摘要:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title id="tit">node</title> </head> <body id="b"> <!-- title的子节点为文本节点:Node h1和p为同胞 --> <h1 id="h 阅读全文
摘要:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <p id="p1">here</p> <div id="div1"> <p id="p2"> div+p+bubbing; </p 阅读全文