User agent Switcher Extension - Allows you to define user agents and switch user agents to simulate different devices.

User Agent Switcher Extension—允许您定义用户代理以及切换用户代理来模拟不同设备。

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Switch to the Extensions TAB, and click the add button to add a new extension.

切换到Extensions选项卡，并单击add按钮添加新的扩展。

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EXSLT also defines an extension instruction func: function with identical syntax to XSL: function. (If you already use func: function, you should switch over when you adopt XSLT 2.0.)

EXSLT也定义了扩展指令func： function，语法与xsl： function相同(如果使用过func： function，采用XSLT 2.0的时候应该改过来)。

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The digital switch extension, however, wouldn't be a free pass for broadcasters.

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Current customers are not required to switch to the new plans, but can choose to do so without a contract extension.

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But she noted it may be even more challenging for public school students considering a switch to private school, as counselors may not have the connections or relationships to secure an extension.

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