window.open出来的子窗口关闭之后如何刷新父级窗口

function openWin(url,text,winInfo){
    var winObj = window.open(url,text,winInfo);
    var loop = setInterval(function() {
        if(winObj.closed) {
            clearInterval(loop);
            location.reload();
        }
    }, 1);
}