This API is available on Firefox OS for internal applications 仅。

readOnly 只读特性在 DataStore interface returns a boolean indicating whether the current data store is read-only.

注意 : The Data Store API is available in Web 工作者 , from Firefox 32 onwards (Firefox OS 2.0; see bug 949325 )。

句法

myStoreName = store.readOnly;
					

A boolean.

范例

The following example gets all the data stores on the device called "contacts", then logs its read-only status to the console:

navigator.getDataStores('contacts').then(function(stores) {
  console.log(stores[0].readOnly);
});
					

规范

规范 状态 注释
Data Store API
The definition of 'readOnly' in that specification.
草案

The discussion concerning this API's creation happened in various Mozilla mailing lists and other places. A summary of the discussion and further pointers can be found on the Mozilla Wiki . For further feedback and questions, send mail to the dev-webapi mailing list.

浏览器兼容性

Supported in Firefox OS 1.0.1.
Available in web workers in Firefox OS 2.0.

另请参阅

元数据

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