Limit input?

I've seen this question in several places but no satisfactory answer. What is the best way to validate the input to limit numbers of characters that may be entered?

Thanks

Sat, 09/29/2007 - 05:37

athanasiusrc

Joined: 29/09/2007

Posts: 21

Re: Limit input?

<script type="text/javascript">
<!-- Original:  Ronnie T. Moore -->
<!-- Web Site:  The JavaScript Source -->

<!-- Dynamic 'fix' by: Nannette Thacker -->
<!-- Web Site: http://www.shiningstar.net -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Begin
function textCounter(field, countfield, maxlimit) {
if (field.value.length > maxlimit) // if too long...trim it!
field.value = field.value.substring(0, maxlimit);
// otherwise, update 'characters left' counter
else 
countfield.value = maxlimit - field.value.length;
}
// End -->
</script>

<textarea cols="20" rows="1" name="personalization" wrap="hard" onKeyDown="textCounter(this.form.personalization,this.form.remLenpersonalization,20);" onKeyUp="textCounter(this.form.personalization,this.form.remLenpersonalization,20);"></textarea>
<input type="text" name="remLenpersonalization" value="20" size="3" maxlength="3" readonly="readonly">