一种常见而有用的方法是记录击键、鼠标移动和单击，然后在应用程序中回放以确保它以预期方式执行。

One common and useful approach is recording keystrokes, mouse movements, and clicks and then playing them back to the application to ensure that it performs as expected.

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最可靠的方法是移动鼠标，单击窗口（例如，在 Google Search 框内）并发送 Ctrl+t，确保击键事件由 Firefox 处理。

Moving the mouse, clicking the window (in the Google Search box, for example), and sending the Ctrl+t is the most reliable method of ensuring that the keystrokes are processed by Firefox.

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接下来，在init方法中添加代码，将鼠标移动处理程序与事件关联起来，然后保存修改。

Next, add into the init method the code to link the mouse movement handler with the event and save all your changes. Your init method should look something like Listing 9.

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