So the return value (sort of a misnomer, but still a useful way to think about things) for an attribute selector is a value; for an element, it's a node set (containing a single node).
因此对于属性选择器,返回值(虽然不确切但是很有用)是一个值,对于一个元素则是一个节点集(包含一个节点)。
So the return value (sort of a misnomer, but still a useful way to think about things) for an attribute selector is a value; for an element, it's a node set (containing a single node).
因此对于属性选择器,返回值(虽然不确切但是很有用)是一个值,对于一个元素则是一个节点集(包含一个节点)。
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