request.aborted
稳定性： 0 - 已弃用。请改为检查
request.destroyed。- 类型：<boolean>
request.aborted 属性将在请求被中止时为 true。
🌐 The request.aborted property will be true if the request has
been aborted.
request.destroyed。request.aborted 属性将在请求被中止时为 true。
🌐 The request.aborted property will be true if the request has
been aborted.