<p id="demo">单击按钮来显示这个窗口的高度和宽度(包括工具栏和滚动条)。</p>

<button onclick="myFunction()">点我</button>

<script>

function myFunction(){

    var w=window.outerWidth;

    var h=window.outerHeight;

    x=document.getElementById("demo");

    x.innerHTML="Width: " + w + " Heigth: " + h;

}

</script>

​