors over indexes to precisely the same as over object stores -- they save memory by returning one value at a time.
For cursors over indexes, `cursor.key` is the index key (e.g. price), and we should use `cursor.primaryKey` property the object key: For cursors over indexes, `cursor.key` is the index key (e.g. price), and we should use `cursor.primaryKey` property for the object key:
```js ```js
let request = priceIdx.openCursor(IDBKeyRange.upperBound(5)); let request = priceIdx.openCursor(IDBKeyRange.upperBound(5));