SOURCE

function getJSON(url){
    let promise=new Promise((resolve,reject)=>{
       function handler(){
            if(this.readyState!==4){
                return;
            }
            if(this.status===200){
                resolve(this.response);
            }else{
                reject(new Error(this.statusText));
            }
        }
        let xhr=new XMLHttpRequest();
        xhr.open('GET',url);
        xhr.send();
        xhr.onreadystatechange=handler;
    })
    return promise;
}

getJSON("https://h5.heniw.com/hntv_vote/user/login?name=%E5%90%B4%E5%A4%A7%E5%A4%A7&mobile=13548613745").then(function(data){
    console.log(data,1);
}).catch(function(res){
    console.log(res);
})