How can I restrict input to a text-box so that it accepts only numbers and the decimal point?
<HTML> <HEAD> <SCRIPT language=Javascript> <!-- function isNumberKey(evt) { var charCode = (evt.which) ? evt.which : evt.keyCode; if (charCode != 46 && charCode > 31 && (charCode < 48 || charCode > 57)) return false; return true; } //--> </SCRIPT> </HEAD> <BODY> <INPUT id="txtChar" onkeypress="return isNumberKey(event)" type="text" name="txtChar"> </BODY> </HTML>
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