JavaScript获取单元格自定义属性值：兼容IE与Firefox的实现

// 获取单元格自定义属性值的JavaScript实现，区分IE和Firefox浏览器
result += "<Item>";
var isIE = document.all ? true : false;
if (isIE) // IE浏览器处理逻辑
{ 
for (var i = 0; i < obj.cells.length; i++)
result += "<" + obj.cells[i].fieldname + "><![CDATA[" + $(obj.cells[i]).text() + "]]></" + obj.cells[i].fieldname + ">";
} 
else { // Firefox浏览器处理逻辑
for (var i = 0; i < obj.cells.length; i++)
result += "<" + $(obj.cells[i]).get(0).attributes[0].nodeValue + "><![CDATA[" + $(obj.cells[i]).text() + "]]></" + $(obj.cells[i]).get(0).attributes[0].nodeValue + ">";
} 
result += "</Item>";