The returned value can only be asynchronous.
Supports FF, ie, and opera.
DOCTYPE can be affirmed or not.
Problems:
Layers cannot be transparent in opera
Iframe in the page cannot be used.
The select statement cannot be overwritten in ie.
<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <ptml xmlns = "http://www.w3.org/1999/xhtml"> <pead> <meta http-equiv =" content-Type "content =" text/html; charset = gb2312 "/> <title> MessageBox demo _ script house _ www.jb51.net </title> </pead> <body> <table width =" 1500 "height =" 1000 "border = "1" bordercolor = "#000000"> <tr> <td> </td> <td align = "center"> normal demonstration </td> </td> </tr> <td> </td> <td align = "center"> callback demonstration 1 <label> </td> <td> </td> </tr> <td> </td> <td align = "center"> callback demonstration 2 </td> </tr> <td> </td> <td align = "center"> callback demonstration 3 </td> </tr> <tr> <td> </td> <td align = "center"> Custom demonstration </td> </tr> </table> </body> </ptml>
[Ctrl + A select all Note: If you need to introduce external Js, You need to refresh it to execute]