JS函数多个返回值

function getClientSize() {    var a = h = 0;    if (window.innerHeight) {        a = window.innerWidth;        h = window.innerHeight    } else {        if (document.documentElement && document.documentElement.clientHeight) {            a = document.documentElement.clientWidth;            h = document.documentElement.clientHeight        } else {            a = document.body.clientWidth;            h = document.body.clientHeight        }    }    return {        width: a,        height: h    };}var w = getClientSize().width;var h = getClientSize().height - 97;