HTML 5本機儲存子網域的大小限制

HTML5的localStorage資料庫有大小限制。標準大小為每個域5或10MB。建議每個來源限制為5MB。

以下已說明−

User agents should guard against sites storing data under their origin's other
affiliated sites, e.g. storing up to the limit in a1.example.com,a2.example.com,
a3.example.com, etc, circumventing the mainexample.com storage limit.

對於尺寸限制 −

A mostly arbitrary limit of five megabytes per origin is suggested.
Implementation feedback is welcome and will be used to update this suggestion
in the future.

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