!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> </style> <Script> the setInterval ( "goto_baidu ()", 1000); // beginning requires only one second stop execution of the function, one second to perform a function var t =. 5; // define the time t is equal to 5 seconds; function goto_baidu () { IF (T == 0 ) { location.href="http://www.baidu.com" ; } document.getElementById("show").innerHTML=t; T -; // perform a time minus a } </ Script> <body> <! - In order to solve the bug on the second timer, as defined above, t is 5 seconds, but setInterval ( "goto_baidu ()", 1000) was performed to wait for one second, so the label 6 there is provided the more coherent web - -> <Label> well </ label> <span id = "show"> 6 </ span> <label> seconds, jump to Baidu! </ Label> </body> </html>