Javascript receives querystring Parameters

Set the following CodeSave as HTML file: alixixi.htm, and then open the site:
Http: // 127.0.0.1/alixixi.htm? Log_id = 111 & cat_id = 222 & page = 333
Press enter to display the demo effect. Normally, you can receive Values Transmitted by HTML files.

<Script language = "jscript">
<! -
VaR locstringinclustring({{doc ument. Location. href );
Function getquerystring (STR ){
VaR rs = new Regexp ("(^ |)" + STR + "= ([^/&] *) (/& | $ )", "Gi" cmd.exe C (locstring), TMP;
If (TMP = RS) return TMP [2];
Return "No such parameter ";
}
Alert ("Diary No.:" + getquerystring ("log_id "));
Alert ("category No.:" + getquerystring ("cat_id "));
Alert ("Page:" + getquerystring ("page "));
-->
</SCRIPT>