https://blog.csdn.net/wopelo/article/details/79802585

原生xhr

var native = new XMLHttpRequest();
native.open("GET","https://api.github.com/");
native.send();
native.onreadystatechange=function(){
if(native.readyState==4&&native.status==200){
console.log(native.response);
}else{
console.log(native.status);
}
}
native.abort();