input标签的两个有用小方法(focus,select)
<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> <script> window.onload = function () { var txt = document.getElementById("txt"); var sele = document.getElementById("select"); txt.focus(); //自动获得焦点 sele.onmouseover = function () { this.select(); //选择 } } </script> </head> <body> 自动获得焦点: <input type="text" id="txt"/> 鼠标经过选择表单: <input type="text" id="select"/> </body> </html>

浙公网安备 33010602011771号