日期:2014-05-16 浏览次数:20471 次
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" > <html> <head> <meta name="description" content="this is my page"/> </head> <script> window.onload = function () { var metaEl = document.getElementsByTagName("meta"); alert(metaEl[0].name + "###" + metaEl[0].content); metaEl[0].content = "my content"; alert(metaEl[0].name + "###" + metaEl[0].content); }; </script> <body> <div style="background-color:#ff0000; width:200px;">this is some div</div> <div style="background-color:#00FF00; width:200px;">another div</div> </body> </html>