XMLHttpRequest对象:
var request;
if(window.XMLHttpRequest){
request=new XMLHttpRequest();
}else{
request=new ActiveXObject("MIcrosoft.XMLHTTP");
}
var request;
if(window.XMLHttpRequest){
request=new XMLHttpRequest();
}else{
request=new ActiveXObject("MIcrosoft.XMLHTTP");
}
2016-12-21