; function get(){ var document_element=document.getElementsByTagName("body")[0]; alert(document_element.childNodes.length); }</script></head><body><ul></ul><h1 title="ddd">dsfsdfsdf</h1></body></html> 相关文章: 2022-12-23 2021-06-10 2022-01-02 2021-11-18 2021-11-18 2022-12-23 2022-12-23 2021-10-23