How to validate the value that user enter (only number)?

[Alzayed]

i need to accept form only if the enter value is numeric ,
and if not ,some alert display to the user ...

any idea ?

Thanks.
Alzayed [sig][/sig]

 

[rbobbitt]

Here's a way to do it:

<script language=&quot;javascript&quot;>
<!--
function validate(txtbox)
{
if (isNaN(txtbox.value) || txtbox.value==&quot;&quot {
alert(&quot;Invalid Entry!&quot;
txtbox.focus();
} else {
alert(&quot;Do whatever you would do for a proper entry!&quot;
}

}
//-->
</script>
<form>
<input type=&quot;text&quot; name=&quot;entry&quot;>
<input type=&quot;button&quot; onClick=&quot;validate(this.form.entry);&quot;>
</form>

Regards [sig]<p>Russ<br><a href=mailto:bobbitts@hotmail.com>bobbitts@hotmail.com</a><br><a href=

http://home.earthlink.net/~bobbitts>Bobbitt

is in</a><br>[/sig]

 

[NickBulka]

Do you mean numbers or digits? All of the following are numbers:

6
98.6
-222
0.9


[sig]<p>nick bulka<br><a href=mailto: > </a><br><a href=

http://www.bulka.com>

</a><br>Get your technical books at Bulka's Books<br>

http://www.vstorebooks.com/bulkasbooks

[/sig]

 

[Alzayed]

Thanks Russ, your script solved my the problem!
and thanks nick bulka.


Alzayed.

[sig][/sig]