html常用标签
1 html标题 <h1> to <h6> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <h1>h1</h1> <h2>h2</h2> <h3>h3</h3> <h4>h4</h4> <h5>h5</h5> <h6>h6</h6> </body> </html> h1到h6演示代码 2 html水平线 <hr/> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <h6>h6</h6> <hr/> </body> </html> 水平线演示代码 3 html注释<!-- comment --> 注释并不会显示在网页上 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <h6>h6</h6><!-- hello world --> <hr/> </body> </html> 注释演示代码 4 html段落<p>以及段落换行<br/> <