LoRz

Saturday, February 14, 2009

 

Prevent non numeric values in textbox using Javascript



<script type="text/javascript">
// verifies only a number was typed into the form element
function numbersonly(e){
var unicode=e.charCode? e.charCode : e.keyCode
// if (unicode!=8||unicode!=9)
if (unicode<8||unicode>9)
{

if (unicode<48||unicode>57) //if not a number
return false //disable key press
}
}
</script>

<input name="name" type="text" onkeypress="return numbersonly(event);" />





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