Don't allow typing alphabetic characters in a <input type=number />

Question

I need to have a textbox, where, whenever typed inside should ONLY allow numbers [0-9]. I\'ve used type=\"number\" which definitely holds the client side valida

Answer 1

input type="number" for getting Numeric Keyboard on Mobile Device

Java-Script

function numbersonly(myfield, e)
        {
            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;

            // only one decimal point
            else if ((keychar == "."))
            {
                if (myfield.value.indexOf(keychar) > -1)
                    return false;
            }
            else
                return false;
        }

Html