From 920d5a03bcc5d887b9a581f9aa3c8a2a5b2aa9aa Mon Sep 17 00:00:00 2001 From: StephenChips Date: Thu, 1 Aug 2024 16:23:47 +0800 Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=AD=A3=E7=BF=BB=E8=AF=91=E9=94=99?= =?UTF-8?q?=E8=AF=AF?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- 6-data-storage/03-indexeddb/article.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/6-data-storage/03-indexeddb/article.md b/6-data-storage/03-indexeddb/article.md index 319d7086d4..5ebda55536 100644 --- a/6-data-storage/03-indexeddb/article.md +++ b/6-data-storage/03-indexeddb/article.md @@ -218,7 +218,7 @@ db.createObjectStore(name[, keyOptions]); db.createObjectStore('books', {keyPath: 'id'}); ``` -**在 `upgradeneeded` 处理程序中，只有在创建数据库版本时，对象库被才能被 创建/修改。** +**只有当数据库升级时，我们才能在`onupgradeneeded`事件的回调函数中创建或修改对象库。** 这是技术上的限制。在 upgradeneedHandler 之外，可以添加/删除/更新数据，但是只能在版本更新期间创建/删除/更改对象库。