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document.documentElement的一些使用技巧_javascript技巧
- WBOYOriginal
- 2016-05-16 17:36:131185browse
复制代码 代码如下:
--documentElement 属性可返回文档的根节点。
//body如果和div之间有空格，或者每个层之间有空格，会影响获取结果
第一层
第二层
第三层
第四层
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