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Fix wrong variables names.

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This commit is contained in:
Denis Ivanov 2020-09-28 17:02:28 +03:00
parent f489145731
commit af95ad1570
1 changed files with 3 additions and 3 deletions
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6
6-data-storage/03-indexeddb/article.md
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@ -551,7 +551,7 @@ openRequest.onupgradeneeded = function() {
// we must create the index here, in versionchange transaction // we must create the index here, in versionchange transaction
let books = db.createObjectStore('books', {keyPath: 'id'}); let books = db.createObjectStore('books', {keyPath: 'id'});
*!* *!*
let index = inventory.createIndex('price_idx', 'price'); let index = books.createIndex('price_idx', 'price');
*/!* */!*
}; };
``` ```
@ -698,7 +698,7 @@ let request = priceIdx.openCursor(IDBKeyRange.upperBound(5));
request.onsuccess = function() { request.onsuccess = function() {
let cursor = request.result; let cursor = request.result;
if (cursor) { if (cursor) {
let key = cursor.primaryKey; // next object store key (id field) let primaryKey = cursor.primaryKey; // next object store key (id field)
let value = cursor.value; // next object store object (book object) let value = cursor.value; // next object store object (book object)
let key = cursor.key; // next index key (price) let key = cursor.key; // next index key (price)
console.log(key, value); console.log(key, value);
@ -718,7 +718,7 @@ Let's use a thin promise wrapper <https://github.com/jakearchibald/idb> further
Then, instead of `onsuccess/onerror` we can write like this: Then, instead of `onsuccess/onerror` we can write like this:
```js ```js
let db = await idb.openDb('store', 1, db => { let db = await idb.openDB('store', 1, db => {
if (db.oldVersion == 0) { if (db.oldVersion == 0) {
// perform the initialization // perform the initialization
db.createObjectStore('books', {keyPath: 'id'}); db.createObjectStore('books', {keyPath: 'id'});