JavaScript获得页面区域大小的代码

原文地址：http://andrewdupont.net/2006/09/09/viewport-dimensions-in-javascript/

一个JavaScript获得页面区域大小的代码，兼容性很好！

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01. var Client = {

02.      viewportWidth: function() {

03.        return self.innerWidth || (document.documentElement.clientWidth || document.body.clientWidth);

04.      },

05.   

06.      viewportHeight: function() {

07.        return self.innerHeight || (document.documentElement.clientHeight || document.body.clientHeight);

08.      },

09.   

10.      viewportSize: function() {

11.        return { width: this.viewportWidth(), height: this.viewportHeight() };

12.      }

13.     };