标签：mic nbsp active ret div fine object null pre
function getXHR() { // 该方法用于获取Ajax通信对象 var xhr = null; if (window.XMLHttpRequest != null && window.XMLHttpRequest != undefined) { xhr = new XMLHttpRequest(); } else { / 兼容早期的IE浏览器 xhr = new ActiveXObject("Microsoft.XMLHTTP"); } return xhr; }
标签：mic nbsp active ret div fine object null pre
原文地址：http://www.cnblogs.com/gp112/p/6869578.html
