在数字输入中按backspace键时避免历史回溯

Posted 2021-02-23

Avoid history back when is pressed backspace key in number imput

$('input[type=number]').on('keydown', function(e) {
    var key = e.which || e.keyCode || e.charCode;
    if (key === 8) {
        var s = $(this).val();
        s = s.substring(0, s.length - 1);
        $(this).val(s);
        return false;
    }
});