js取得ページの高さ、幅

  var  s = "";
    s += "\r
       ："+ document.body.clientWidth;
    s += "\r
       ："+ document.body.clientHeight;
    s += "\r
       ："+ document.body.offsetWidth  +" (      )";
    s += "\r
       ："+ document.body.offsetHeight +" (      )";
    s += "\r
       ："+ document.body.scrollWidth;
    s += "\r
       ："+ document.body.scrollHeight;
    s += "\r
       ："+ document.body.scrollTop;
    s += "\r
       ："+ document.body.scrollLeft;
    s += "\r
       ："+ window.screenTop;
    s += "\r
       ："+ window.screenLeft;
    s += "\r
       ："+ window.screen.height;
    s += "\r
       ："+ window.screen.width;
    s += "\r
         ："+ window.screen.availHeight;
    s += "\r
         ："+ window.screen.availWidth;
    alert(s);

window.addEventListener("resize", function () {
//        (  /    ，  /    )
    changeLogoPosition();
}, false);