@ssports_fe/ssutils/getScrollPos.js

前端业务代码工具库

/**
 *
 * @desc  获取窗口滚动坐标
 * @param 窗口window对象，当前窗口或iframe父级窗口
 * @return { Object } x: 横坐标, y: 纵坐标
 */
const getScrollPos = win => {
    let supportPageOffset = win.pageXOffset !== 'undefined';
    let isCSS1Compat = ((win.document.compatMode || '') === 'CSS1Compat');

    let x = supportPageOffset ? win.pageXOffset : isCSS1Compat ? win.document.documentElement.scrollLeft : win.document.body.scrollLeft;
    let y = supportPageOffset ? win.pageYOffset : isCSS1Compat ? win.document.documentElement.scrollTop : win.document.body.scrollTop;
    return {
        X: x,
        Y: y
    };
};

module.exports = getScrollPos;