number scroll

<script>
    document.addEventListener("DOMContentLoaded", function () {
        const SELECTORS = ["[name=sHours]"];
        let fields = [];
        SELECTORS.forEach(function (s) {
            fields = fields.concat(Array.from(document.querySelectorAll(s)));
        });
        fields.forEach(function (field) {
            field.onwheel = function (event) {
                let value = parseInt(this.value, 10);
                const delta = parseInt(this.getAttribute("value"), 10) / 2;
                if (event.deltaY > 0) value -= delta;
                else if (event.deltaY < 0) value += delta;
                if (this.hasAttribute("min")) value = Math.max(value, parseInt(this.getAttribute("min"), 10));
                if (this.hasAttribute("max")) value = Math.min(value, parseInt(this.getAttribute("max"), 10));
                this.value = value;
                event.preventDefault();
            };
        });
    });
</script>