a label: jump anchor (inline tag) Jump: <body> <a href= "http://www.baidu.com" target= "_blank"> Baidu </a> _blank is a new window opened, further other attributes </ body> simple example anchor: Id tag can not be repeated <DOCTYPE HTML!> <HTML lang = " EN " > <head> <Meta charset = " UTF-. 8 " > <title> the title </ title> </ head> <body> <a href= "#i1"> Chapter </a> <A the href = "I2 # " > Chapter </a> <A the href = " i3 # " > Chapter </a> <-! # add meaning and id id to i3 label binding and can jump to the appropriate tab -> <a href=" #i4 "> fourth Cap </a> <div ID = " I1 " style = " height: 600px; " > chapter 1 </ div> <div ID = " I2 " style = " height: 600px; " > second chapter < / div> <div the above mentioned id = " i3 " style = " height: 600px; " > Chapter III </ div> <!- binding targets for achieving the purpose of providing id jump -> <div id = " I4 " style =" Height: 600px; " > The fourth chapter contents </ div> </ body>