本文為大家介紹下使用setTimeout自動觸發一個js，具體實現如下，喜歡的朋友可以學習下
代碼如下: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>timeout</title> </head> <body onload="countSecond()"> <input type="text" id="time" style="border:0px;" size="1px"> </body> </html> <script> x = 0 function countSecond() { x = x+1 document.getElementById("time").value=x; setTimeout("countSecond()", 1000) } </script>