For example, functional testing of a command button can include testing what happens when the button is pushed as well as testing its size, location, and color.

比如，一个命令按钮的功能测试既包括了对按下按钮时的动作的测试，也包括了对按钮的大小，位置和颜色的测试。

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Google is currently testing out a new user interface design in Finland and the button is conspicuous by its absence.

谷歌芬兰站点近日在试验一个全新的用户界面样式，很明显这个按钮不见了。

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Test button: used for testing the application in "unplugged" mode (UIButton class).

Test按钮：用于在“为插接”模式下测试应用程序(uibutton类)。

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This can be as simple as testing different colors of a button on the same page and noting which color drives the most conversions.

FORBES: Want Results? Become Obsessed With Data

Right behind them on the grid are the two drivers who looked strongest in pre-season testing - Honda's Jenson Button and world champion Fernando Alonso of Renault.

BBC: SPORT | Motorsport | Formula One | Bahrain Grand Prix as it happened

The moShare button has already done well in beta testing.

FORBES: MoShare Lets You Share Web Content To Any Phone