表单自动获得焦点案例
<!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" xml:lang="en"> <head> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> <title>Document</title> <script> window.onload=function(){ var txt=document.getElementById("txt"); txt.focus(); //表单自动获得焦点的方法 } </script> </head> <body> <input type="text" id="txt"/> </body> </html>