SOURCE

axios.get("/url").then((res) =>{
    console.log(res.data);
    return axios.get("/url");
}).then((res) =>{
    console.log(res.data);
})

async function getData(){
    let tea = await axios("get","url");
    let food = await axios("get","url")
}
getData();


// 0初始化 1建立 2发送 3处理 4完成 
let xhr =new XMLHttpRequest();
xhr.onreadystatechange = function(){
    console.log(xhr.readyState);
    if(xhr.readyState === 4){
        if(xhr.status === 200){
            console.log(xhr.responseText,"data")
        }else{
            console.log("fail")
        }
    }
}

xhr.open("get","url");
xhr.send();