【表单】鼠标经过时获得焦点，获得焦点时选中文本
<!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=utf-8" /> <title>无标题文档</title> </head> <body> <input type="text" value="姓名" onmouseover="this.focus()" onfocus="this.select()" /> </body> </html>
