@ssports_fe/ssutils/offset.js

前端业务代码工具库

/**
 *
 * @desc  获取一个元素的距离文档(document)的位置，类似jQ中的offset()
 * @param {HTMLElement} ele
 * @returns { {left: number, top: number} }
 */
const offset = (ele) => {
    let eleTemp = ele;
    let pos = {
        left: 0,
        top: 0
    };
    while (eleTemp) {
        pos.left += ele.offsetLeft;
        pos.top += ele.offsetTop;
        eleTemp = ele.offsetParent;
    }
    return pos;
};

module.exports = offset;