ukelli-ui/core/utils/scroll.js

Base on React's UI lib. Make frontend's dev simpler and faster.

/**
 * 获取目标元素的 scrollTop
 * 如果 body 为 overflow: hidden, 则忽略 scrollTop
 */
export function getScrollTop(elem) {
    if (!elem && getComputedStyle(document.body).overflow === 'hidden') {
        return 0;
    }
    var _elem = elem || document.documentElement;
    return _elem.scrollTop;
}
/**
 * 获取目标元素的 scrollLeft
 * 如果 body 为 overflow: hidden, 则忽略 scrollLeft
 */
export function getScrollLeft(elem) {
    if (!elem && getComputedStyle(document.body).overflow === 'hidden') {
        return 0;
    }
    var _elem = elem || document.documentElement;
    return _elem.scrollLeft;
}