r-value of an element 元素的R值
This topic shows how to get the shallow value of an element.
本主题说明如何获取元素的浅值。
The following example declares an extension method that retrieves the shallow value of an element.
下面的示例声明了检索元素浅值的扩展方法。
If you want the value of an element (assuming it holds textual data), you need to use the text function.
如果需要元素的值(假设元素包含文本数据),需要使用text函数。
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