Web streams use a locking model to prevent multiple consumers from interleaving reads. When you call getReader(), the stream becomes locked. While locked, nothing else can read from the stream directly, pipe it, or even cancel it — only the code that is actually holding the reader can.
Plagiarism: This feature helps you detect if a text has been plagiarized by comparing it with over eight billion web pages.，更多细节参见搜狗输入法下载
，这一点在同城约会中也有详细论述
只不过，「搓擦条」的最终成品相当别扭，还要单独适配，导致开发者兴趣寥寥，用户能实际得益于触控的场景也非常有限。但如今，整块屏幕都可以触控，用户想怎么用就怎么用，反而从根本上解决了交互设计的问题——毕竟，谁不会用 iPhone 和 iPad 呢？
Compressing images，更多细节参见雷电模拟器官方版本下载