self selects the current node
喜悦的生命需要忍耐! ... preceding Selects everything in the document that is before the start tag of the current node[选择当前节之前的所有内容] preceding-sibling Selects all siblings before the current node[选择所有当前节之前的兄] self Selects the current node[选择当前节] ...
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self selects the current node
Self选择当前节点
以上为机器翻译结果，长、整句建议使用 人工翻译 。