如果你拥有一个好的演讲的这些元素，你的演讲就有一半了。

If you have the elements of a good speech, your delivery is halfway there.

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清单14中的示例展示了一个名为的元素，它拥有一个通配符，从属元素或属性将在这个通配符中声明。

The example in Listing 14 shows an element named that has a wildcard where subordinate elements or attributes would be declared.

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每个输入元素拥有一个validity属性。

Each of the input elements has a validity property.

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