Full version: jsB@nk » Form » Validation » Numbers Restriction
URL: https://www.javascriptbank.com/numbers-restriction.html
Use this script to prevent users from entering characters which are not numbers.
Full version: jsB@nk » Form » Validation » Numbers Restriction
URL: https://www.javascriptbank.com/numbers-restriction.html
<script type="text/javascript"><!--// Copyright 1999 Idocs, Inc. http://www.idocs.comfunction numbersonly(myfield, e, dec) { var key; var keychar; if (window.event) key = window.event.keyCode; else if (e) key = e.which; else return true; keychar = String.fromCharCode(key); // control keys if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) ) return true; // numbers else if ((("0123456789").indexOf(keychar) > -1)) return true; // decimal point jump else if (dec && (keychar == ".")) { myfield.form.elements[dec].focus(); return false; } else return false;}//--></script><form> U.S. Zip Code: <input name="dollar" size="5" maxlength="5" onkeypress="return numbersonly(this, event)"> <input value="Submit" type="button"></form>