SOURCE

function getQueryStringArgs() {
    //删除查询字符串的问号
    let qs = (location.search.length > 0 ? location.search.substring(1) : "");

    //定义被拆解过后的对象
    args = {};
    
    name = null;
    value = null;
    item = null;

    //获取第一次拆解后的数组
    items = qs.length ? qs.split("&") : [];

    //遍历items的每一项
    for(let i = 0; i < items.length; i++) {
        item = items[i].split("=");
        name = decodeURIComponent(item[0]);
        value = decodeURIComponent(item[1]);

        if(name.length) {
            args[name] = value;
        }
    }
    return args;
}