js获取div的坐标长高



js获取div的坐标.html中最常使用的控件就是div了,那么如何获取div的坐标呢?

如何方法可以实现.

Js代码  收藏代码
  1. /***
  2. * 获取div的坐标
  3. * @param divObj
  4. * @returns {{width: number, height: number, left: *, top: Window}}
  5. */
  6. com.whuang.hsj.divCoordinate=function(divObj){
  7.     if(typeof divObj == ‘string’){
  8.         divObj=com.whuang.hsj.$$id(‘divObj’);
  9.     }
  10.     return {‘width’:divObj.offsetWidth,’height’:divObj.offsetHeight,
  11.         ‘x’:divObj.offsetLeft,’y':divObj.offsetTop,
  12.         ‘scrollLeft’:com.whuang.hsj.getScroll().left,’scrollTop’:com.whuang.hsj.getScroll().top};
  13. }
  14. // Cross browser gets the position of scroll
  15. com.whuang.hsj.getScroll=function(){
  16.     return {
  17.         top:document.documentElement.scrollTop || document.body.scrollTop,
  18.         left:document.documentElement.scrollLeft || document.body.scrollLeft
  19.     }
  20. }

com.whuang.hsj.divCoordinate()方法介绍

功能:返回div坐标;

参数:div对象或div的id(字符串);

返回值:对象,有六个属性:

width:div自身的宽度;

height:div自身的高度;


x:div左上角的坐标x;

y:div左上角的坐标y;

scrollLeft:水平滚动条的位置

scrollTop:竖直滚动条的位置

测试页面:

Html代码  收藏代码
  1. <html>
  2. <head lang=”en”>
  3.     <meta charset=”UTF-8″>
  4.     <title></title>
  5.     <script type=”text/javascript” src=”js/jquery-1.10.1.js”></script>
  6.     <script type=”text/javascript” src=”js/common_util.js”></script>
  7.     <script type=”text/javascript”>
  11.     function run(){
  12.             var loc=com.whuang.hsj.divCoordinate(‘divObj’);
  13. //            document.writeln();
  14.             com.whuang.hsj.$$id(‘text22′).innerHTML=”width:”+loc.width+” &nbsp; , &nbsp; height:”+loc.height+” &nbsp;, &nbsp;scrollTop:”+loc.scrollTop+” &nbsp;, &nbsp;scrollLeft:”+loc.scrollLeft+” &nbsp;,&nbsp;x:”+loc.x+” &nbsp;,&nbsp; y:”+loc.y;
  15.         }
  16.     </script>
  17. </head>
  18. <body>
  20. <div style=”width: 599px;height: 499px;background-color: mediumvioletred;” id=”divObj”  >
  22. </div>
  23. <br>
  24. <input type=”button” value=”run” onclick=”run();” >
  25. <div  id=”text22″ style=”width: 400px;” >
  26.     </div>
  27. </body>
  28. </html>

运行结果:

参考:

http://hw1287789687.iteye.com/admin/blogs/2156296

http://hw1287789687.iteye.com/admin/blogs/2155772