SharePoint number
column should accept only numbers
Solution:
<script type="text/javascript">
       
$(document).ready(function () {
           
$('input[Title="ColumnName"]').keydown(function (e) {
                var
keyCode = e.which; // Capture the event
                //190
is the key code of decimal if you dont want decimals remove this condition
keyCode != 190
                if
(keyCode != 8 && keyCode != 9 && keyCode != 13 &&
keyCode != 37 && keyCode != 38 && keyCode != 39 &&
keyCode != 40 && keyCode != 46 && keyCode != 110 &&
keyCode != 190) {
                    if
(keyCode < 48) {
                       
e.preventDefault();
                    }
                   
else if (keyCode > 57 && keyCode < 96) {
                       
e.preventDefault();
                    }
                   
else if (keyCode > 105) { 
                       
e.preventDefault();
                    }
                }
            });
        });
</script>






