Screen captures of what the data should look like before and after testing.

测试之前和之后的数据状况的屏幕截图。

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Additional capabilities provide the means of testing the pixel color of a screen coordinate or even capturing a whole area of the screen as an image buffer.

其它的功能还提供了测试一个屏幕坐标的像素颜色的方法，甚至可以将屏幕上的一整块区域作为一个图像缓冲捕捉下来。

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After testing for the value, the script prints the evaluation to the screen by modifying the DOM structure shown in Listing 2.

检测完该值后，脚本会通过修改清单2中显示的DOM结构来将这个评估结果显示在屏幕上。

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In our brief testing, the screen seemed to snap into place quickly and with ease.

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