Only numbers can be entered for jquery form verification,

<SCRIPT type = "text/JavaScript">
$ (Document). Ready (function (){
/// Only numbers can be entered in the verification text box
$ ("# Txtisshowonhomeordernum, # txtisshowoncommonlistordernum"). Live ("Blur", function (){
VaR $ val = $ (this). Val ();
VaR code;
// Charat () gets the character string at the specified position. charcodeat () returns the encoding of the character string.
// The ASCII value of 0 is 48, and the ASCII value of 9 is 57.
For (VAR I = 0; I <$ Val. length; I ++ ){
VaR code = $ Val. charat (I). charcodeat (0 );
If (Code <48 | code> 57 ){
$ (This) [0]. Focus ();
$ (This). Val ("");
Alert ("enter a number! ");
Break;
}
}
});
});
</SCRIPT>