virtual-scroll/src/support.js

Custom scroll events for smooth, fake scroll

export function getSupport() {
    return {
        hasWheelEvent: 'onwheel' in document,
        hasMouseWheelEvent: 'onmousewheel' in document,
        hasTouch: 'ontouchstart' in document,
        hasTouchWin: navigator.msMaxTouchPoints && navigator.msMaxTouchPoints > 1,
        hasPointer: !!window.navigator.msPointerEnabled,
        hasKeyDown: 'onkeydown' in document,
        isFirefox: navigator.userAgent.indexOf('Firefox') > -1,
    }
}